A few tools have options like -s, but it is a problem.
I'm also frustrated by this solution, and working on a better method.
Pierre Emeriaud <petrus.lt+openbsd@gmail.com> wrote:
> What is the current canonical way to tweak source address selection?
>
> I have a bgp multi-homed router, and while answers do use the correct
> source address, host-generated traffic uses the outgoing interface IP
> address:
>
> $ route -n get 194.2.0.20
> route to: 194.2.0.20
> destination: 194.2.0.0
> mask: 255.255.192.0
> gateway: 44.151.211.1
> interface: em1
> if address: 44.151.211.2 <<<< Not reachable from outside my network.
> priority: 48 (bgp)
> flags: <UP,GATEWAY,DONE>
> use mtu expire
> 3 0 0
>
> This can cause issues when the /30 peering subnet is not announced, as
> return traffic (or even forward w/ urpf enabled in adjacent networks)
> will be dropped.
>
> thanks in advance
> --
> pierre
>
No comments:
Post a Comment