Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] Hardware Address Length field (ARP packets) Hardware Type field (ARP packets) Header Checksum field (IP packets) Header Length field IP packets TCP packets headers EIGRP packet format IP packets flags Fragment Offset field Header Checksum field identifiers Options field options field size TOS total length TTL field IS-IS PDU fields TCP UDP Hedrick, Charles Hello packets EIGRP hold time OSFP 2nd Hello PDUs Area Addresses TLV Authentication Information TLV fields Intermediate System Neighbors TLV IP Interface Address TLV Padding TLV Protocols Supported TLV Hello protocol 2nd HelloInterval hexadecimal numbering system converting to decimal hexadecimal IPv6 representation IP address format hippity bit holddown IGRP RIP holddown timers hop count metric 2nd Hop Limit field (IPv6 packets) host addresses, subnet mask octet boundaries host-to-host layer (TCP/IP) TCP UDP Host-to-Host Layer Protocol hosts IP addresses quantity per subnet requirement, calculating "hot potato" routing hub-and-spoke topologies ODR stub routers Huitema, Christian |