Attachment 311486 Details for Bug 454206 – wireshark capture showing "5 second" 'getent ahosts mirrors.fedoraproject.org'

wireshark capture showing "5 second" 'getent ahosts mirrors.fedoraproject.org'

getent-wireshark-bad.txt (text/plain), 15.99 KB, created by Tom London on 2008-07-10 14:55:21 UTC

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Creator: Tom London

Created: 2008-07-10 14:55:21 UTC

Size: 15.99 KB

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obsolete

>No.     Time        Source                Destination           Protocol Info
>      1 0.000000    192.168.1.101         68.87.76.178          DNS      Standard query A mirrors.fedoraproject.org
>
>Frame 1 (85 bytes on wire, 85 bytes captured)
>    Arrival Time: Jul 10, 2008 07:16:57.819186000
>    [Time delta from previous captured frame: 0.000000000 seconds]
>    [Time delta from previous displayed frame: 0.000000000 seconds]
>    [Time since reference or first frame: 0.000000000 seconds]
>    Frame Number: 1
>    Frame Length: 85 bytes
>    Capture Length: 85 bytes
>    [Frame is marked: False]
>    [Protocols in frame: eth:ip:udp:dns]
>    [Coloring Rule Name: Checksum Errors]
>    [Coloring Rule String: cdp.checksum_bad==1 || edp.checksum_bad==1 || ip.checksum_bad==1 || tcp.checksum_bad==1 || udp.checksum_bad==1]
>Ethernet II, Src: Wistron_26:85:6f (00:16:d3:26:85:6f), Dst: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>    Destination: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        Address: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
>        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
>    Source: Wistron_26:85:6f (00:16:d3:26:85:6f)
>        Address: Wistron_26:85:6f (00:16:d3:26:85:6f)
>        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
>        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
>    Type: IP (0x0800)
>Internet Protocol, Src: 192.168.1.101 (192.168.1.101), Dst: 68.87.76.178 (68.87.76.178)
>    Version: 4
>    Header length: 20 bytes
>    Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)
>        0000 00.. = Differentiated Services Codepoint: Default (0x00)
>        .... ..0. = ECN-Capable Transport (ECT): 0
>        .... ...0 = ECN-CE: 0
>    Total Length: 71
>    Identification: 0xe265 (57957)
>    Flags: 0x04 (Don't Fragment)
>        0... = Reserved bit: Not set
>        .1.. = Don't fragment: Set
>        ..0. = More fragments: Not set
>    Fragment offset: 0
>    Time to live: 64
>    Protocol: UDP (0x11)
>    Header checksum: 0x052a [correct]
>        [Good: True]
>        [Bad : False]
>    Source: 192.168.1.101 (192.168.1.101)
>    Destination: 68.87.76.178 (68.87.76.178)
>User Datagram Protocol, Src Port: 39429 (39429), Dst Port: domain (53)
>    Source port: 39429 (39429)
>    Destination port: domain (53)
>    Length: 51
>    Checksum: 0x535b [incorrect, should be 0xcf4e (maybe caused by "UDP checksum offload"?)]
>        [Good Checksum: False]
>        [Bad Checksum: True]
>Domain Name System (query)
>    [Response In: 3]
>    Transaction ID: 0xf057
>    Flags: 0x0100 (Standard query)
>        0... .... .... .... = Response: Message is a query
>        .000 0... .... .... = Opcode: Standard query (0)
>        .... ..0. .... .... = Truncated: Message is not truncated
>        .... ...1 .... .... = Recursion desired: Do query recursively
>        .... .... .0.. .... = Z: reserved (0)
>        .... .... ...0 .... = Non-authenticated data OK: Non-authenticated data is unacceptable
>    Questions: 1
>    Answer RRs: 0
>    Authority RRs: 0
>    Additional RRs: 0
>    Queries
>        mirrors.fedoraproject.org: type A, class IN
>            Name: mirrors.fedoraproject.org
>            Type: A (Host address)
>            Class: IN (0x0001)
>
>No.     Time        Source                Destination           Protocol Info
>      2 0.001630    192.168.1.101         68.87.76.178          DNS      Standard query AAAA mirrors.fedoraproject.org
>
>Frame 2 (85 bytes on wire, 85 bytes captured)
>    Arrival Time: Jul 10, 2008 07:16:57.820816000
>    [Time delta from previous captured frame: 0.001630000 seconds]
>    [Time delta from previous displayed frame: 0.001630000 seconds]
