[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Z] failures IGRP troubleshooting, see troubleshooting 2nd 3rd fast switching 2nd 3rd 4th FC (feasibility condition) EIGRP (Enhanced Interior Gateway Routing Protocol) DUAL finite state machines FD ( feasible distance) EIGRP (Enhanced Interior Gateway Routing Protocol) 2nd DUAL finite state machines feasibility condition (FC) EIGRP (Enhanced Interior Gateway Routing Protocol) feasible distance (FD) EIGRP (Enhanced Interior Gateway Routing Protocol) 2nd feasible successor EIGRP 2nd 3rd diffusing computations 2nd 3rd DUAL finite machine feasible successors EIGRP (Enhanced Interior Gateway Routing Protocol) 2nd 3rd 4th 5th diffusing computations 2nd 3rd 4th 5th 6th 7th 8th 9th 10th feedback (route) 2nd fields CLV, see CLV fields LSAs OSPF 2nd OSPF NSSA ( not-so-stubby area) external LSAs PDUs (protocol data units) RIPv2 (Routing Information Protocol Version 2) 2nd 3rd 4th 5th 6th TCP 2nd 3rd TLVs EIGRP packets 2nd 3rd filtering (route) 2nd 3rd bridges distances 2nd 3rd firewalls mutual redistribution 2nd 3rd 4th protocol migration 2nd 3rd 4th 5th 6th 7th 8th 9th redistribution multiple points 2nd 3rd 4th 5th 6th 7th 8th 9th 10th specific routes 2nd 3rd 4th 5th 6th 7th 8th filters access lists 2nd 3rd 4th 5th calling 2nd 3rd 4th 5th 6th configuration lines deny any 2nd editing 2nd extended IP 2nd 3rd 4th 5th 6th 7th 8th 9th ICMP 2nd 3rd 4th identifying 2nd 3rd 4th 5th 6th keywords 2nd monitoring 2nd 3rd 4th named 2nd 3rd permit any sequential execution 2nd standard IP 2nd 3rd 4th 5th 6th 7th 8th 9th TCP 2nd 3rd 4th UDP 2nd 3rd 4th security (access lists) 2nd traffic (access lists) 2nd finite state machine EIGRP (Enhanced Interior Gateway Routing Protocol) 2nd 3rd 4th 5th 6th 7th 8th 9th firewalls (route filters) first octet rule IP addresses 2nd 3rd 4th 5th 6th flags DUAL finite state machines query origin reply status EIGRP diffusing computations EIGRP packets External Routes TLV IP packets TCP flapping (route) flapping (route) flash updates, see triggered updates floating static routes 2nd 3rd 4th flooding link-state routing protocols 2nd 3rd 4th aging 2nd 3rd sequencing 2nd 3rd 4th 5th OSPF acknowledgements 2nd 3rd 4th checksums 2nd MaxAge 2nd 3rd 4th sequence numbers 2nd OSPF (Open Shortest Path First) 2nd flow timers multicast flush timer RIP (Routing Information Protocol) flush timers IGRP (Interior Gateway Routing Protocol) Ford-Fulkerson algorithms Forwarding Address field OSPF NSSA (not-so-stubby area) external LSAs forwarding addresses OSPF autonomous system external LSAs forwarding databases, see route tables Fragment Offset IP packets fragmented LSPs fragmenting IP packets Frame Relay administrative distances redistribution inverse ARP OSPF NBMA 2nd frames access lists, see access lists LANs (local area networks) 2nd Full neighbor states OSPF (Open Shortest Path First) full routing table updates distance vector routing protocols functional protocols (TCP/IP) functions IS-IS subnetwork-dependent sublayer 2nd 3rd subnetwork-independent sublayer 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th |