Bug 2224403
| Summary: | [RFE] Extend DHCPv6 with FQDN option | ||
|---|---|---|---|
| Product: | Red Hat Enterprise Linux Fast Datapath | Reporter: | OVN Bot <ovn-bot> |
| Component: | ovn23.09 | Assignee: | Ales Musil <amusil> |
| Status: | CLOSED ERRATA | QA Contact: | ying xu <yinxu> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | FDP 22.E | CC: | ctrautma, ellorent, jiji, jishi |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | ovn23.09-23.09.0-alpha.89.el9fdp | Doc Type: | If docs needed, set a value |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2024-01-24 11:17:59 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
|
Description
OVN Bot
2023-07-20 17:02:41 UTC
verfied on version:
# rpm -qa|grep ovn
ovn23.09-23.09.0-73.el9fdp.x86_64
ovn23.09-central-23.09.0-73.el9fdp.x86_64
ovn23.09-host-23.09.0-73.el9fdp.x86_64
dhcp_102=$(ovn-nbctl create DHCP_Options cidr=42.42.42.0/24 \
options="\"server_id\"=\"42.42.42.254\" \"server_mac\"=\"00:de:ad:ff:01:02\" \
\"lease_time\"=\"3600\" \"router\"=\"42.42.42.254\"")
dhcpv6_102=$(ovn-nbctl create DHCP_Options cidr="2001\:1\:\:/64" \
options="\"server_id\"=\"00:de:ad:ff:01:02\"")
ovn-nbctl dhcp-options-set-options $dhcpv6_102 server_id="00:de:ad:ff:01:02" fqdn=\"bbb.org\"
ovn-nbctl ls-add ls
ovn-nbctl lsp-add ls vm1
ovn-nbctl lsp-set-addresses vm1 "00:00:00:00:00:01 42.42.42.2/24 2001:1::2/64"
rlRun "ovn-nbctl lsp-set-dhcpv4-options vm1 $dhcp_102"
rlRun "ovn-nbctl lsp-get-dhcpv4-options vm1"
rlRun "ovn-nbctl add Logical_Switch_Port vm1 dhcpv6_options $dhcpv6_102"
rlRun "ovn-nbctl lsp-get-dhcpv6-options vm1"
ovn-nbctl lsp-add ls vm2
ovn-nbctl lsp-set-addresses vm2 "00:00:00:00:00:02 42.42.42.3/24 2001:1::3/64"
rlRun "ovn-nbctl lsp-set-dhcpv4-options vm2 $dhcp_102"
rlRun "ovn-nbctl lsp-get-dhcpv4-options vm2"
rlRun "ovn-nbctl add Logical_Switch_Port vm2 dhcpv6_options $dhcpv6_102"
rlRun "ovn-nbctl lsp-get-dhcpv6-options vm2"
ip netns add vm1
ovs-vsctl add-port br-int vm1 -- set interface vm1 type=internal
ip link set vm1 netns vm1
ip netns exec vm1 ip link set vm1 address 00:00:00:00:00:01
ip netns exec vm1 ip link set vm1 up
ip netns exec vm1 ip link set lo up
ovs-vsctl set Interface vm1 external_ids:iface-id=vm1
ovs-vsctl set interface vm1 external-ids:ovn-egress-iface=true
# ovn-nbctl show
switch 27ac53ab-8af7-43a4-a91e-9a7439b79692 (ls)
port vm1
addresses: ["00:00:00:00:00:01 42.42.42.2/24 2001:1::2/64"]
port vm2
addresses: ["00:00:00:00:00:02 42.42.42.3/24 2001:1::3/64"]
[root@dell-per740-53 dhcp]# ovn-nbctl list dhcp-options
_uuid : fce3686d-d670-4d68-a129-686aa34b3e12
cidr : "42.42.42.0/24"
external_ids : {}
options : {lease_time="3600", router="42.42.42.254", server_id="42.42.42.254", server_mac="00:de:ad:ff:01:02"}
_uuid : cbcb0c0a-35c6-4533-8908-2480b964fa71
cidr : "2001:1::/64"
external_ids : {}
options : {fqdn="\"bbb.org\"", server_id="00:de:ad:ff:01:02"}
then on vm1, run dhclient to get ip address:
ip netns exec vm1 dhclient -6 -i vm1 -v -F ovn.org --request-options fqdn.fqdn
Internet Systems Consortium DHCP Client 4.4.2b1
Copyright 2004-2019 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
grep: /etc/sysconfig/network-scripts/ifcfg-*: No such file or directory
grep: /etc/sysconfig/network-scripts/ifcfg-*: No such file or directory
grep: /etc/sysconfig/network-scripts/ifcfg-*: No such file or directory
Listening on Socket/vm1
Sending on Socket/vm1
PRC: Soliciting for leases (INIT).
