3com 8807 Reference Guide

OSPF view

Vlan-interface: Specifies the VLAN interface

Vlan-interface-number: Specifies the VALAN interface number.

default: All interfaces.

Use the silent-interface command to disable an interface to transmit OSPF 
packets. Use the undo silent-interface command to restore the default setting.

By default, the interface is enabled to transmit OSPF packets.

You can use this command to disable an interface to transmit OSPF packets, so as 
to prevent the router on some network from receiving the OSPF routing 
information. On a switch, this command can disable/enable a VLAN interface to 
send OSPF packets.

# Disable interface Vlan-interface 20 to transmit OSPF packets.

[3Com-ospf-1] silent-interface Vlan-interface 20 

# Disable all ports from sending OSPF packets.

[3Com-ospf-1] silent-interface default 

sham-link source-ip destination-ip dead minimal multi-hello packets

undo sham-link source-ip destination-ip

OSPF area view

sham-link: Sham-link link.

source-ip: Source IP address.

destination-ip: Destination IP address.

dead: Dead interval time.

minimal: Sends multiple Hello packets within 1 second. The fixed dead interval is 
1 second.

multi-hello: Sends multiple Hello packets.

packets: Number of sent Hello packets, in the range of 3 to 10.