[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [Z] I-bits DD packets OSPF ICMP (Internet Control Message Protocol) 2nd 3rd access list 2nd 3rd 4th Destination Unreachable Echo Reply Echo Request redirect 2nd 3rd Router Discovery Protocol idbq identification access lists 2nd 3rd 4th 5th 6th identifiers data link ARP (Address Resolution Protocol) data links (MAC) 2nd 3rd IP packets 2nd RIP (Routing Information Protocol) RIPv2 (Routing Information Protocol Version 2) static routing protocol conflicts zsee also addresses IDs External Routes TLV IS-IS (Intermediate System-to-Intermediate System) neighbors PDUs (protocol data units) link-state OSPF link-state database 2nd link-state protocols LSAs OSPF LSPs (link-state PDUs) OSPF 2nd 3rd 4th (Open Shortest Path First) 2nd areas 2nd loopback interfaces 2nd neighbors process IDs 2nd OSPF packets (Open Shortest Path First) 2nd OSPF passwords router LSAs OSPF OSPFs IDsIS-IS (Intermediate System-to-Intermediate System) 2nd IETF OSPF, see OSPF ignore-lsp-errors command IGP OSPF, see OSPF IGPs (Interior Gateway Protocols) 2nd IGRP (Interior Gateway Routing Protocol) 2nd 3rd autonomous systems 2nd 3rd 4th 5th configuring 2nd 3rd 4th 5th 6th maximum paths 2nd 3rd 4th multiple 2nd 3rd 4th unequal -cost load balancing 2nd 3rd 4th 5th 6th 7th metrics 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th packets 2nd 3rd 4th 5th 6th 7th 8th 9th redistribution RIP configuration 2nd 3rd 4th routes 2nd 3rd 4th 5th timers 2nd 3rd 4th troubleshooting 2nd intermittent failures 2nd 3rd unequal-cost load balancing 2nd 3rd 4th 5th zsee also EIGRP iidbq implicit acknowledgments OPSF adjacencies OPSF flooding implicit deny route maps implicit deny any (access lists) 2nd in keyword Inactivity Timer OSPF neighbors (Open Shortest Path First) infinite keyword infinite metrics InfTransDelay OSPF (Open Shortest Path First) 2nd Init neighbor states OSPF (Open Shortest Path First) initialization bit EIGRP diffusing computation input events DUAL finite machine 2nd DUAL finite state machines integrated IS-IS (Intermediate System-to-Intermediate System) 2nd 3rd 4th 5th 6th 7th ***combine with IS-IS adjacencies 2nd 3rd areas 2nd 3rd 4th 5th 6th 7th 8th Area ID 2nd System ID Integrated IS-IS configuring 2nd 3rd 4th 5th 6th 7th 8th 9th areas 2nd 3rd authentication 2nd 3rd 4th 5th 6th 7th default routes 2nd 3rd 4th 5th 6th 7th route summarization 2nd 3rd 4th integrated IS-IS Decision process 2nd 3rd 4th 5th 6th 7th 8th DRs (designated routers) 2nd 3rd 4th 5th functions subnetwork-dependent sublayer 2nd 3rd subnetwork-independent sublayer 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th neighbors 2nd 3rd NETs (network entity titles) 2nd 3rd 4th 5th 6th OSPF comparisons 2nd PDUs (protocol data units) 2nd 3rd 4th Integrated IS-IS troubleshooting 2nd 3rd adjacencies 2nd 3rd link-state databases 2nd 3rd 4th 5th 6th 7th NBMA networks 2nd 3rd 4th 5th 6th 7th 8th integrated IS-IS Update process 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th 14th Inter-Domain Information Type CLV LSPs (link-state PDUs) Inter-Domain Routing Protocol Information CLV LSPs (link-state PDUs) 2nd interarea paths OSPF (Open Shortest Path First) interarea summarization OSPF (Open Shortest Path First) 2nd interarea traffic OSPF areas interface e0 command Interface MTU DD packets OSPF interfaces loopback OSPF configurations 2nd 3rd 4th 5th 6th 7th 8th OSPF (Open Shortest Path First) 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th neighbors states 2nd 3rd RIP (Routing Information Protocol) 2nd 3rd 4th summarization redistribution configurations zsee also links Interior Gateway Protocols (IGPs) 2nd Interior Gateway Routing Protocol, see IGRP 2nd 3rd interior routes IGRP (Interior Gateway Routing Protocol) 2nd 3rd Intermediate System Neighbors