Configuring Bgp Pe To Ce Routing Sessions - Cisco ME 3400 Software Configuration Manual
Ethernet access switch
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- Command reference manual (950 pages) ,
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Configuring Multi-VRF CE
To configure an EIGRP routing process to run within a VRF instance, you must configure an
Note
autonomous-system number by entering the autonomous-system autonomous-system-number
address-family configuration mode command.
Beginning in privileged EXEC mode, follow these steps to configure OSPF in the VPN:
Command
Step 1
configure terminal
Step 2
router ospf process-id vrf vrf-name
Step 3
log-adjacency-changes
Step 4
redistribute bgp
autonomous-system-number subnets
Step 5
network network-number area area-id
Step 6
end
Step 7
show ip ospf process-id
Step 8
copy running-config startup-config
Use the no router ospf process-id vrf vrf-name global configuration command to disassociate the VPN
forwarding table from the OSPF routing process.
Configuring BGP PE to CE Routing Sessions
Beginning in privileged EXEC mode, follow these steps to configure a BGP PE to CE routing session:
Command
Step 1
configure terminal
Step 2
router bgp autonomous-system-number
Step 3
network network-number mask
network-mask
Step 4
redistribute ospf process-id match
internal
Step 5
network network-number area area-id
Step 6
address-family ipv4 vrf vrf-name
Step 7
neighbor address remote-as as-number
Step 8
neighbor address activate
Step 9
end
Cisco ME 3400 Ethernet Access Switch Software Configuration Guide
35-90
Purpose
Enter global configuration mode.
Enable OSPF routing, specify a VPN forwarding table, and enter router
configuration mode.
(Optional) Log changes in the adjacency state. This is the default state.
Set the switch to redistribute information from the BGP network to the
OSPF network.
Define a network address and mask on which OSPF runs and the area
ID for that network address.
Return to privileged EXEC mode.
Verify the configuration of the OSPF network.
(Optional) Save your entries in the configuration file.
Purpose
Enter global configuration mode.
Configure the BGP routing process with the AS number passed to other
BGP routers, and enter router configuration mode.
Specify a network and mask to announce using BGP.
Set the switch to redistribute OSPF internal routes.
Define a network address and mask on which OSPF runs and the area
ID for that network address.
Define BGP parameters for PE to CE routing sessions, and enter VRF
address-family mode.
Define a BGP session between PE and CE routers.
Activate the advertisement of the IPv4 address family.
Return to privileged EXEC mode.
Chapter 35
Configuring IP Unicast Routing
OL-9639-07
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