R1 can reach R4 through R2 and R3，R2 is the main pathWhen I turn off the direct interface between R2 and R1，always lose at least 8 packets。I was used ISIS-BFD between R1 and R2,R1 and R3LDP-IGP SYN is also used in R1 , R2 and R3But nothing changed,wh...
Forum Posts
Hi all,I configured the following lab to understand how the L3VPN service works. I set up everything except MPLS within AS 2. In the CE routers, I configured 2 loopbacks (R1: 1.1.1.1/32 and R4: 4.4.4.4/32) and advertised them via BGP. I then created ...
Hello,we have issue in tunnel TE, we have config the auto-bw in MPLS traffic engineer in our network and config the tunnel TE and we have issued the tunnel TE does not calculate the traffic through it and not registered because no traffic passed with...
Hi,I am working with the following topology: I have an ASR9k router (BNG in the topology) that has 2 VRF configured: Subscriber and Radius. The goal is to have the VRF subscriber able to reach a DNS server that is located behind ASR 02.I receive all...
May I know does bandwidth and queue-limit affect WAN MPLS cct performance 80Mbps?Why does bandwidth configure under class VIDEO is 1024, wht it means to WAN circuit bandwidth of 80Mbps? Bandwidth for class-default is 2048. Does it means bandwidth wi...
Hi, Am trying to use VRF-Lite Route leaking , but am able to import/export routes between two vrfs. Ping is working within VRF to/from hosts , but am not able ping between two nodes.(Server/Host). Configuration/toplogy is mentioned below for feedba...
Resolved! REP on a multiring environment
In a rep topology where we have two or more rings interconnected as shown bellow: where we have segment #1 which is a 1Gbit ring and segment #2 a 100Mbit ring. Edge ports and alternate ports are set accordingly and stcn segment frames are send out on...
Resolved! LDP and Segment Routing IOS XE
Hello all. I am a novice when it comes to segment routing. I have a simple network in which one region has LDP enabled and the other region has SR enabled. I want the SR Enabled routers to have the Node or Prefix-SID for the devices outside of the SR...
Hi All, Can any one please clear this doubt. Here in below this snip capture of MPLS L2 VPN all header. Here what "PW Ethernet Control word" header does? even it is optional. If this header comes whenever we make Pseudo Wire then how its become opti...
I have 2 cisco iOS-XR router routers model N540-28Z4C-SYS-A and N540X-6Z18G-SYS-A. I have to configure the TACAS+ server on both router to authenticate and authorize with TACAS server. TACAS server IP is 192.168.X.X. Configuration of these model are ...
Hi,How can i install a license in this version, i have the .lic file that cisco send me to install it but in this IOS XE version i cant.normally i use the command:license install flash:license-file.lic1/1 licenses were successfully installed0/1 licen...
hi All,looking for ideas on how to achive following - On my local PE router ( VRF A ), i have cutomer route being received from my remote PE. The local PE VRF A is also receiving the same route via an external BGP neighbour ( via a longer AS path )....
Resolved! MPLS issue ( Route Reflector )
Hi have been struggling with a lab , to create an MPLS network using route reflector from PE R5 i can see from the trace that MPLS label is being used when pinging the loopback of the other PE R6the routes for each customer is learned without issues ...
Hi All,If you peer between route reflectors clusters and have them setup as back-to-back clients does this disable the cluster-id loop prevention checks? Just i see routes being sent back to originator RR and that RR accepting them. I thought the or...
In MPLS L2 VPN (AToM and VPWS) referring to the diagram here IGP is running OSPF with MPLS Backbone. And R1 and R2 connected with Pseudo Wire. Now when user 192.168.0.100 ping to Server 192.168.0.101 the first packet is going with only one Label but...
