IS-IS | |
RIP | |
OSPF | |
TCP | |
ARP |
TCP | |
RIP | |
OSPF | |
IS-IS | |
ARP |
send gratuitous ARP on all ports and wait for reply before forwarding | |
flood packet on all ports | |
discard frame | |
compare destination IP address against an ACL to determine if it is permitted | |
send ICMP unreachable message to source |