device# configure terminal
device(config)# interface ethernet 1/2
device(conf-if-eth-1/2)# isis hello-mulitplier level-2 20
The following example changes the hello multiplier to 20 for Level 2 packets for an Ethernet interface.
device# configure terminal device(config)# interface ethernet 1/2 device(conf-if-eth-1/2)# isis hello-mulitplier level-2 20