>    [Time since reference or first frame: 0.001630000 seconds]
>    Frame Number: 2
>    Frame Length: 85 bytes
>    Capture Length: 85 bytes
>    [Frame is marked: False]
>    [Protocols in frame: eth:ip:udp:dns]
>    [Coloring Rule Name: Checksum Errors]
>    [Coloring Rule String: cdp.checksum_bad==1 || edp.checksum_bad==1 || ip.checksum_bad==1 || tcp.checksum_bad==1 || udp.checksum_bad==1]
>Ethernet II, Src: Wistron_26:85:6f (00:16:d3:26:85:6f), Dst: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>    Destination: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        Address: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
>        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
>    Source: Wistron_26:85:6f (00:16:d3:26:85:6f)
>        Address: Wistron_26:85:6f (00:16:d3:26:85:6f)
>        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
>        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
>    Type: IP (0x0800)
>Internet Protocol, Src: 192.168.1.101 (192.168.1.101), Dst: 68.87.76.178 (68.87.76.178)
>    Version: 4
>    Header length: 20 bytes
>    Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)
>        0000 00.. = Differentiated Services Codepoint: Default (0x00)
>        .... ..0. = ECN-Capable Transport (ECT): 0
>        .... ...0 = ECN-CE: 0
>    Total Length: 71
>    Identification: 0xe266 (57958)
>    Flags: 0x04 (Don't Fragment)
>        0... = Reserved bit: Not set
>        .1.. = Don't fragment: Set
>        ..0. = More fragments: Not set
>    Fragment offset: 0
>    Time to live: 64
>    Protocol: UDP (0x11)
>    Header checksum: 0x0529 [correct]
>        [Good: True]
>        [Bad : False]
>    Source: 192.168.1.101 (192.168.1.101)
>    Destination: 68.87.76.178 (68.87.76.178)
>User Datagram Protocol, Src Port: 39429 (39429), Dst Port: domain (53)
>    Source port: 39429 (39429)
>    Destination port: domain (53)
>    Length: 51
>    Checksum: 0x535b [incorrect, should be 0x4bc1 (maybe caused by "UDP checksum offload"?)]
>        [Good Checksum: False]
>        [Bad Checksum: True]
>Domain Name System (query)
>    Transaction ID: 0x58e5
>    Flags: 0x0100 (Standard query)
>        0... .... .... .... = Response: Message is a query
>        .000 0... .... .... = Opcode: Standard query (0)
>        .... ..0. .... .... = Truncated: Message is not truncated
>        .... ...1 .... .... = Recursion desired: Do query recursively
>        .... .... .0.. .... = Z: reserved (0)
>        .... .... ...0 .... = Non-authenticated data OK: Non-authenticated data is unacceptable
>    Questions: 1
>    Answer RRs: 0
>    Authority RRs: 0
>    Additional RRs: 0
>    Queries
>        mirrors.fedoraproject.org: type AAAA, class IN
>            Name: mirrors.fedoraproject.org
>            Type: AAAA (IPv6 address)
>            Class: IN (0x0001)
>
>No.     Time        Source                Destination           Protocol Info
>      3 0.085070    68.87.76.178          192.168.1.101         DNS      Standard query response CNAME fedoraproject.org A 66.35.62.162 A 209.132.176.122
>
>Frame 3 (131 bytes on wire, 131 bytes captured)
>    Arrival Time: Jul 10, 2008 07:16:57.904256000
>    [Time delta from previous captured frame: 0.083440000 seconds]
>    [Time delta from previous displayed frame: 0.083440000 seconds]
>    [Time since reference or first frame: 0.085070000 seconds]
>    Frame Number: 3
>    Frame Length: 131 bytes
>    Capture Length: 131 bytes
>    [Frame is marked: False]
>    [Protocols in frame: eth:ip:udp:dns]
>    [Coloring Rule Name: UDP]
>    [Coloring Rule String: udp]
>Ethernet II, Src: Cisco-Li_46:42:4f (00:12:17:46:42:4f), Dst: Wistron_26:85:6f (00:16:d3:26:85:6f)
>    Destination: Wistron_26:85:6f (00:16:d3:26:85:6f)
>        Address: Wistron_26:85:6f (00:16:d3:26:85:6f)
>        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
>        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
>    Source: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        Address: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
>        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
>    Type: IP (0x0800)
>Internet Protocol, Src: 68.87.76.178 (68.87.76.178), Dst: 192.168.1.101 (192.168.1.101)
