Cisco Cisco IOS Software Release 12.2(27)SBC
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Generic Routing Encapsulation (GRE) Tunnel
Keepalive
Keepalive
The GRE Tunnel Keepalive feature provides the capability of configuring keepalive packets to be sent
over IP-encapsulated GRE tunnels. You can specify the rate at which keepalives will be sent and the
number of times that a device will continue to send keepalive packets without a response before the
interface becomes inactive. GRE keepalive packets may be sent from both sides of a tunnel or from just
one side.
over IP-encapsulated GRE tunnels. You can specify the rate at which keepalives will be sent and the
number of times that a device will continue to send keepalive packets without a response before the
interface becomes inactive. GRE keepalive packets may be sent from both sides of a tunnel or from just
one side.
Configuration Information
Configuration information is included in the “Implementing Tunnels” chapter in the
, Release 12.4, at the following URL:
Command Reference Information
This section documents modified commands.
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