RE: OSPF Virtual Link & Authentication Verification Command

From: "Griffith
Date: Fri Dec 30 2005 - 12:40:30 GMT-3


Or, "show ip ospf virtual-links", the output of which shows the same last
two lines as ospf interface but less overall info...

-----Original Message-----
From: Bob Sinclair [mailto:bob@bobsinclair.net]
Sent: Thursday, December 29, 2005 2:52 PM
To: Dennis J. Hartmann; ccielab@groupstudy.com
Subject: Re: OSPF Virtual Link & Authentication Verification Command

Dennis,

How about: show ip ospf interface

It will show the type of authentication on the link and the key number being
used.

Here is a sample:

OSPF_VL0 is up, line protocol is up
  Internet Address 172.16.26.2/24, Area 0
  Process ID 1, Router ID 172.16.102.1, Network Type VIRTUAL_LINK, Cost: 1
  Configured as demand circuit.
  Run as demand circuit.
  DoNotAge LSA allowed.
  Transmit Delay is 1 sec, State POINT_TO_POINT,
  Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5
    oob-resync timeout 40
    Hello due in 00:00:02
  Supports Link-local Signaling (LLS)
  Index 1/1, flood queue length 0
  Next 0x0(0)/0x0(0)
  Last flood scan length is 1, maximum is 1
  Last flood scan time is 4 msec, maximum is 4 msec
  Neighbor Count is 1, Adjacent neighbor count is 1
    Adjacent with neighbor 172.16.106.1 (Hello suppressed)
  Suppress hello for 1 neighbor(s)
  Message digest authentication enabled <<<<<<<<<<<<
    Youngest key id is 1 <<<<<<<<<<<<<<

HTH,

Bob Sinclair
CCIE #10427, CCSI 30427
www.netmasterclass.net

  ----- Original Message -----
  From: Dennis J. Hartmann
  To: ccielab@groupstudy.com
  Sent: Thursday, December 29, 2005 2:37 PM
  Subject: OSPF Virtual Link & Authentication Verification Command

      Does anyone remember the command and verification procedure to ensure
  that a virtual-link is using the authentication password?

      I've had scenarios where my virtual-links were up, but improperly
  because the authentication was not configured correctly. Please advise.
  Thanks.

  Sincerely,

  Dennis J. Hartmann
  White Pine Communications
  dh8@pobox.com
  CCSI#23402 / CCVP / CCIP / CCNP
  Cisco Optical, VPN & IDS Specialist
  MCSE

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