HP 6125XLG R2306-HP 6125XLG Blade Switch Layer 3 - IP Services Command Referen - Page 242
mtu, Tunnel interface view
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mode ipv6-ipv4 isatap: Specifies ISATAP tunnel mode. Usage guidelines To create a new tunnel interface, you must specify the tunnel mode in this command. To enter the view of an existing tunnel interface, you do not need to specify the tunnel mode. A tunnel interface number is locally significant. The tunnel interfaces on the two ends of a tunnel can use the same or different interface numbers. Examples # Create a GRE over IPv4 tunnel interface Tunnel 1 and enter tunnel interface view. system-view [Sysname] interface tunnel 1 mode gre [Sysname-Tunnel1] Related commands • destination • display interface tunnel • source mtu Use mtu to set the MTU for IPv4 packets on a tunnel interface. Use undo mtu to restore the default. Syntax mtu mtu-size undo mtu Default The MTU value depends on the tunnel interface state. • If the tunnel interface is down, the MTU is 64000 bytes. • If the tunnel interface is up, the MTU is calculated automatically by the system. Views Tunnel interface view Predefined user roles network-admin Parameters mtu-size: MTU for IPv4 packets, in the range of 100 to 64000 bytes. Usage guidelines Set an appropriate MTU to avoid fragmentation. The MTU for the tunnel interface applies only to unicast packets. An MTU set on any tunnel interface is effective on all existing tunnel interfaces. Examples # Set the MTU for IPv4 packets on the interface Tunnel 1 to 10000 bytes. 234