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DES-7200 Configuration Guide Chapter 2 Configuring BGP IP VPN
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2.5.11.3 Configuration tips
Configure basic BGP/MPLS VPN for First Carrier
z Enable CSC function
z Configure Second Carrier
z Configure user access
2.5.11.4 Configuration steps
Configure basic BGP/MPLS VPN for First Carrier
Please refer to the section of "Configuring Basic BGP/MPLS VPN Functions" for the example of
"Second Carrier provides Internet service based on MPLS core".
Enable CSC function
Please refer to the section of "Enable CSC Function" for the example of "Second Carrier
provides Internet service based on MPLS core".
Configure Second Carrier
Configure MPLS network: Please refer to the section of "Configure MPLS Network" for the
example of "Second Carrier provides Internet service based on IP core". Configuration objects
are CE1, CE2 and PEs (3-6).
Note
You need to enable LDP on CSC-CE in order to establish sessions with
other intra-site devices in order to build MPLS network. If CSC-CE and
CSC-PE use BGP to exchange routes, then you must execute
"advertise-labels for bgp-routes" on CSC-CE to allow LDP to distribute
labels for BGP routes.
Configure MP-IBGP neighbor: Please refer to the section of "Configure MP-IBGP Neighbor" for
the example of "Second Carrier provides Internet service based on IP core". Configure the
MP-IBGP adjacencies between PE3, PE4, PE5 and PE6.
Configure user access
The configurations of this section involve VRF configuration, PE-CE route exchanging
configuration and etc. These configurations are the same as that of BGP/MPLS VPN. Here we
will connect CE3 with PE3.