Segment Routing to Replace 6PE | IOS-XE Configuration
I'm trying to confirm SR to replace 6PE in a lab that I'm running. I've attached a couple of pictures to show how I understand the setup to work (and to show how bad my handwritting is and how much I love to color code )
Firstly this is how I understand 6PE to work (assuming 2001:CAFE:BABE::/64 is a subnet which PE2 is receiving from some CE that isn't shown):
Stock standard 6PE. So to migrate to SR, I deploy v6 across the core, enable v6 loopbacks with appropriate Node-SIDs, and establish native IPv6 Unicast BGP sessions to the reflectors. SR is enabled and preferred. The setup should work as follows:
Im trying to set my lab up as you see above. But PE2 is IOS-XE and I cannot, for the life of me, find out how to give an IPv6 Loopback address a Node SID. IOS-XR is easy:
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6PE OverviewThe Cisco 6PE solution enables IPv6 domains to communicate with each other over an MPLS IPv4 core network. MP-BGP in the IPv4 network is used to exchange IPv6 reachability information along with a label for each IPv6 prefix announced. 6PE rout...