Comments (4)
donaldsharp
commented on August 15, 2024
1
https://docs.frrouting.org/en/latest/overview.html#feature-matrix
Notice the minimum kernel for pim is 4.19. Please upgrade your kernel.
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Pengwei-Chen-1
commented on August 15, 2024
@donaldsharp thanks for your reply.
Now our VM base on the RHEL8 which used the 4.18 kernel, and we cannot upgrade it.
But from our verification, below secnario works well:
- IPv4 + PIM + OSPF, the SSM multicast no problem, and no this error log.
- IPv6 + PIMv6 + OSPFv3, the IPv6 SSM multicast also no problem, except these error logs.
And for these errors:
- What it means? The linux kernel does not support some features?
- What's the impact? Does it will impact the IPv6 SSM multicast?
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donaldsharp
commented on August 15, 2024
it's telling you that the kernel does not support the requested feature. v6 support was implemented in the linux kernel long after the 4.19 minimum. I would hazard a guess that the v6 version of the command is just not available. As such things will not work properly. What exactly is not going to work properly.... I do not know.
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Pengwei-Chen-1
commented on August 15, 2024
hi @donaldsharp
I use the RHEL 9.4(kernel 5.14) with FRR 10.0.1, the error log still exists.
[root@mcptt-cp ~]# uname -a
Linux mcptt-cp 5.14.0-427.13.1.el9_4.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Apr 10 10:29:16 EDT 2024 x86_64 x86_64 x86_64 GNU/Linux
[root@mcptt-cp ~]# cat /etc/redhat-release
Red Hat Enterprise Linux release 9.4 (Plow)
mcptt-cp# show running-config
Building configuration...
Current configuration:
!
frr version 10.0.1
frr defaults traditional
hostname mcptt-cp
log file /var/log/frr/frr.log
log syslog informational
no ip forwarding
no ipv6 forwarding
!
interface loopback1
ipv6 pim
multicast enable
exit
!
interface traffic
ipv6 pim
exit
!
end
The error log as below:
2024/07/18 00:18:20 PIM6: [VM3TX-FD7WH] pimd/pim_ifchannel.c check_recv_upstream: RPF'(2001:72:101::94:16,ff35:94::1) not found
2024/07/18 03:31:28 ZEBRA: [WVJCK-PPMGD][EC 4043309093] netlink-cmd (NS 0) error: Operation not supported, type=RTM_GETROUTE(26), seq=510, pid=3092787401
2024/07/18 03:31:59 ZEBRA: [WVJCK-PPMGD][EC 4043309093] netlink-cmd (NS 0) error: Operation not supported, type=RTM_GETROUTE(26), seq=511, pid=3092787401
2024/07/18 03:32:30 ZEBRA: [WVJCK-PPMGD][EC 4043309093] netlink-cmd (NS 0) error: Operation not supported, type=RTM_GETROUTE(26), seq=512, pid=3092787401
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