MPLS

HiOn my MPLS netwrok that use GSR and OSR routers , MPLS mtu is set to 1550 when i ping from one OSR to other OSR packet larger than 1500 bytes are droped but ping with more than 1500 bytes for trasit traffic is OKI mean i can ping from one OSR to de...

Hello,I am not able to understand following sentance:"Cisco VPLS does not require the exchange of reachability information via a signaling protocol. This information is learned from the data plane using standard address learning, aging and filtering ...

Not really an MPLS issue, but it needs to run over an MPLS network. Can I use the NM-CEM-4TE1 CEoIP module in an ISR router together with the SPA-24CHT1-CE-ATM module in a 7600 router? This in order to aggregate multiple small sites with a few E1's e...

Dear All,I have a Cisco 7204VXR Router with Network Processing Engine 200. I want to upgrade its IOS support to L2VPN Interworking image. I recently downloaded the IOS 12.0(33)S after I uploaded the IOS the router said that the IOS is not supported o...

How is CE configured for routing in a MPLS L3VPN in case there are overlapping addresses in different VPNs?Say I have two VRFs for companies A and B and their IP pools overlap...Since my CE needs to communicate to both A & B and is a member of both ...

in mpls vpn network, traffic based on EXP, but for P-PE link, on end PE,because PHP behavior,PE doesn't have outboud label, there is no EXP,how can PE identify the traffic class! thank you!Jun LI

Hi Sir,Does anyone run an MPLS TE tunnel across a L3 EtherChannel?Someone pointed that MPLS TE is not recommended on EtherChannel. Can you explain why?Thank you.B.Rgds,Lim TS

Hi,Kindly requesting your inputs, here is a situation. I have a customer with a Hub site and 2 spoke sites connected over an IP/MPLS VPN network.Each site (Hub and Spoke) has 2 CE routers connected to 2 different MPLS VPNs from the same provider (can...

Hi...In our network we are having TDP as signalling protocol and in the process of changing to LDP.... Any advantages of LDP over TDP.. because now a days Cisco's IOS comes with defaut as LDP (previously with TDP)...I suspect Fault tolerant features ...

I am working on a network running MPLS MPLS MTU 1550 is set under gig interfaces while using show cef interface it shows that IP MTU is 1500 Will this cause some packet drops ?Isn't it better to have same IP and MPLS MTU or not thx

Hi,When we configure the L2VPN L2 virtual circuit, we configure a far end peer IP and a VCID , what significance VCID has? Can we just put any value for VCID same or different on both the ends..For FR , I see it being dlciFor dot1, vlan I see it bein...

Hello,IS-IS DIS sends hellos at 3.3 seconds, so does it means 3.3 seconds between DIS and all other routers as well as other routers also send hellos to DIS at the same seconds...and IS-IS normall routers are exchanging hellos between them at 10 sec....

Hi,everyone!I've read some books about MPLS L2VPN. But I got some confusion about the conception of L2VPN interworking mode: IP and Ethernet.As I know, the differences between the two mode is the payload of the packets which transport in the PW. When...

we define different RT value in spoke PE.I have a question: is there any limitation for the number of route-target import. if I config 50 route-target import under same vrf for all spoke pes, is there problem.thank you!