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