Saturday, April 14, 2012

config b/n PE to CE


  • create vrf & apply to interfaces
  • create ip vrf by command
    •  ip vrf A  in global mode
  • Route Distinguishers
    • goal is to make the prefix unique in entire mpls network
  • formate of RD changed based on service provider
    • AS followed by locally significant number
    • router-id followed by locally significant number
  •  rd config
    • rd 200:1  /** config under ip vrf A
    • rd 200:2
  • apply vrfs to interfaces 
    • int e0/0
    •    ip vrf forwarding A
    •    ip address 1.1.1.1 255.255.255.0    /** reenter ip add because enabling of vrf on interface remove the ip add of the interface
    • sh ip route    /*** global routing table shows the separate tables for the each customer
  • sh route | in interface | in ip address
  • under the igp process enable seperate address family
    • router eigrp    /**under given igp route process
    •   address-family ipv4 vrf A
    • sh ip vrf detail
  • sh ip route vrf *    /** sh all vrf routing tables
  • address-family ip v4 vrf / vpv4