IP-VPN as-overrideの構成・設定

Dynamips/Dynagenを使用して、IP-VPN as-overrideを構成します。

• Topology
  
  
  
  
• Configuration Settings Overview
  
  
  • AS9598のPEルータ R3, R4, R5において、as-overrideを設定
    
    
  • MPLS Label Range設定
    MPLSラベルの遷移が分かりやすいように、以下のようにMPLSラベルを各ルータにアサインする。
    R1 : mpls label range 1000 1999
    R2 : mpls label range 2000 2999
    R3 : mpls label range 3000 3999
    R4 : mpls label range 4000 4999
    R5 : mpls label range 5000 5999
    
    
    
  • show command
    

    R9#traceroute 192.168.108.10 numeric
    Type escape sequence to abort.
    Tracing the route to 192.168.108.10
    VRF info: (vrf in name/id, vrf out name/id)
      1 192.168.67.7 12 msec 16 msec 20 msec
      2 11.4.7.13 44 msec 44 msec 48 msec
      3 10.1.4.1 [MPLS: Labels 1003/5007 Exp 0] 120 msec 132 msec 124 msec
      4 10.1.2.2 [MPLS: Labels 2003/5007 Exp 0] 132 msec 124 msec 132 msec
      5 11.5.8.65 [MPLS: Label 5007 Exp 0] 104 msec 116 msec 108 msec
      6 11.5.8.66 116 msec 128 msec 128 msec
      7 192.168.108.10 144 msec *  152 msec
    

    R8#sh bgp ipv4 unicast
    BGP table version is 3, local router ID is 192.168.108.8
    Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
                  r RIB-failure, S Stale, m multipath, b backup-path, f RT-Filter,
                  x best-external, a additional-path, c RIB-compressed,
    Origin codes: i - IGP, e - EGP, ? - incomplete
    RPKI validation codes: V valid, I invalid, N Not found
    
         Network          Next Hop            Metric LocPrf Weight Path
     *>  192.168.67.0     11.5.8.65                              0 9598 9598 i
     *>  192.168.108.0    0.0.0.0                  0         32768 i
    

  
  
• Dynagen Config File / Router Config

  (0)  Dynagen .net file
  
  (1)  R1
  
  (2)  R2
  
  (3)  R3
  
  (4)  R4
  
  (5)  R5
  
  (6)  R6
  
  (7)  R7
  
  (8)  R8
  
  (9)  R9
  
  (10) R10