Hi there,
(Switches in question here are C9500-48Y4C (swA) and C9300-24T (swB), both running at version 17.3.3.)
I'm trying to get DHCP to work over MPLS/VPLS (which is working very well besides DHCP).
I suspect some sort of ip helper is required to get this to work, but I can't understund why..
Excerpt from Switch A:
interface Vlan1080
ip address 10.0.0.1 255.255.255.0
ip helper-address 8.7.6.5
xconnect vfi vpls_vlan1080
!
l2 vfi vpls_vlan1080 manual
vpn id 1080
neighbor 47.47.47.47 encapsulation mpls
!
Switch B:
interface Vlan1080
no ip address
xconnect vfi vpls_vlan1080
!
l2 vfi vpls_vlan1080 manual
vpn id 1080
neighbor 7.7.7.7 encapsulation mpls
!
(IP addresses are obscurifed, of course..)
I have read this article, which is more or less the same as I'm trying to accomplish, but where the article puts a helper-address on the customer facing interface, this is not possible on my switches.
https://sites.google.com/site/amitsciscozone/mpls/mpls-wiki/dhcp-relay-support-for-mpls-vpn
All help is greatly appreciated
regards
Tomas