>    Version: 4
>    Header length: 20 bytes
>    Differentiated Services Field: 0x00 (DSCP 0x00: Default; ECN: 0x00)
>        0000 00.. = Differentiated Services Codepoint: Default (0x00)
>        .... ..0. = ECN-Capable Transport (ECT): 0
>        .... ...0 = ECN-CE: 0
>    Total Length: 117
>    Identification: 0x0000 (0)
>    Flags: 0x04 (Don't Fragment)
>        0... = Reserved bit: Not set
>        .1.. = Don't fragment: Set
>        ..0. = More fragments: Not set
>    Fragment offset: 0
>    Time to live: 58
>    Protocol: UDP (0x11)
>    Header checksum: 0xed61 [correct]
>        [Good: True]
>        [Bad : False]
>    Source: 68.87.76.178 (68.87.76.178)
>    Destination: 192.168.1.101 (192.168.1.101)
>User Datagram Protocol, Src Port: domain (53), Dst Port: 39429 (39429)
>    Source port: domain (53)
>    Destination port: 39429 (39429)
>    Length: 97
>    Checksum: 0xa25d [correct]
>        [Good Checksum: True]
>        [Bad Checksum: False]
>Domain Name System (response)
>    [Request In: 1]
>    [Time: 0.085070000 seconds]
>    Transaction ID: 0xf057
>    Flags: 0x8180 (Standard query response, No error)
>        1... .... .... .... = Response: Message is a response
>        .000 0... .... .... = Opcode: Standard query (0)
>        .... .0.. .... .... = Authoritative: Server is not an authority for domain
>        .... ..0. .... .... = Truncated: Message is not truncated
>        .... ...1 .... .... = Recursion desired: Do query recursively
>        .... .... 1... .... = Recursion available: Server can do recursive queries
>        .... .... .0.. .... = Z: reserved (0)
>        .... .... ..0. .... = Answer authenticated: Answer/authority portion was not authenticated by the server
>        .... .... .... 0000 = Reply code: No error (0)
>    Questions: 1
>    Answer RRs: 3
>    Authority RRs: 0
>    Additional RRs: 0
>    Queries
>        mirrors.fedoraproject.org: type A, class IN
>            Name: mirrors.fedoraproject.org
>            Type: A (Host address)
>            Class: IN (0x0001)
>    Answers
>        mirrors.fedoraproject.org: type CNAME, class IN, cname fedoraproject.org
>            Name: mirrors.fedoraproject.org
>            Type: CNAME (Canonical name for an alias)
>            Class: IN (0x0001)
>            Time to live: 1 hour
>            Data length: 2
>            Primary name: fedoraproject.org
>        fedoraproject.org: type A, class IN, addr 66.35.62.162
>            Name: fedoraproject.org
>            Type: A (Host address)
>            Class: IN (0x0001)
>            Time to live: 1 minute
>            Data length: 4
>            Addr: 66.35.62.162
>        fedoraproject.org: type A, class IN, addr 209.132.176.122
>            Name: fedoraproject.org
>            Type: A (Host address)
>            Class: IN (0x0001)
>            Time to live: 1 minute
>            Data length: 4
>            Addr: 209.132.176.122
>
>No.     Time        Source                Destination           Protocol Info
>      4 0.792308    Wistron_26:85:6f      Cisco-Li_46:42:4f     ARP      Who has 192.168.1.1?  Tell 192.168.1.101
>
>Frame 4 (42 bytes on wire, 42 bytes captured)
>    Arrival Time: Jul 10, 2008 07:16:58.611494000
>    [Time delta from previous captured frame: 0.707238000 seconds]
>    [Time delta from previous displayed frame: 0.707238000 seconds]
>    [Time since reference or first frame: 0.792308000 seconds]
>    Frame Number: 4
>    Frame Length: 42 bytes
>    Capture Length: 42 bytes
>    [Frame is marked: False]
>    [Protocols in frame: eth:arp]
>    [Coloring Rule Name: ARP]
>    [Coloring Rule String: arp]
>Ethernet II, Src: Wistron_26:85:6f (00:16:d3:26:85:6f), Dst: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>    Destination: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        Address: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
>        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
>    Source: Wistron_26:85:6f (00:16:d3:26:85:6f)
>        Address: Wistron_26:85:6f (00:16:d3:26:85:6f)
>        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
>        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
>    Type: ARP (0x0806)
