Re: OSPF authentication

Go to URL and search for keyword 'authentication'

http://www.cisco.com/en/US/docs/ios/iproute_ospf/configuration/guide/iro_cfg_
ps6441_TSD_Products_Configuration_Guide_Chapter.html

AuthenticationPlain text and message-digest algorithm 5 (MD5)
authentication among neighboring routers within an area is supported.

Routing interface parametersConfigurable parameters supported include
interface output cost, retransmission interval, interface transmit delay,
router priority, router "dead" and hello intervals, and authentication key.

Router(config-if)# ip ospf authentication-key key
 Assigns a password to be used by neighboring OSPF routers on a network
segment that is using the OSPF simple password authentication.

Router(config-if)# ip ospf message-digest-key key-id md5 key
 Enables OSPF MD5 authentication. The values for the key-id and key
arguments must match values specified for other neighbors on a network
segment.

Router(config-if)# ip ospf authentication [message-digest | null]
 Specifies the authentication type for an interface.

--
Garry L. Baker
"With sufficient thrust, pigs fly just fine..." - RFC 1925
On Wed, May 18, 2011 at 4:35 PM, lijo varghese <lijoccie_at_gmail.com> wrote:
> hai
>   can we do 2 types of md5 authentication in ospf ?
> with key in interface and using key chain ?
>
>
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