XMT: Forming Solicit, 0 ms elapsed.
XMT: X-- IA_NA 00:00:00:01
XMT: | X-- Request renew in +3600
XMT: | X-- Request rebind in +5400
XMT: | X-- Request address 2001:1::2.
XMT: | | X-- Request preferred in +7200
XMT: | | X-- Request valid in +10800
XMT: Solicit on vm1, interval 1060ms.
RCV: Advertise message on vm1 from fe80::2de:adff:feff:102.
RCV: X-- IA_NA 00:00:00:01
RCV: | X-- starts 1703560989
RCV: | X-- t1 - renew +4294967295
RCV: | X-- t2 - rebind +4294967295
RCV: | X-- [Options]
RCV: | | X-- IAADDR 2001:1::2
RCV: | | | X-- Preferred lifetime 4294967295.
RCV: | | | X-- Max lifetime 4294967295.
RCV: X-- Server ID: 00:03:00:01:00:de:ad:ff:01:02
RCV: Advertisement recorded.
PRC: Selecting best advertised lease.
PRC: Considering best lease.
PRC: X-- Initial candidate 00:03:00:01:00:de:ad:ff:01:02 (s: 10101, p: 0).
XMT: Forming Request, 0 ms elapsed.
XMT: X-- IA_NA 00:00:00:01
XMT: | X-- Requested renew +3600
XMT: | X-- Requested rebind +5400
XMT: | | X-- IAADDR 2001:1::2
XMT: | | | X-- Preferred lifetime +7200
XMT: | | | X-- Max lifetime +7500
XMT: V IA_NA appended.
XMT: Request on vm1, interval 910ms.
RCV: Reply message on vm1 from fe80::2de:adff:feff:102.
RCV: X-- IA_NA 00:00:00:01
RCV: | X-- starts 1703560990
RCV: | X-- t1 - renew +4294967295
RCV: | X-- t2 - rebind +4294967295
RCV: | X-- [Options]
RCV: | | X-- IAADDR 2001:1::2
RCV: | | | X-- Preferred lifetime 4294967295.
RCV: | | | X-- Max lifetime 4294967295.
RCV: X-- Server ID: 00:03:00:01:00:de:ad:ff:01:02
PRC: Bound to lease 00:03:00:01:00:de:ad:ff:01:02.
check the packets,we can see that fqdn was included in the packets.
# tcpdump -r vm1.pcap -A
reading from file vm1.pcap, link-type EN10MB (Ethernet), snapshot length 262144
dropped privs to tcpdump
22:23:07.686978 IP6 fe80::200:ff:fe00:1 > ff02::2: ICMP6, router solicitation, length 16
`.....:...................................{,............
22:23:09.731865 IP6 fe80::200:ff:fe00:1.dhcpv6-client > ff02::1:2.dhcpv6-server: dhcp6 solicit
`.Z..b...................................".#.b....7.......;_k.o.N7...} .r@.......'.
..ovn.org....(................ .................. ..*0
22:23:09.732676 IP6 fe80::2de:adff:feff:102.dhcpv6-server > fe80::200:ff:fe00:1.dhcpv6-client: dhcp6 advertise ----------server would include fqdn in advertise
`.Z..j...................................#.".j....7.......;_k.o.N7...} .r@...(................ ........................'.
..bbb.org....
..........
22:23:10.155133 IP6 fe80::200:ff:fe00:2 > ff02::2: ICMP6, router solicitation, length 16
`.....:...................................{*............
22:23:10.793183 IP6 fe80::200:ff:fe00:1.dhcpv6-client > ff02::1:2.dhcpv6-server: dhcp6 request
`.Z..p...................................".#.p...X........;_k.o.N7...} .r@...
.................'.
..ovn.org....(................ .................. ...L
22:23:10.793613 IP6 fe80::2de:adff:feff:102.dhcpv6-server > fe80::200:ff:fe00:1.dhcpv6-client: dhcp6 reply -----------server would include fqdn in reply
`.Z..j...................................#.".jF..X........;_k.o.N7...} .r@...(................ ........................'.
..bbb.org....
then release is also correct.
# ip netns exec vm1 dhclient -6 -i vm1 -v -r
Killed old client process
Internet Systems Consortium DHCP Client 4.4.2b1
Copyright 2004-2019 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/
Listening on Socket/vm1
Sending on Socket/vm1
XMT: Forming Release, 0 ms elapsed.
XMT: X-- IA_NA 00:00:00:01
XMT: | X-- Release Address 2001:1::2
XMT: V IA_NA appended.
XMT: Release on vm1, interval 950ms.
RCV: Reply message on vm1 from fe80::2de:adff:feff:102.
RCV: X-- Server ID: 00:03:00:01:00:de:ad:ff:01:02
message status code Success.
set verified.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory (ovn23.09 bug fix and enhancement update), and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2024:0392 |