Sunday, July 22, 2012

Easy Configuration of MPLS in Cisco Router

Easy Configuration of MPLS in Cisco Router
Ten Step Basic configuration for MPLS
Easy Configuration of MPLS in Cisco Router
Current configuration:
!
version 12.2
!
hostname Pescara
!
ip cef
!

!--- Customer A commands.
ip vrf Customer_A
!--- Enables the VPN routing and forwarding (VRF) routing table. !--- This command can be used in global or !--- router configuration mode.
rd 100:110
!--- Route distinguisher creates routing and forwarding !--- tables for a VRF.
route-target export 100:1000
!--- Creates lists of import and export route-target extended !--- communities for the specified VRF.
route-target import 100:1000
!

!--- Customer B commands.
ip vrf Customer_B
rd 100:120
route-target export 100:2000
route-target import 100:2000
!
interface Loopback0
ip address 10.10.10.4 255.255.255.255
ip router isis

!--- Customer A commands.
interface Loopback101
ip vrf forwarding Customer_A
!--- Associates a VRF instance with an interface or subinterface.
ip address 200.0.4.1 255.255.255.0
!--- Loopback101 and 102 use the same IP address, 200.0.4.1. !--- This is allowed because they belong to two !--- different customers' VRFs.
no ip directed-broadcast
!

!--- Customer B commands.
interface Loopback102
ip vrf forwarding Customer_B
ip address 200.0.4.1 255.255.255.0
!--- Loopback101 and 102 use the same IP address, 200.0.4.1. !--- This is allowed because they belong to two !--- different customers' VRFs.
no ip directed-broadcast
!
interface Serial2/0
no ip address
no ip directed-broadcast
encapsulation frame-relay
no fair-queue
!
interface Serial2/0.1 point-to-point
description link to Pauillac
bandwidth 512
ip address 10.1.1.14 255.255.255.252
no ip directed-broadcast
ip router isis
tag-switching ip
frame-relay interface-dlci 401  
!
router isis
net 49.0001.0000.0000.0004.00
is-type level-1
!        
router bgp 100
bgp log-neighbor-changes
!--- Enables logging of BGP neighbor resets.
neighbor 10.10.10.6 remote-as 100
!--- Adds an entry to the BGP or multiprotocol BGP neighbor table.
neighbor 10.10.10.6 update-source Loopback0
!--- Enables BGP sessions to use a specific operational !--- interface for TCP connections.
!

!--- Customer A and B commands.
address-family vpnv4
!--- To enter address family configuration mode !--- for configuring routing sessions, such as BGP, !--- that use standard VPN version 4 address prefixes.
neighbor 10.10.10.6 activate
neighbor 10.10.10.6 send-community both
!--- Sends the community attribute to a BGP neighbor.
exit-address-family
!

!--- Customer B commands.
address-family ipv4 vrf Customer_B
!--- To enter address family configuration mode !--- for configuring routing sessions, such as BGP, !--- that use standard VPN version 4 address prefixes.
redistribute connected
no auto-summary
no synchronization
exit-address-family
!

!--- Customer A commands.
address-family ipv4 vrf Customer_A
redistribute connected
no auto-summary
no synchronization
exit-address-family
!
ip classless
!
end

6 comments:

  1. Thank you for the info. It sounds pretty user friendly. I guess I’ll pick one up for fun. thank u







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  2. This information which you provided is very much useful for us.It was very interesting and useful for CISCO online training.We also providing qa online training institute in USA.

    ReplyDelete