MPLS

in inter-AS VPN option C, we can use RRs of different ASes to peer with each other instead of PEs.when used in EVPN, IOS XE as RR must configure 'next-hop-unchanged' which makes it out of band or the forwarding will not work despite type 2 and 3 rout...

Hi all, I’m thinking about starting my CCIE journey and I’ve been looking at CML and EVE-NG. At the moment, I’m leaning towards CML since it seems like less hassle when it comes to getting images and setting everything up.In terms of hardware, I’d re...

Hi everyone, I am trying to configure ECMP for Segment Routing Traffic Engineering on an ASR920. Here is the configuration I have applied: segment-routing traffic-engsegment-list name SL_TEST_PATH_1index 10 mpls label 17201index 20 mpls label 15984 s...

in all-active multihomed L2 EVPN, the failover time seems to be quite slow as tested with IOS XE by disconnecting attachment curcuit. below is ping from CE. static LAG: (both PEs are 'DF state: forwarding') !!!!!!!...*Mar 10 15:39:45.723: %LINK-3-UPD...

Hello, I'm testing SR-TE using PFP on a lab enviroment and I have a doubt on my configuration. I have a CPE connected to a Cisco ASR9902 that is the Head End of the SR-TE, the remote tail end is a Cisco ASR9000. Sending traffic from the CPE to remote...

in normal L3VPN, we need to advertise the attachment circuit IP segment to remote PE for CE connectivity. however in 6VPE, this is not needed and the segment appears automatically on remote PE. this is consistent in IOS XE, XR, and Junos. is it becau...

Hello guys, I need a honest advise. After 7 years of experience in system and some network support job roles. I want to do ccie lab. I don't have much experience in Service provider, but I have studied a lot some routing switching and attempted once ...

Hi All,My office want to deploy a new VoIP phone which is from yealink. I wonder is it possible to make changes on LAN routing without notifying ISP A and B regarding the new deployment plan? They want a new network arrangement, which is to allow int...

The topology diagram is attached in this discussionOSPFConfigured amongst PE1, P1, P2Configured amongst PE2, P3, P4L2VPN VPWS Primary PWFrom PE1 to P1, then gets stitched to P3, then another PW from P3 to PE2L2VPN VPWS Backup PWFrom PE1 to P2, then g...

Hello,I have a problem I can't figure out:I have two Xconnect routers with identical configurations except for the VC ID.The first one works perfectly.the second impossible to make it work, the tunnel is up, the ping mpls are good but one of the forw...

Hi,I have some MPLS VPN PE routers. I enabled marking on the LAN ingress interface and shaping on the WAN egress interface that is MPLS enabled.But marked ingress packets do not match on egress MPLS interface.What should I do?