[j-nsp] dhcp relay fail between VRFs

Anderson, Charles R cra at wpi.edu
Wed Dec 19 22:49:40 EST 2018


On Wed, Dec 19, 2018 at 03:41:40PM -0800, Chris Cappuccio wrote:
> Nathan Ward [nward at daork.net] wrote:
> > Hi Chris, check out the forward-only-replies option, pretty sure there was some stuff there I had to fiddle with.
> > 
> > Can you post your config?
> > 
> 
> I'm using the bootp helper instead of the dhcp-relay feature. I don't know
> if 'fud' handles both. When I tried using dhcp-relay, my remote PEs stopped
> receiving DHCP replies. The router connected to the dhcp server would eat the
> replies and they would never reach the remote PE router, despite the
> interface that the DHCP server connects to not having any relay enabled.
> Since it is a production network I stopped using dhcp-relay until I look
> further into the documentation..

bootp helper requires you to specify the routing-instance.  Have you done that?

set forwarding-options helpers bootp interface irb.2287 server 10.0.1.10 routing-instance FOO
set forwarding-options helpers bootp interface irb.2287 server 10.0.2.10 routing-instance FOO


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