Port Configuration Commands 39
2 Switching Commands
mtu
Use the mtu command to set the maximum transmission unit (MTU) size, in bytes, for frames
that ingress or egress the interface. You can use the
mtu command to configure jumbo frame
support for physical and port-channel (LAG) interfaces. For the standard D-Link Unified
Wired/Wireless Access System implementation, the MTU size is a valid integer between 1522
- 9216 for tagged packets and a valid integer between 1518 - 9216 for untagged packets.
NOTE: To receive and process packets, the Ethernet MTU must include any extra
bytes that Layer-2 headers might require. To configure the IP MTU size,
which is the maximum size of the IP packet (IP Header + IP payload), see “ip
mtu” on page 124.
Default 1518 (untagged)
Format
mtu <1518-9216>
Mode Interface Config
no mtu
This command sets the default MTU size (in bytes) for the interface.
Format
no mtu
Mode Interface Config
shutdown
This command disables a port.
NOTE: You can use the shutdown command on physical and port-channel (LAG)
interfaces, but not on VLAN routing interfaces.
Default enabled
Format
shutdown
Mode Interface Config
no shutdown
This command enables a port.
Format
no shutdown
Mode Interface Config
shutdown all
This command disables all ports.
NOTE: You can use the shutdown all command on physical and port-channel
(LAG) interfaces, but not on VLAN routing interfaces.
Default enabled
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