Re: ipv4 route with ipv6 local link nexthop ?

> On Mar 22, 2024, at 5:05 PM, Benoit Chesneau <[email protected]> wrote:
> 
> Awesome! Do we have a chance it land in a patch release soon ? Or better to use a STABLE until the 14.1 is released?
> 

Or you can stay on 14.0 If the workaround can fulfill. 14.1 is about to be released at 18 June as per the
schedule [1] , that is about 3 and half months.

CCing secteam, I do not think there is any security impact so probably it does not deserve an EN.

See also the bug report  https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275341 <https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275341>  .

1. https://www.freebsd.org/releases/14.1R/schedule/

Best regards,
Zhenlei

> 
> Benoît
> On Thursday, March 14th, 2024 at 10:56, Zhenlei Huang <[email protected]> wrote:
>> 
>> 
>>> On Mar 14, 2024, at 9:04 AM, Zhenlei Huang <[email protected] <mailto:[email protected]>> wrote:
>>> 
>>> 
>>> 
>>>> On Mar 14, 2024, at 3:07 AM, Marek Zarychta <[email protected] <mailto:[email protected]>> wrote:
>>>> 
>>>> W dniu 13.03.2024 o 18:59, Marek Zarychta pisze:
>>>>> W dniu 13.03.2024 o 16:31, Benoit Chesneau pisze:
>>>>>> Hrm I thought it was implemented via https://reviews.freebsd.org/rG62e1a437f3285e785d9b35a476d36a469a90028d <https://reviews.freebsd.org/rG62e1a437f3285e785d9b35a476d36a469a90028d>
>>>>>> 
>>>>>> Wasn't it merged ? (also pretty sure I did test it in freebsd 13).
>>>>>> 
>>>>> FWIW: it works fine on CURRENT
>>>>> 
>>>>> # ifconfig vlan8 destroy
>>>>> # ifconfig vlan8 create vlandev bge0 vlan 8 up
>>>>> # ifconfig vlan8 inet6 -ifdisabled auto_linklocal
>>>>> # route add -net 10.11.13.0/24 -inet6 fe80::360a:11ff:fe1b:404e%vlan8
>>>>> add net 10.11.13.0: gateway fe80::360a:11ff:fe1b:404e%vlan8 fib 0
>>>>> 
>>>> It looks like the fix is in f818559774cb0c1516364c4beca361480fd68b5b . Zhenlei, could you please MFC this one[1] ?
>>>> 
>>>> Cherry-picking it to stable/14 makes route fully functional. I have tested it between stable/14 with this fix applied and CURRENT.
>>> 
>>> Thanks for finding the fix and the confirmation , I'll take care of that :)
>> 
>> Done. The fix and tests are all MFCed into stable/14 branch.
>> 
>>> 
>>>> 
>>>> Host A:
>>>> 
>>>> # ifconfig lo10 destroy
>>>> # ifconfig lo10 create
>>>> # ifconfig lo10 10.11.13.1/24
>>>> # ifconfig vlan8 destroy
>>>> # ifconfig vlan8 create vlandev bge0 vlan 8 up
>>>> # ifconfig vlan8 inet6 -ifdisabled auto_linklocal
>>>> # route add -net 10.11.12.0/24 -inet6 fe80::6ab5:99ff:febd:8108%vlan8
>>>> add net 10.11.12.0: gateway fe80::6ab5:99ff:febd:8108%vlan8 fib 0
>>>> # ping -c5 -S 10.11.13.1 10.11.12.1
>>>> PING 10.11.12.1 (10.11.12.1) from 10.11.13.1: 56 data bytes
>>>> 64 bytes from 10.11.12.1: icmp_seq=0 ttl=64 time=2002.303 ms
>>>> 64 bytes from 10.11.12.1: icmp_seq=1 ttl=64 time=1000.461 ms
>>>> 64 bytes from 10.11.12.1: icmp_seq=2 ttl=64 time=0.167 ms
>>>> 64 bytes from 10.11.12.1: icmp_seq=3 ttl=64 time=0.222 ms
>>>> 64 bytes from 10.11.12.1: icmp_seq=4 ttl=64 time=0.207 ms
>>>> 
>>>> --- 10.11.12.1 ping statistics ---
>>>> 5 packets transmitted, 5 packets received, 0.0% packet loss
>>>> round-trip min/avg/max/stddev = 0.167/600.672/2002.303/800.763 ms
>>>> 
>>>> Host B:
>>>> 
>>>> # ifconfig lo10 destroy
>>>> # ifconfig lo10 create
>>>> # ifconfig lo10 10.11.12.1/24
>>>> # ifconfig vlan8 destroy
>>>> ifconfig: interface vlan8 does not exist
>>>> # ifconfig vlan8 create vlandev bce0 vlan 8 up
>>>> # ifconfig vlan8 inet6 -ifdisabled auto_linklocal
>>>> # route add -net 10.11.13.0/24 -inet6 fe80::26be:5ff:fe10:c900%vlan8
>>>> add net 10.11.13.0: gateway fe80::26be:5ff:fe10:c900%vlan8 fib 0
>>>> # ping -c5 -S 10.11.12.1 10.11.13.1
>>>> PING 10.11.13.1 (10.11.13.1) from 10.11.12.1: 56 data bytes
>>>> 64 bytes from 10.11.13.1: icmp_seq=0 ttl=64 time=1000.285 ms
>>>> 64 bytes from 10.11.13.1: icmp_seq=1 ttl=64 time=0.141 ms
>>>> 64 bytes from 10.11.13.1: icmp_seq=2 ttl=64 time=0.231 ms
>>>> 64 bytes from 10.11.13.1: icmp_seq=3 ttl=64 time=0.235 ms
>>>> 64 bytes from 10.11.13.1: icmp_seq=4 ttl=64 time=0.174 ms
>>>> 
>>>> --- 10.11.13.1 ping statistics ---
>>>> 5 packets transmitted, 5 packets received, 0.0% packet loss
>>>> round-trip min/avg/max/stddev = 0.141/200.213/1000.285/400.036 ms
>>>> 
>>>> 1. https://cgit.freebsd.org/src/commit/?id=f818559774cb0c1516364c4beca361480fd68b5b <https://cgit.freebsd.org/src/commit/?id=f818559774cb0c1516364c4beca361480fd68b5b>
>>>> 
>>>> Cheers
>>>> 
>>>> --
>>>> Marek Zarychta
>> 
>> 
>> 
>

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