@ryan-hitch wrote:
Is VPLS multi-homing from a CE to (2) PE devices supported in IOS-XE on the ASR 9000?
I have a feeling that the answer is no, since I do not see any documentation related to it other than a community forum question from 2011:
https://community.cisco.com/t5/mpls/vpls-multihoming/td-p/1787027
It looks like Juniper has supported this feature on the MX since 2010, so I am not sure why Cisco has not added support:
https://www.juniper.net/documentation/en_US/junos/topics/concept/vpn-vpls-multihoming.html
Looks like a draft standards-track RFC has been in the works for 10 years (still active) with both Cisco and Juniper authors on board:
https://www.ietf.org/id/draft-ietf-bess-vpls-multihoming-05.txt
If not, any suggested alternatives?
VPLS multihoming is supported under asr9k when you implement a redundant pseudo wire from CE device with active/stdby pw. You may have also the same solution with MCLAG on the PEs if i recall correctly.
Please check anyway the following documentation about h-vpls for multihoming vpls:
https://www.cisco.com/c/en/us/support/docs/routers/asr-9000-series-aggregation-services-routers/116453-technote-ios-xr-l2vpn-00.html#anc41
As alternative i suggest, if you run above 32 bit XR-6.1.2 code, to plan a testing about EVPN dual homed scenario, as it is more scalable than vpls and allows for load balancing support too.
Regards
