3com MSR 20-20 참조 매뉴얼

# Create IKE proposal 10 and enter IKE proposal view.

<Sysname> system-view

[Sysname] ike proposal 10

[Sysname-ike-proposal-10] 

ike sa keepalive-timer interval seconds

System view

seconds: Transmission interval of ISAKMP SA keepalives in seconds, in the range 
20 to 28,800.

Use the ike sa keepalive-timer interval command to set the ISAKMP SA 
keepalive interval.

Use the undo ike sa keepalive-timer interval command to disable the 
ISAKMP SA keepalive transmission function.

By default, no keepalive packet is sent.

Note that the keepalive interval configured at the local end must be shorter than 
the keepalive timeout configured at the remote end.

ike sa keepalive-timer timeout.

# Set the keepalive interval to 200 seconds.

<Sysname> system-view

[Sysname] ike sa keepalive-timer interval 200 

ike sa keepalive-timer timeout seconds

System view

seconds: ISAKMP SA keepalive timeout in seconds, in the range 20 to 28,800.

Use the ike sa keepalive-timer timeout command to asset the ISAKMP SA 
keepalive timeout.

Use the undo ike sa keepalive-timer timeout command to disable the 
function.