Re: STRANGE OSPF ISSUE WITH VL

From: NITIN NITIN (ccie_study_123@yahoo.com)
Date: Sat Aug 11 2007 - 15:51:55 ART


HI ,
   
  My mistake
   
   
  correct config
   
  pasted wrong config
   
   
  R3
   
  router ospf 1
 router-id 150.1.3.3
 log-adjacency-changes
 area 123 virtual-link 150.1.1.1 authentication message-digest
 area 123 virtual-link 150.1.1.1 message-digest-key 1 md5 CISCO
 area 123 virtual-link 150.1.2.2 authentication message-digest
 area 123 virtual-link 150.1.2.2 message-digest-key 1 md5 CISCO
 passive-interface Tunnel3
 network 150.1.3.3 0.0.0.0 area 37
 network 152.1.3.3 0.0.0.0 area 3
 network 152.1.37.3 0.0.0.0 area 37
 network 152.1.123.3 0.0.0.0 area 123
 distance 255 150.1.5.5 0.0.0.0 89

   
  

Herbert Maosa <asawilunda@googlemail.com> wrote:
  Why is R3 building its virtual link to 150.1.3.3 ? Isn't this R3's own Router ID. Looking at your config below, I would expect R3 to have two virtual links, one to 150.1.1.1 and the other to 150.1.2.2 ?

Herbert

  On 8/11/07, NITIN NITIN <ccie_study_123@yahoo.com> wrote: Hi EXPERTS,

  Sorry to bother again, but hope u understand exam is near

  Issue I'm facing now is ----
  R1 and R2 are spokes and R3 is hub

  R3 virtual link is not coming up after router rebbot with R1 , it was up eralier

  WITH R2 ---- VL of R3 is up

  R3-------------

  interface Serial2/0
ip address 152.1.123.1 255.255.255.0
encapsulation frame-relay
ip ospf priority 0
ipv6 address 2001:152:1:123::1/64
ipv6 address FE80::1 link-local
ipv6 rip RIPng enable
serial restart-delay 0
no fair-queue
frame-relay traffic-shaping
frame-relay map ipv6 FE80::2 103
frame-relay map ipv6 FE80::3 103
frame-relay map ipv6 2001:152:1:123::2 103
frame-relay map ipv6 2001:152:1:123::3 103 broadcast
frame-relay interface-dlci 103
  class R1

  router ospf 1
router-id 150.1.1.1
max-metric router-lsa
log-adjacency-changes
area 123 virtual-link 150.1.3.3 authentication message-digest
area 123 virtual-link 150.1.3.3 message-digest-key 1 md5 CISCO
network 150.1.1.1 0.0.0.0 area 123
network 152.1.123.1 0.0.0.0 area 123
network 152.1.125.1 0.0.0.0 area 0
distribute-list 1 in Serial2/0

  R2-----

  router ospf 1
router-id 150.1.2.2
log-adjacency-changes
area 123 virtual-link 150.1.3.3 authentication message-digest
area 123 virtual-link 150.1.3.3 message-digest-key 1 md5 CISCO
network 150.1.2.2 0.0.0.0 area 123
network 152.1.123.2 0.0.0.0 area 123
network 152.1.125.2 0.0.0.0 area 0
default-information originate always
distribute-list 1 in Serial2/0
!

  R1----

  router ospf 1
router-id 150.1.1.1
max-metric router-lsa
log-adjacency-changes
area 123 virtual-link 150.1.3.3 authentication message-digest
area 123 virtual-link 150.1.3.3 message-digest-key 1 md5 CISCO
network 150.1.1.1 0.0.0.0 area 123
network 152.1.123.1 0.0.0.0 area 123
network 152.1.125.1 0.0.0.0 area 0
distribute-list 1 in Serial2/0

  ISSUE

  Rack1R3# sh ip ospf virtual-links
Virtual Link OSPF_VL7 to router 150.1.2.2 is up
  Run as demand circuit
  DoNotAge LSA allowed.
  Transit area 123, via interface Serial2/0, Cost of using 64
  Transmit Delay is 1 sec, State POINT_TO_POINT,
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    Hello due in 00:00:08
    Adjacency State FULL (Hello suppressed)
    Index 1/4, retransmission queue length 0, number of retransmission 0
    First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0)
    Last retransmission scan length is 0, maximum is 0
    Last retransmission scan time is 0 msec, maximum is 0 msec
Virtual Link OSPF_VL6 to router 150.1.1.1 is down
  Run as demand circuit
  DoNotAge LSA allowed.
  Transit area 123, Cost of using 65535
  Transmit Delay is 1 sec, State DOWN,
  Timer intervals configured, Hello 10, Dead 40, Wa

  Rack1R1#sh ip ospf virtual-links
Virtual Link OSPF_VL2 to router 150.1.3.3 is up
  Run as demand circuit
  DoNotAge LSA allowed.
  Transit area 123, via interface Serial2/0, Cost of using 65535
  Transmit Delay is 1 sec, State POINT_TO_POINT,
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    Hello due in 00:00:04

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