Bug 1789476

Summary: one extra DNSSL is added
Product: Red Hat Enterprise Linux Fast Datapath Reporter: lorenzo bianconi <lorenzo.bianconi>
Component: ovn2.12Assignee: lorenzo bianconi <lorenzo.bianconi>
Status: CLOSED ERRATA QA Contact: Jianlin Shi <jishi>
Severity: medium Docs Contact:
Priority: medium    
Version: FDP 20.ACC: ctrautma, jishi, lorenzo.bianconi, mmichels, ralongi
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Linux   
Whiteboard:
Fixed In Version: ovn2.12-2.12.0-22.el7fdn Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1787000 Environment:
Last Closed: 2020-03-10 10:08:18 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:
Bug Depends On: 1787000    
Bug Blocks:    

Comment 2 Jianlin Shi 2020-02-06 03:45:11 UTC 
Verified on 2.12.0-27:

[root@localhost ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 52:54:00:67:9c:55 brd ff:ff:ff:ff:ff:ff
    inet 192.168.122.86/24 brd 192.168.122.255 scope global noprefixroute dynamic eth0
       valid_lft 3587sec preferred_lft 3587sec
    inet6 fe80::5054:ff:fe67:9c55/64 scope link 
       valid_lft forever preferred_lft forever
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 00:00:00:01:03:02 brd ff:ff:ff:ff:ff:ff
    inet6 aef0::200:ff:fe01:302/64 scope global noprefixroute 
       valid_lft forever preferred_lft forever
    inet6 fe80::200:ff:fe01:302/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
[root@localhost ~]# ip -6 r
aef0::/64 dev eth1 proto ra metric 101 pref medium
aef1::/48 via fe80::200:ff:fe00:1 dev eth1 proto ra metric 101 pref high
aef2::/96 via fe80::200:ff:fe00:1 dev eth1 proto ra metric 101 pref low
fe80::/64 dev eth1 proto kernel metric 101 pref medium
fe80::/64 dev eth0 proto kernel metric 256 pref medium
default via fe80::200:ff:fe00:1 dev eth1 proto ra metric 101 pref low
[root@localhost ~]# cat /etc/resolv.conf 
# Generated by NetworkManager
search aa.bb.cc
nameserver 192.168.122.1
nameserver aef0::11


ra packets in eth1:

22:43:29.187271 00:00:00:00:00:01 > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 198: (hlim 255, next-header ICMPv6 (58) payload length: 144) fe80::200:ff:fe00:1 > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 144
        hop limit 255, Flags [none], pref low, router lifetime 65535s, reachable time 0ms, retrans time 0ms
          source link-address option (1), length 8 (1): 00:00:00:00:00:01
            0x0000:  0000 0000 0001
          prefix info option (3), length 32 (4): aef0::/64, Flags [onlink, auto], valid time infinity, pref. time infinity
            0x0000:  40c0 ffff ffff ffff ffff 0000 0000 aef0
            0x0010:  0000 0000 0000 0000 0000 0000 0000
          rdnss option (25), length 24 (3):  lifetime 4294967295s, addr: aef0::11
            0x0000:  0000 ffff ffff aef0 0000 0000 0000 0000
            0x0010:  0000 0000 0011
          dnssl option (31), length 24 (3):  lifetime 4294967295s, domain(s): aa.bb.cc.
            0x0000:  0000 ffff ffff 0261 6102 6262 0263 6300
            0x0010:  0000 0000 0000
          route info option (24), length 16 (2):  aef1::/48, pref=high, lifetime=infinity
            0x0000:  3008 ffff ffff aef1 0000 0000 0000
          route info option (24), length 24 (3):  aef2::/96, pref=low, lifetime=infinity
            0x0000:  6018 ffff ffff aef2 0000 0000 0000 0000
            0x0010:  0000 0000 0000
22:43:32.304740 00:00:00:00:00:01 > 33:33:00:00:00:01, ethertype IPv6 (0x86dd), length 198: (hlim 255, next-header ICMPv6 (58) payload length: 144) fe80::200:ff:fe00:1 > ff02::1: [icmp6 sum ok] ICMP6, router advertisement, length 144
        hop limit 255, Flags [none], pref low, router lifetime 65535s, reachable time 0ms, retrans time 0ms
          source link-address option (1), length 8 (1): 00:00:00:00:00:01
            0x0000:  0000 0000 0001
          prefix info option (3), length 32 (4): aef0::/64, Flags [onlink, auto], valid time infinity, pref. time infinity
            0x0000:  40c0 ffff ffff ffff ffff 0000 0000 aef0
            0x0010:  0000 0000 0000 0000 0000 0000 0000
          rdnss option (25), length 24 (3):  lifetime 4294967295s, addr: aef0::11
            0x0000:  0000 ffff ffff aef0 0000 0000 0000 0000
            0x0010:  0000 0000 0011
          dnssl option (31), length 24 (3):  lifetime 4294967295s, domain(s): aa.bb.cc.
            0x0000:  0000 ffff ffff 0261 6102 6262 0263 6300
            0x0010:  0000 0000 0000
          route info option (24), length 16 (2):  aef1::/48, pref=high, lifetime=infinity
            0x0000:  3008 ffff ffff aef1 0000 0000 0000
          route info option (24), length 24 (3):  aef2::/96, pref=low, lifetime=infinity
            0x0000:  6018 ffff ffff aef2 0000 0000 0000 0000
            0x0010:  0000 0000 0000

[root@dell-per740-30 bz1699332]# rpm -qa | grep -E "openvswitch|ovn"
ovn2.12-central-2.12.0-27.el7fdp.x86_64
openvswitch-selinux-extra-policy-1.0-14.el7fdp.noarch
ovn2.12-2.12.0-27.el7fdp.x86_64
ovn2.12-host-2.12.0-27.el7fdp.x86_64
openvswitch2.12-2.12.0-21.el7fdp.x86_64
Comment 4 errata-xmlrpc 2020-03-10 10:08:18 UTC 
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, 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-2020:0752