>Address Resolution Protocol (request)
>    Hardware type: Ethernet (0x0001)
>    Protocol type: IP (0x0800)
>    Hardware size: 6
>    Protocol size: 4
>    Opcode: request (0x0001)
>    Sender MAC address: Wistron_26:85:6f (00:16:d3:26:85:6f)
>    Sender IP address: 192.168.1.101 (192.168.1.101)
>    Target MAC address: 00:00:00_00:00:00 (00:00:00:00:00:00)
>    Target IP address: 192.168.1.1 (192.168.1.1)
>
>No.     Time        Source                Destination           Protocol Info
>      5 0.793647    Cisco-Li_46:42:4f     Wistron_26:85:6f      ARP      192.168.1.1 is at 00:12:17:46:42:4f
>
>Frame 5 (60 bytes on wire, 60 bytes captured)
>    Arrival Time: Jul 10, 2008 07:16:58.612833000
>    [Time delta from previous captured frame: 0.001339000 seconds]
>    [Time delta from previous displayed frame: 0.001339000 seconds]
>    [Time since reference or first frame: 0.793647000 seconds]
>    Frame Number: 5
>    Frame Length: 60 bytes
>    Capture Length: 60 bytes
>    [Frame is marked: False]
>    [Protocols in frame: eth:arp]
>    [Coloring Rule Name: ARP]
>    [Coloring Rule String: arp]
>Ethernet II, Src: Cisco-Li_46:42:4f (00:12:17:46:42:4f), Dst: Wistron_26:85:6f (00:16:d3:26:85:6f)
>    Destination: Wistron_26:85:6f (00:16:d3:26:85:6f)
>        Address: Wistron_26:85:6f (00:16:d3:26:85:6f)
>        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
>        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
>    Source: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        Address: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
>        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
>    Type: ARP (0x0806)
>    Trailer: 0000000000000000000000000000D1937513
>Address Resolution Protocol (reply)
>    Hardware type: Ethernet (0x0001)
>    Protocol type: IP (0x0800)
>    Hardware size: 6
>    Protocol size: 4
>    Opcode: reply (0x0002)
>    Sender MAC address: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>    Sender IP address: 192.168.1.1 (192.168.1.1)
>    Target MAC address: Wistron_26:85:6f (00:16:d3:26:85:6f)
>    Target IP address: 192.168.1.101 (192.168.1.101)
>
>No.     Time        Source                Destination           Protocol Info
>      6 6.984058    Cisco-Li_46:42:4f     Broadcast             ARP      Who has 192.168.1.100?  Tell 192.168.1.1
>
>Frame 6 (60 bytes on wire, 60 bytes captured)
>    Arrival Time: Jul 10, 2008 07:17:04.803244000
>    [Time delta from previous captured frame: 6.190411000 seconds]
>    [Time delta from previous displayed frame: 6.190411000 seconds]
>    [Time since reference or first frame: 6.984058000 seconds]
>    Frame Number: 6
>    Frame Length: 60 bytes
>    Capture Length: 60 bytes
>    [Frame is marked: False]
>    [Protocols in frame: eth:arp]
>    [Coloring Rule Name: ARP]
>    [Coloring Rule String: arp]
>Ethernet II, Src: Cisco-Li_46:42:4f (00:12:17:46:42:4f), Dst: Broadcast (ff:ff:ff:ff:ff:ff)
>    Destination: Broadcast (ff:ff:ff:ff:ff:ff)
>        Address: Broadcast (ff:ff:ff:ff:ff:ff)
>        .... ...1 .... .... .... .... = IG bit: Group address (multicast/broadcast)
>        .... ..1. .... .... .... .... = LG bit: Locally administered address (this is NOT the factory default)
>    Source: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        Address: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>        .... ...0 .... .... .... .... = IG bit: Individual address (unicast)
>        .... ..0. .... .... .... .... = LG bit: Globally unique address (factory default)
>    Type: ARP (0x0806)
>    Trailer: 00000000000000000000000000006EEC2B62
>Address Resolution Protocol (request)
>    Hardware type: Ethernet (0x0001)
>    Protocol type: IP (0x0800)
>    Hardware size: 6
>    Protocol size: 4
>    Opcode: request (0x0001)
>    Sender MAC address: Cisco-Li_46:42:4f (00:12:17:46:42:4f)
>    Sender IP address: 192.168.1.1 (192.168.1.1)
>    Target MAC address: 00:00:00_00:00:00 (00:00:00:00:00:00)
>    Target IP address: 192.168.1.100 (192.168.1.100)

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Attachments on bug 454206: 311215 | 311265 | 311282 | 311290 | 311291 | 311373 | 311374 | 311485 | 311486 | 311652 | 312482