CLV Hello PDUs 2nd 3rd LSPs (link-state PDUs) internal routers OSPF areas internal routes IS-IS Internal Routes TLV EIGRP 2nd 3rd 4th 5th 6th Internet Control Message Protocol, see ICMP internet layer TCP/IP internetworks IP addresses 2nd 3rd 4th 5th route tables 2nd routers 2nd data links packets 2nd 3rd 4th protocols static routing 2nd 3rd 4th 5th administrative distances 2nd 3rd alternate routes 2nd 3rd 4th 5th floating routes 2nd 3rd 4th load sharing 2nd 3rd 4th 5th 6th 7th 8th 9th 10th protocol conflicts 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th recursive lookups 2nd 3rd 4th 5th summary routes 2nd 3rd tracing failures 2nd 3rd 4th 5th 6th 7th intra-area paths OSPF (Open Shortest Path First) intra-area traffic OSPF areas Intradomain Routing Protocol Discriminator invalid timer RIP (Routing Information Protocol) invalid timers administrative distances redistribution 2nd IGRP (Interior Gateway Routing Protocol) invalid updates RIPv2 2nd invalidation timers distance vector routing protocols 2nd inverse ARP OSPF NBMA 2nd inverse masks access lists 2nd 3rd OSPF (Open Shortest Path First) 2nd IP access lists extended, see extended IP access lists policy routing standard, see standard IP access lists addresses 2nd 3rd 4th 5th internetworks 2nd 3rd 4th 5th masks 2nd 3rd 4th 5th 6th OSPF OSPF neighbors reverse ARP RIP RIPv2 subnet masks, see subnet masks subnets 2nd 3rd 4th 5th 6th 7th 8th packets flags Fragment Offset header checksum 2nd header length 2nd identifiers 2nd options field 2nd padding TOS (Type of Service) 2nd total length TTL (Time to Live) 2nd 3rd 4th Routing Information Protocol, see RIP routing protocols TLVs EIGRP packets 2nd 3rd 4th 5th 6th 7th 8th 9th 10th 11th 12th 13th versions ip access- group command ip accounting access-violations command commands ip accounting access-violations ip authentication key-chain eigrp command ip authentication mode eigrp md5 command ip bandwidth-percent eigrp command 2nd commands ip bandwidth-percent eigrp IP External Reachability Information CLV LSPs (link-state PDUs) ip hello-interval eigrp command ip hold-time eigrp command IP Interface Address CLV Hello PDUs IP Internal Reachability Information CLV LSPs (link-state PDUs) ip local policy route-map command ip netmask -format [dechexbit] command ip ospf authentication-key command ip ospf cost command 2nd ip ospf dead-interval command 2nd ip ospf demand-circuit command ip ospf hello-interval command 2nd ip ospf message-digest-key md5 command ip ospf network broadcast command ip ospf network command ip ospf priority command 2nd ip ospf retransmit-interval command ip policy route-map command ip rip authentication mode md5 command ip rip receive version command ip rip send version command ip route command ip router isis command 2nd ip subnet-zero command ip summary-address eigrp command ip summary-address eigrp process-id command IPng IPng ( next -generation) IPv4 IPv6 IS-IS (Intermediate System-to-Intermediate System) 2nd adjacencies restrictions DLPDUs (data-link protocol data units) integrated combine with IS-IS**** integrated, see integrated IS-IS LSPs 2nd 3rd (link-state protocol data units) CSNP Decision process 2nd fragmented hippity bit ID Overload (OL) bit showing 2nd metrics 2nd 3rd NPDUs (network protocol data units) OSPF comparisons 2nd PDUs (protocol data units) CLV (Code/Length/Value) fields 2nd 3rd 4th 5th Hello 2nd LSPs, see LSPs SNPs (Sequence Numbers PDUs) 2nd redistribution RIP 2nd 3rd 4th 5th route maps 2nd 3rd 4th SNPA (subnetwork point of attachment) VLSM is-type command isis csnp-interval command isis hello-interval command isis hello- multiplier command isis metric command isis password command 2nd 3rd isis retransmit-interval command ISO CLNP (Connectionless Network Protocol) IS-IS, see IS-IS isolated areas OSPF |