Command Reference Guide

3Com Router 5000 Family and Router 6000 Family exchange-mode ● 135
Command Reference
exchange-mode
Purpose Use the exchange-mode command to select an IKE negotiation mode.
Use the undo exchange-mode command to restore the default negotiation mode.
By default, main mode is adopted.
Syntax exchange-mode { aggressive | main }
undo exchange-mode
Parameters aggressive
Aggressive mode
main
Main mode.
Example Adopt the main mode for IKE negotiation.
[Router] ike peer new_peer
[RouterA-ike-peer-new_peer] exchange-mode main
View This command can be used in the following views:
■ IKE-Peer view
Description In main mode, you can only use IP address to perform IKE negotiation and to create
an SA. It is applicable to the situation in which both ends of a tunnel have fixed IP
addresses.
In IKE aggressive mode, you can use both IP addresses and name to perform IKE
negotiation and to create an SA. If the user at one end of a security tunnel obtains IP
address automatically (for example, a dial-up user), IKE negotiation mode must be set
to aggressive. In this case, you can create an SA as long as the username and
password are correct.
Related Command id-type