[c-nsp] ospf authentication

[Rick Ernst]

As a safety-net, don't write the config to NVRAM, and use tip #3 from:
  http://www.oreillynet.com/pub/a/network/2002/01/02/ciscotips.html

If you blow up the config, the router will reboot. If everything goes well,
you cancel the scheduled reboot.


On Mon, 1 Aug 2005, Collins Richard, SLC SBS ITO (SHA) wrote:

:>Yes authentication will only then take effect.  I just wouldn't know which
:>area 0 is the 'real' area 0 during the transition-the area 0 which is still
:>operating without authentication or the area 0 which is now doing
:>authentication.
:>
:>Rich
:>
:>>Hi there...
:>>I need to bring up OSPF authentication network wide and just wanted to
:>confirm something....
:>>If I go around to each interface on each router and add a "ip ospf
:>message-digest-key 1 md5 kal" therefore setting up a password using MD5 etc.
:>It's not until I add "area 0 authentication message-digest" into our "router
:>ospf 1" section that this actually takes effect right?
:>>Because a number of these routers are remote, you can understand that I
:>need to be careful bringing up authentication..;)
:>>interface Loopback0
:>>  ip address 70.70.70.70 255.255.255.255
:>> !
:>> interface Serial2
:>>  ip address 192.16.64.2 255.255.255.0
:>>  ip ospf message-digest-key 1 md5 kal
:>> !
:>> router ospf 10
:>>  network 192.16.64.0 0.0.0.255 area 0
:>>  network 70.0.0.0 0.255.255.255 area 0
:>> area 0 authentication message-digest
:>>
:>>Thanks,
:>>Paul Stewart
:>>Network Specialist
:>>Nexicom Inc.
:>>http://www.nexicom.net/
:>
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