Attachment 599114 Details for Bug 841544 – out put of "tcpdump -i eth0 -vvv -s 1500 '(port 67 or port 68) and (udp[38:4]=0x7d1c32a0)' " on host

out put of "tcpdump -i eth0 -vvv -s 1500 '(port 67 or port 68) and (udp[38:4]=0x7d1c32a0)' " on host

tcpdump.log (text/x-log), 38.98 KB, created by Xu Tian on 2012-07-19 11:05:36 UTC

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Description:

Filename:

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Creator: Xu Tian

Created: 2012-07-19 11:05:36 UTC

Size: 38.98 KB

patch

obsolete

>[root@intel-8500-4-2 ~]# tcpdump -i eth0  -vvv -s 1500 '(port 67 or port 68) and (udp[38:4]=0x7d1c32a0)'
>tcpdump: WARNING: eth0: no IPv4 address assigned
>tcpdump: listening on eth0, link-type EN10MB (Ethernet), capture size 1500 bytes
>17:20:17.891185 IP (tos 0x0, ttl 128, id 44, offset 0, flags [none], proto UDP (17), length 348)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 555f!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 320, xid 0x6752c876, secs 2816, Flags [Broadcast] (0x8000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Request
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    FQDN Option 81, length 18: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:20:17.975980 IP (tos 0x0, ttl 255, id 20187, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > 255.255.255.255.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x6752c876, secs 2816, Flags [Broadcast] (0x8000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: ACK
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:20:43.032785 IP (tos 0x0, ttl 128, id 55, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 5fb2!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x7abd3d8c, Flags [none] (0x0000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:20:43.034466 IP (tos 0x0, ttl 255, id 20189, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x7abd3d8c, Flags [none] (0x0000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:20:47.031477 IP (tos 0x0, ttl 128, id 56, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 5fae!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x7abd3d8c, secs 1024, Flags [none] (0x0000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:20:47.035104 IP (tos 0x0, ttl 255, id 20195, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x7abd3d8c, secs 1024, Flags [none] (0x0000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:20:56.031479 IP (tos 0x0, ttl 128, id 57, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 5fa5!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x7abd3d8c, secs 3328, Flags [none] (0x0000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:20:56.033412 IP (tos 0x0, ttl 255, id 20209, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x7abd3d8c, secs 3328, Flags [none] (0x0000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:21:12.092925 IP (tos 0x0, ttl 128, id 58, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 5f95!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x7abd3d8c, secs 7424, Flags [none] (0x0000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:21:12.094880 IP (tos 0x0, ttl 255, id 20211, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x7abd3d8c, secs 7424, Flags [none] (0x0000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:21:44.078606 IP (tos 0x0, ttl 128, id 59, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 1426!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x27359d5f, Flags [Broadcast] (0x8000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:21:44.080382 IP (tos 0x0, ttl 255, id 20213, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > 255.255.255.255.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x27359d5f, Flags [Broadcast] (0x8000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:21:46.922304 IP (tos 0x0, ttl 128, id 61, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 1423!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x27359d5f, secs 768, Flags [Broadcast] (0x8000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:21:46.928306 IP (tos 0x0, ttl 255, id 20215, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > 255.255.255.255.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x27359d5f, secs 768, Flags [Broadcast] (0x8000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:21:55.922154 IP (tos 0x0, ttl 128, id 62, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 141a!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x27359d5f, secs 3072, Flags [Broadcast] (0x8000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:21:55.923723 IP (tos 0x0, ttl 255, id 20223, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > 255.255.255.255.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x27359d5f, secs 3072, Flags [Broadcast] (0x8000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:22:09.335691 IP (tos 0x0, ttl 128, id 63, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 2a5f!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x514eba30, Flags [none] (0x0000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:22:09.337475 IP (tos 0x0, ttl 255, id 20231, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x514eba30, Flags [none] (0x0000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:22:12.328339 IP (tos 0x0, ttl 128, id 64, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 2a5c!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x514eba30, secs 768, Flags [none] (0x0000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:22:12.329903 IP (tos 0x0, ttl 255, id 20235, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x514eba30, secs 768, Flags [none] (0x0000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:22:20.328567 IP (tos 0x0, ttl 128, id 65, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 2a54!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x514eba30, secs 2816, Flags [none] (0x0000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:22:20.330113 IP (tos 0x0, ttl 255, id 20239, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x514eba30, secs 2816, Flags [none] (0x0000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:22:35.328386 IP (tos 0x0, ttl 128, id 66, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 2a45!