[FROG] IPv6 bgp not working properly

[Patrick Boutilier]

On 1/8/20 9:49 AM, Tim Bray wrote:
> On 08/01/2020 13:42, Patrick Boutilier wrote:
>> Having troubles with IPv6 and bgp. Traffic comes back on the interface 
>> (eth4.431) connected to the bgp peer but traffic won't pass through 
>> the kernel to the interface the ping is coming from. Also I can see 4 
>> extra ping replies with tcpdump. Works fine on old Quagga bgpd.
>>
>> Any ideas what could be going on?
>>
>>
> Sanity check
> 
> more /proc/sys/net/ipv6/conf/*/forwarding
> 
> and check you have all 1s
> 
> 
> (TBH, working IPv6 is the main reason to use FRR over Quagga)
> 
> 
> Tim
> 
> 

All 1. Lots of vlan interfaces....


# cat /proc/sys/net/ipv6/conf/*/forwarding
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
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1
1
1
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