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MPLS over PPP protcol

Dear All,

I have MPLS network, the routers are being used cisco ASR9000 you are planning  to build a backup link between these router,  the existing link sis fiber link,

The satellite modem has serial interface V.35, we are using cisco router(2921) with smart serial (Hwic) to connect it, this router is necessary   needed to bring the satellite link up, the initial communication between the router and the modem the is  V.25bis to trigger the modem and initiate a link between the other modem at the other end  after the satellite link established , the router build   PPP link between the other end.

This is the configuration on 2921

interface FastEthernet0/0

ip address 192.168.11.99 255.255.255.0

duplex auto

speed auto

1nterface serial0/0

ip address 10.10.100.2 255.255.255.0

encapsulation ppp

ip tcp header-compression iphc-format

no ip mroute-cache

dialer in-band

dialer idle-timeout 30

dialer wait-for-carrier-time 30

dialer map ip 192.168.10.101 name HUB_ HSCU_ 1 101

dialer map  ip 192.168.10.102 name  HUB_ HSCU_ 2 101

dia1er·group 1

fair -Queue 64 256 36

pulse-time 2

IP rtp header-compression iphc-format

!

ip classless

ip route 192.168.10.0 255.255.255.0 ser1a10/0

no ip http server

Since we are using MPLS which is layer 2.5, the 2921 will modify the whole packet and rebuild it and lose the MPLS information 24 bytes then we will the connectivity between the MPLS routers.

My question is there a way to solve the puzzle

Thanks

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Accepted Solutions