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Command Reference Guide
keepalive
Use the keepalive command to periodically send keepalive packets to verify the integrity of the tunnel
from end to end. Use the no form of this command to disable keepalives. Variations of this command
include:
keepalive
keepalive <value>
keepalive <value> <number>
Syntax Description
<value>
<number>
Default Values
By default, keepalives are disabled. When enabled, the keepalive period defaults to 10 seconds and the
retry count defaults to 3 times.
Command History
Release 9.1
Functional Notes
Keepalives do not have to be configured on both ends of the tunnel in order to work. A tunnel is not aware
of incoming keepalive packets.
Usage Examples
The following example enables keepalive with a period of 30 seconds and a retry count of 5 times:
(config)#interface tunnel 1
(config-tunnel 1)#keepalive 30 5
60000CRG0-35E
Defines the time interval (in seconds) between transmitted keepalive
packets. Valid range is 1 to 32767 seconds.
Defines the number of times to retry after failed keepalives before
determining that the tunnel endpoint is down. Valid range is 1 to 255 times.
Command was introduced.
Copyright © 2012 ADTRAN, Inc.
Tunnel Interface Command Set
2674
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