HP MSR Series Command Reference Manual page 488

Layer 3 ip services command reference (v7)

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times: Sets the keepalive number in the range of 1 to 255. The default value is 3.

Usage guidelines

This command enables the tunnel interface to send keepalive packets at the specified interval. If the

device receives no response from the peer within the timeout time, it shuts down the local tunnel interface.

The device brings the local tunnel interface up if it receives a keepalive acknowledgment packet from the

peer. The timeout time is the result of multiplying the keepalive interval by the keepalive number.

The device always acknowledges the keepalive packets it receives whether or not GRE keepalive is

GRE/IPv6 mode tunnel interfaces do not support this command.

# Enable GRE keepalive, set the keepalive interval to 20 seconds, and set the keepalive number to 5.

<Sysname> system-view

[Sysname] interface tunnel 2 mode gre

[Sysname-Tunnel2] keepalive 20 5