Cisco 3825 Software Configuration Manual page 188
Mobile wireless edge router
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keepalive
keepalive
To enable keepalive packets and to specify the number of times that the Cisco IOS software tries to send
keepalive packets without a response before bringing down the interface or before bringing the tunnel
protocol down for a specific interface, use the keepalive command in interface configuration mode.
When the keepalive function is enabled, a keepalive packet is sent at the specified time interval to keep
the interface active. To turn off keepalive packets entirely, use the no form of this command.
Syntax Description
period
retries
Defaults
period: 10 seconds
retries: 5
If you enter only the keepalive command with no arguments, the defaults for both arguments are used.
If you enter only the keepalive command and the timeout (period) parameter, the default number of
retries (5) is used.
If you enter the no keepalive command, keepalive packets are disabled on the interface.
Command Modes
Interface configuration
Command History
Release
10.0
12.2(8)T
12.2(8)MC2
12.2(13)
12.2(15)MC1
12.3(11)T
Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide
A-56
keepalive [period [retries]]
no keepalive [period [retries]]
(Optional) Integer value in seconds greater than 0. The default is 10.
(Optional) Number of times that the device will continue to send keepalive
packets without response before bringing the interface down. The integer
value is greater than 1 and less than 255. If omitted, the value that was
previously set is used; if no value was specified previously, the default value
of 5 is used.
If this command is used with a tunnel interface, then this variable specifies
the number of times that the device will continue to send keepalive packets
without response before bringing the tunnel interface protocol down.
Modification
This command was introduced.
The retries argument was added and made available on tunnel interfaces.
This command was incorporated.
The default value for the retries argument was increased to 5.
This command was incorporated.
This command was incorporated.
Appendix A
Cisco 3825 Mobile Wireless Edge Router RAN-O Command Reference
OL-15667-03
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