ip ospf message-digest-key

Last Updated : Oct 26, 2015 |
Specifies the message-digest key for the interface. This command enables OSPF MD5 authentication. Use no ip ospf message-digest-key to remove an old MD5 key.
Prolog information
Metadata
Keywords:

Syntax

ip ospf message-digest-key key_id algorithm key
no ip ospf message-digest-key key_id

Parameters

Parameter
Description
Possible Values
Default Value
key_id
The OSPF key ID
1-255
10
algorithm
The authentication algorithm
md5
key
The OSPF password

User level

read-write

Context

interface:FastEthernet (L2-L3, L3, PPP L2-L3, PPP L3), VLAN (L2-L3, L3), Loopback (L2-L3, L3), Tunnel (L2-L3, L3), Dialer (L2-L3, L3)

Example

To specify the message-digest key to be 3 with password mypwd:
Gxxx-001(if:FastEthernet )# ip ospf message-digest-key 3 md5 mypwd