[FROG] how to get routing table entries with different src ip / from dummy interface?

Jan Marquardt jm at artfiles.de
Tue Sep 17 03:00:42 EDT 2019


Hi Stefan,

as far as I remember I had a similar issue some time ago which
I solved by adding the addresses to lo instead of dummyN.

Best Regards

Jan

> Am 17.09.2019 um 08:48 schrieb Stefan Priebe - Profihost AG <s.priebe at profihost.ag>:
> 
> Hello list,
> 
> i'm trying to get an linux kernel routing table entry like this one:
> # ip r get 52.218.237.186
> 52.218.237.186 via 192.0.2.2 dev br99 src 37.228.152.3
> 
> but frr always creates entries like this one:
> # ip r get 52.218.237.186
> 52.218.237.186 via 192.0.2.2 dev br99 src 192.0.2.3
> 
> 37.228.152.3 is an ip of an dummy0 interface and 192.0.2.3 is the ip of
> br99.
> 
> frr.conf:
> 
> router bgp XXXXX
> bgp router-id 37.228.152.3
> neighbor internal-bgp peer-group
> neighbor internal-bgp remote-as XXXXX
> neighbor internal-bgp capability dynamic
> neighbor 37.228.152.2 peer-group internal-bgp
> neighbor 37.228.152.2 description R2
> neighbor 37.228.152.2 update-source dummy0
> !
> address-family ipv4 unicast
>  neighbor 37.228.152.2 next-hop-self
> exit-address-family
> !
> 
> Greets,
> Stefan
> 
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