Command Reference Guide

24 ● authentication-mode 3Com Router 5000 Family and Router 6000 Family
Command Reference
authentication-mode
Purpose Use the authentication-mode command to configure one area of OSPF to
support the authentication attribute.
Use the undo authentication-mode command to cancel the authentication
attribute of this area.
Syntax authentication-mode { simple | md5 }
undo authentication-mode
Parameters simple
Simple text authentication mode.
md5
MD5 cipher text authentication mode.
Default By default, an area does not support authentication attribute.
Example Enter area 0 view.
[3Com -ospf-1] area 0
Specify the OSPF area 0 to support MD5 cipher text authentication.
[3Com -ospf-1-area-0.0.0.0] authentication-mode md5
View This command can be used in the following views:
■ OSPF Area view
Description All the routers in one area must use the same authentication mode (no
authentication, supporting simple text authentication or MD5 cipher text
authentication). If the mode of supporting authentication is configured, all routers on
the same segment must use the same authentication key. To configure a simple text
authentication key, use the ospf authentication-mode simple command.
And, use the ospf authentication-mode md5 command to configure the MD5
cipher text authentication key if the area is configured to support MD5 cipher text
authentication mode.
Related Command ospf authentication-mode