MPLS

Hi:Why does the router-id (L0) have to be a /32?If it is a /24, even though the control plane works fine, the data plane gets broken - I cannot ping end-to-end.A show mpls ldp discovery shows no host route to the /24 loopback.Thanks !!

We have a pair of CSS (model 11503) configured as an active/standby pair using redundant VIPs and interfaces. Each CSS has connections to the same four subnets for which one CSS is the Master and the other Backup.This all works fine but when I recent...

Hi guys anyone has got a sample config of having to run GRE between two CE routers(I am having an MPLS network). Would like some EIGRP running inside this GRE tunnel, so that all my LAN network gets its routing via EIGRP. Any help would be appreciate...

I have some problems trying assing an IP via DHCP with VRF and Viasat system.The problem is that the request for the NEW IP address come from the Vsat to the router via the managenemt IP, and I need to assing an IP address to a VRF configured into th...

Hi folks,I've to use a 3745 as PE on my MPLS infrastructure. But change the fastethernet interface MTU is not permitted. Well, the command 'mpls mtu', or 'tag-switching mtu', is enough, or is not possible to use a 3745 as PE?thanks for your supportRe...

I am doing MPLS L2VPN interop testing with foundry XMR, IOS establishes the targeted LDP session with XMR fine and VC FECs are exchanged. However, I noticed that IOS is also advertising prefix-FEC mappings to XMR. This is puzzling me, since there is ...

we are having PE-PE xconnect.There sessions are established last five weeks.But now there session is brraken up.And now we are not able to start new xconnect session between pe-pe.Can anyone provide the solution.

Hi,Anyone has done route leaking from global table to VRF... A confirmation would help..ThanksRegardsNK

Hi folks,I've to realize a RAS/PE for dialup connections, and use a vrf selection authentication based.Any advice will be appreciatedRegardsAndrea

I have a question If I have 2 MPLS tunnels as follows, PE1 ------> PE2PE1 ------> PE3Which PE is the Ingress and Egress ? I am getting asked this question with the same syntax in a practice exam. It doesn't specify whether TE tunnel or LSP. Another q...

Can I use the "tag-switching" command under interface vlan?My PE is also a CE. The PE is a 6500 connecting to multiple 3750 stacks using multiple vlans. Should I use the "tag-switching" command under each interface vlan, or under the trunk ports conn...

I’m currently doing a study about Traffic Engineering over MPLSMPLS traffic engineering sets up LSP along links with available resources, thus ensuring that bandwidth is always available for a particular flow.The path computation is performed by the...

I'm trying to understand how can An ISP configure it's PE router if the Clients need to be connected only to the Inter-net using the ISP MPLS Backbone?

I'm a newbie to Mpls. I'm doing my attachment with a service privider. It is presently running bgp in it backbone. Its now considering restructuring and upgrading to bgp/mpls. it will have 4 P routers and 5 PE routers for now. Each PE router will be...