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General Configuration Using Local Management
CSX200 Family User’s Guide
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3.
Use the arrow keys to highlight the SAVE command field at the bottom of the screen and then 
press ENTER. The message “SAVED OK” displays.
Setting the Maximum Transmission Unit (MTU)
The Maximum Transmission Unit specifies the maximum packet size for all IP packets that are 
transmitted.
To select the MTU for a port, complete the following steps:
1.
Use the arrow keys to highlight the MTU option under Port Level Setup.
2.
ENTER an MTU value for the media used.
3.
Use the arrow keys to highlight the SAVE command field at the bottom of the screen, then press 
ENTER. The message “SAVED OK” displays.
Enabling IP Routing Services on a Port
The ability to switch IP Routing Services on and off on a port-by-port basis provides great 
flexibility. On the same device, some ports can be routing IP traffic while other ports are bridging 
it. As you are in transition from a bridged network to a routed network, this flexibility allows you 
to implement IP routing and test your routing configuration on a port-by-port basis. If necessary, 
you can temporarily disable the IP routing on any port without losing your configuration, or you 
can temporarily switch from IP routing back to bridging.
To enable IP Routing Services on a router port, complete the following steps:
1.
Use the arrow keys to highlight the IP Routing option.
2.
Use the ENTER key to toggle the entry to ENABLED.
3.
Use the arrow keys to highlight the SAVE command field at the bottom of the screen, and then 
press ENTER. The message “SAVED OK” displays.
Enabling IP Forwarding on a Port
By default, IP Forwarding is disabled on each router port. Your device does not begin forwarding 
IP data packets on any router port until you enable IP Forwarding on that port.
To enable IP Forwarding on a router port, complete the following steps:
1.
Use the arrow keys to highlight the IP Forwarding option under Port Level Setup.
2.
Use the ENTER key to toggle the entry to ENABLED.