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x514eba30, secs 6656, Flags [none] (0x0000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:22:35.331461 IP (tos 0x0, ttl 255, id 20245, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x514eba30, secs 6656, Flags [none] (0x0000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:23:08.328636 IP (tos 0x0, ttl 128, id 67, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum c635!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x5086645c, Flags [Broadcast] (0x8000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:23:08.330258 IP (tos 0x0, ttl 255, id 20265, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > 255.255.255.255.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x5086645c, Flags [Broadcast] (0x8000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:23:12.328336 IP (tos 0x0, ttl 128, id 68, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum c631!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x5086645c, secs 1024, Flags [Broadcast] (0x8000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:23:12.329966 IP (tos 0x0, ttl 255, id 20269, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > 255.255.255.255.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x5086645c, secs 1024, Flags [Broadcast] (0x8000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:23:20.328366 IP (tos 0x0, ttl 128, id 69, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum c629!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x5086645c, secs 3072, Flags [Broadcast] (0x8000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:23:20.330061 IP (tos 0x0, ttl 255, id 20271, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > 255.255.255.255.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x5086645c, secs 3072, Flags [Broadcast] (0x8000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:23:36.328569 IP (tos 0x0, ttl 128, id 70, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum c619!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x5086645c, secs 7168, Flags [Broadcast] (0x8000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:23:36.330215 IP (tos 0x0, ttl 255, id 20279, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > 255.255.255.255.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x5086645c, secs 7168, Flags [Broadcast] (0x8000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:23:48.532668 IP (tos 0x0, ttl 128, id 0, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 61d!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x75df6786, Flags [none] (0x0000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>	    PAD Option 0, length 0, occurs 6
>17:23:48.534503 IP (tos 0x0, ttl 255, id 20291, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x75df6786, Flags [none] (0x0000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:23:48.553926 IP (tos 0x0, ttl 128, id 1, offset 0, flags [none], proto UDP (17), length 328)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 36af!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0x800fcb25, Flags [none] (0x0000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Discover
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>	    PAD Option 0, length 0, occurs 6
>17:23:48.555265 IP (tos 0x0, ttl 255, id 20293, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x800fcb25, Flags [none] (0x0000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Offer
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:23:48.555765 IP (tos 0x0, ttl 128, id 2, offset 0, flags [none], proto UDP (17), length 354)
>    0.0.0.0.bootpc > 255.255.255.255.bootps: [bad udp cksum 2240!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 326, xid 0x800fcb25, Flags [none] (0x0000)
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Request
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Requested-IP Option 50, length 4: dhcp-66-83-124.nay.redhat.com
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    FQDN Option 81, length 18: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 12: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	    END Option 255, length 0
>17:23:48.606737 IP (tos 0x0, ttl 255, id 20295, offset 0, flags [none], proto UDP (17), length 333)
>    corerouter.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 305, hops 1, xid 0x800fcb25, Flags [none] (0x0000)
>	  Your-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: ACK
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Lease-Time Option 51, length 4: 14400
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>17:23:53.050601 IP (tos 0x0, ttl 128, id 45, offset 0, flags [none], proto UDP (17), length 328)
>    dhcp-66-83-124.nay.redhat.com.bootpc > 255.255.255.255.bootps: [bad udp cksum a567!] BOOTP/DHCP, Request from 9a:6a:7d:1c:32:a0 (oui Unknown), length 300, xid 0xa174d118, Flags [none] (0x0000)
>	  Client-IP dhcp-66-83-124.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: Inform
>	    Client-ID Option 61, length 7: ether 9a:6a:7d:1c:32:a0
>	    Hostname Option 12, length 15: "AUTOTES-1OICNS6"
>	    Vendor-Class Option 60, length 8: "MSFT 5.0"
>	    Parameter-Request Option 55, length 13: 
>	      Subnet-Mask, Domain-Name, Default-Gateway, Domain-Name-Server
>	      Netbios-Name-Server, Netbios-Node, Netbios-Scope, Router-Discovery
>	      Static-Route, Classless-Static-Route, Classless-Static-Route-Microsoft, Vendor-Option
>	      Option 252
>	    END Option 255, length 0
>	    PAD Option 0, length 0, occurs 5
>17:23:53.051761 IP (tos 0x0, ttl 63, id 0, offset 0, flags [DF], proto UDP (17), length 328)
>    ns1.eng.nay.redhat.com.bootps > dhcp-66-83-124.nay.redhat.com.bootpc: [udp sum ok] BOOTP/DHCP, Reply, length 300, hops 1, xid 0xa174d118, Flags [none] (0x0000)
>	  Client-IP dhcp-66-83-124.nay.redhat.com
>	  Server-IP pxe.englab.nay.redhat.com
>	  Gateway-IP corerouter.nay.redhat.com
>	  Client-Ethernet-Address 9a:6a:7d:1c:32:a0 (oui Unknown)
>	  file "pxelinux.0"
>	  Vendor-rfc1048 Extensions
>	    Magic Cookie 0x63825363
>	    DHCP-Message Option 53, length 1: ACK
>	    Server-ID Option 54, length 4: ns1.eng.nay.redhat.com
>	    Subnet-Mask Option 1, length 4: 255.255.254.0
>	    Domain-Name Option 15, length 21: "englab.nay.redhat.com"
>	    Default-Gateway Option 3, length 4: corerouter.nay.redhat.com
>	    Domain-Name-Server Option 6, length 12: ns1.pek.redhat.com,ns1.nay.redhat.com,ns1.rdu.redhat.com
>	    END Option 255, length 0
>	    PAD Option 0, length 0
>

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Attachments on bug 841544: 599114 | 599937 | 599938 | 599941