3com 3800 Manual Do Utilizador

Use the “show iproute” command to display the current configuration 
of IP unicast routing for the Switch, and for each VLAN. The “show

 

iproute” command displays the currently configured routes, including 
how each route was learned.

Additional verification commands include:

■

show iparp

Displays the IP ARP table of the switch.

■

show ipfdb

Displays the hosts that have been transmitting or have received 
packets, as well as the port and VLAN for each host.

Once IP unicast routing is configured, you can configure the 
Switch 3800 to forward DHCP or BOOTP requests coming from clients 
on subnets being serviced by the Switch 3800 and going to hosts on 
different subnets. This feature can be used in various applications, 
including DHCP services between Windows NT servers and clients 
running Windows 95. To configure the relay function, do the following:

1 Configure VLANs and IP unicast routing.

2 Enable the DHCP or BOOTP relay function, using the following 

command:

3 Configure the addresses to which DHCP or BOOTP requests should be 

directed, using the following command:

4 To delete an entry, use the following command:

To verify the DHCP/BOOTP relay configuration, use the following 
command:

This command displays the configuration of the BOOTP relay service, 
and the addresses that are currently configured.

SW3800.BK  Page 5  Tuesday, May 5, 1998  5:20 PM