In all my implementations I had problem that XR (5.x.x, 6.0.x) would NOT announce routes learned from BGP ipv4 unicast neighbor to BGP IPv4 labeled-unicast neighbor. Something like this: https://learningnetwork.cisco.com/thread/117644 But now I am s...

I need to understand how MPLS traffic is load balanced over: 1. Port-channels 2. ECMP In Port-Channels, I see only ASR920(config)#port-channel load-balance-hash-algo ? dst-ip Destination IP dst-mac Destination MAC src-dst-ip Source XOR Destination IP...

I'm trying to set COS 6 on BFD packets originated by ASR 9000. Below is my config. Although BFD packets have IP PREC of 6, COS is set to 0, as seen on Wireshark capture.Do I need to do something special to set COS for locally originated packets? Spec...

I'm trying to implement Policy Based Tunnel Selection on ASR 9k. Official documentation is completely wrong about it, stating we should use "policy-class" command. Instead, I was told by TAC a while ago that we should be using "forward-class", which ...

I'm trying to import  BGP prefix from several different sources into VRF for fast convergence. When RD on local and remote PE match, it works right away. But if RDs are different, then I can see many different routes in "sh bgp vpnv4 unicast rd x:x (...