Example 4: Mpls Virtual Private Networks - Cisco 10000 Series Configuration Manual

Chapter 18 Configuration Examples

Example 4: MPLS Virtual Private Networks

Configuring BGP Routing Sessions
To configure BGP routing sessions in a provider network, use the following commands in router
configuration mode on the PE router:
Configure the BGP routing process with the autonomous system number.
Router(config)# router bgp 42
Specify a neighbor's IP address or BGP peer group, identifying it to the local autonomous system.
Router(config-router)# neighbor 200.28.28.40
Activate the advertisement of the IPv4 address family.
Router(config-router)# neighbor 200.28.28.40 activate
Configuring PE to PE Routing Sessions
To configure PE to PE routing sessions in a provider network, use the following commands in router
configuration mode on the PE router:
Define IBGP parameters for VPNv4 network-layer reachability information (NLRI) exchange.
Router(config-router)# address-family vpnv4 unicast
Define an IBGP session to exchange VPNv4 NLRIs.
Router(config-router-af)# neighbor 200.28.28.45 remote-as 48
Router(config-router-af)# exit
Activate the advertisement of the IPv4 address family.
Router(config-router)# neighbor 200.28.28.45 activate
Configuring BGP PE to CE Routing Sessions
To configure BGP PE to CE routing sessions, use the following commands in router configuration mode
on the PE router:
Define EBGP parameters for PE to CE routing sessions.
Router(config-router)# address-family ipv4 unicast vrf go_fast_internet_company
Define an EBGP session between PE and CE routers and activate the advertisement of the IPv4 address
family.
Router(config-router-af)# neighbor 200.28.28.46 remote-as 49
Router(config-router-af)# neighbor 200.28.28.46 activate
Configuring RIP PE to CE Routing Sessions
To configure RIP PE to CE routing sessions, use the following commands in router configuration mode
on the PE router:
Enable RIP, define RIP parameters for PE to CE routing sessions, and enable RIP on the PE to CE link.
Router(config)# router rip
Router(config-router)# address-family ipv4 unicast vrf go_fast_internet_company
Router(config-router-af)# network 200.28.28.47
Cisco 10000 Series Router Line Card Configuaration Guide
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