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interface tunnel
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Enter interface tunnel configuration mode, create an interface tunnel if it does not exist, or delete an interface tunnel or sub-interface.
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keepalive (GRE tunnel)
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Enable the tunnel keepalive feature.
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tunnel checksum
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Add a checksum to the GRE header of packets traveling through the tunnel.
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tunnel destination
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Set the destination address of the tunnel.
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tunnel dscp
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Assign a DSCP value to packets traveling through the tunnel.
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tunnel key
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Enable and set an ID key for the tunnel.
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tunnel mode
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Specify the encapsulation method of the tunnel. This command is only included for future development, and for conformity with other systems. Currently, the tunnel can only perform GRE encapsulation.
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tunnel path-mtu-discovery
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Enable dynamic MTU discovery by the tunnel.
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tunnel source
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Set the source address of the tunnel.
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tunnel ttl
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Assign a TTL value to packets traveling through the tunnel.
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show interfaces
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Show interface configuration and statistics for a particular tunnel or all GRE tunnels.
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