We have Cisco 2600 with half duplex mode setting while we plan to have a switch with full duplex mode.
How to set Cisco router to have full duplex mode?
When we plan to change IP address for the whole class C range, what is the best way to do so (considering the router is for Internet connection and lan gateway)? No change on Internet ISP connection side.
Not all of Cisco routers are able to switch to full duplex. The easiest way to tell is to get in enable mode, then config-if mode and use the ?. If your router can be placed in full duplex you will see the command there. If not then you can't. Be aware that I once saw the command full-duplex using the ? on a 2610 router which although did enter full-duplex in the config, did not work. Turn on logging buffered and check the log for duplex mismatch messages to be sure.
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interface we use the VLAN tag to demultiplex the VLANs. The switch needs
to determine which MAC Address table to look in for a forwarding
decision. To do this we require the switch to do...
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