Defining the Tunnel MTU

The tunnel mtu command configures the maximum transmission unit size for the tunnel.

tunnel mtu

• Use to configure the maximum transmission unit size for the tunnel.
• Example

  host1(config-ipsec-tunnel-profile)#tunnel mtu 3000

• Use the no version to restores the default value, an MTU size of 1400 bytes.
• See tunnel mtu.

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