Troubleshooting IP Routing Protocols (CCIE Professional Development Series)

EBGP (External BGP) ‚  

EBGP multihop

‚   ‚   ‚   ‚  resolving nondirectly connected neighbor relationships ‚   2nd ‚  

EBGP multihop:misconfiguration

‚   ‚   ‚   ‚  BGP:EBGP multihop:misconfiguration

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  nondirectly connected external neighbor relationships:misconfiguration;external neighbor relationshi ‚   2nd ‚   3rd ‚   4th ‚   5th ‚   6th ‚  

EGP (Exterior Gateway Protocol) ‚  

EIGRP (Enhanced Interior Gateway Routing Protocol)

‚   ‚   ‚   ‚  interior gateway protocols:EIGRP ‚  

‚   ‚   ‚   ‚  routing protocols:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP ‚   2nd ‚  

EIGRP:convergence

‚   ‚   ‚   ‚  convergence:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:convergence;routing protocols:EIGRP:convergence ‚  

EIGRP:default routes

‚   ‚   ‚   ‚  default routes:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:default routes;routing protocols:EIGRP:default routes ‚  

EIGRP:dial backup

‚   ‚   ‚   ‚  dial backup:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:dial backup;redundancy:EIGRP:dial backup ‚   2nd ‚   3rd ‚   4th ‚   5th ‚  

EIGRP:DUAL

‚   ‚   ‚   ‚  DUAL:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  resolving:EIGRP SIA errors ‚   2nd ‚  

‚   ‚   ‚   ‚  routing protocols:EIGRP:DUAL

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:DUAL;DUAL (Diffusing Update Algorithm);routing loops :DUAL;preventing ‚   2nd ‚  

EIGRP:DUAL:active routes

‚   ‚   ‚   ‚  routing protocols:EIGRP:DUAL

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:DUAL;DUAL (Diffusing Update Algorithm):active routes;routing loops:DU ‚  

EIGRP:DUAL:FC

‚   ‚   ‚   ‚  routing protocols:EIGRP:DUAL

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:DUAL;DUAL (Diffusing Update Algorithm):FC;routing loops:DUAL:FC;preve ‚  

EIGRP:DUAL:FD

‚   ‚   ‚   ‚  routing protocols:EIGRP:DUAL

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:DUAL;DUAL (Diffusing Update Algorithm):FD;routing loops:DUAL:FD;preve ‚  

EIGRP:DUAL: feasible successors

‚   ‚   ‚   ‚  routing protocols:EIGRP:DUAL

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:DUAL;DUAL (Diffusing Update Algorithm):feasible successors;routing lo ‚  

EIGRP:DUAL:passive routes

‚   ‚   ‚   ‚  routing protocols:EIGRP:DUAL

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:DUAL;DUAL (Diffusing Update Algorithm):passive routes;routing loops:D ‚  

EIGRP:DUAL:RD

‚   ‚   ‚   ‚  routing protocols:EIGRP:DUAL

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:DUAL;DUAL (Diffusing Update Algorithm):RD;routing loops:DUAL:RD;preve ‚  

EIGRP:DUAL:successors

‚   ‚   ‚   ‚  routing protocols:EIGRP:DUAL

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:DUAL;DUAL (Diffusing Update Algorithm):successors;routing loops:DUAL: ‚  

EIGRP:error messages

‚   ‚   ‚   ‚  error messages:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:error messages ‚   2nd ‚  

EIGRP:metrics

‚   ‚   ‚   ‚  metrics:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:metrics;routing protocols:EIGRP:metrics;calculating:EIGRP metrics ‚   2nd ‚  

EIGRP:neighbor relationships

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:neighbor relationships

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  neighbor relationships:EIGRP ‚  

‚   ‚   ‚   ‚  neighbor relationships:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:neighbor relationships;routing protocols:EIGRP:neighbor relationships ‚   2nd ‚  

EIGRP:neighbor relationships:log, reviewing

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:neighbor relationships

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  neighbor relationships:EIGRP:reviewing documented changes;reviewing:EIGRP neighbor changes ‚  

EIGRP:neighbor relationships:mismatched AS numbers

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:mismatched AS numbers

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  neighbor relationships:EIGRP:mismatched AS numbers;mismatched AS numbers:EIGRP ‚  

EIGRP:neighbor relationships:mismatched k values

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:mismatched K values

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  neighbor relationships:EIGRP:mismatched K values;mismatched K values:EIGRP ‚  

EIGRP:neighbor relationships:mismatched masks

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:mismatched masks

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  neighbor relationships:EIGRP:mismatched masks;mismatched masks:EIGRP ‚   2nd ‚   3rd ‚  

EIGRP:neighbor relationships:one-way

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:neighbor relationships

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  neighbor relationships:EIGRP:one-way;one-way neighbor relationships:EIGRP;unidirectional links:EIGRP ‚   2nd ‚  

EIGRP:neighbor relationships:SIA errors

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:SIA errors

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  neighbor relationships:EIGRP:SIA error;SIA (stuck-in-active) errors:EIGRP ‚   2nd ‚   3rd ‚   4th ‚   5th ‚   6th ‚   7th ‚   8th ‚  

EIGRP:neighbor relationships:uncommon subnets

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:uncommon subnets

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  neighbor relationships:EIGRP:uncommon subnets;uncommon subnets:EIGRP ‚   2nd ‚   3rd ‚  

EIGRP:packets:TLV

‚   ‚   ‚   ‚  TLV (Type/Length/Value)

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  packets:EIGRP:TLV;fields:EIGRP packets;routing protocols:EIGRP:packet fields;hybrid routing protocol ‚   2nd ‚   3rd ‚  

‚   ‚   ‚   ‚  TLV (Type/Length/Value):IP Internal Route

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  packets:EIGRP:IP Internal Route TLV;routing protocols:EIGRP:IP Internal Route TLV;hybrid routing pro ‚   2nd ‚  

EIGRP:redistribution

‚   ‚   ‚   ‚  redistribution:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:redistribution ‚   2nd ‚   3rd ‚   4th ‚   5th ‚   6th ‚  

EIGRP:route advertisement

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:route advertisement

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  route advertisement:EIGRP ‚  

EIGRP:route advertisement: discontiguous networks

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:route advertisement

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  route advertisement:EIGRP:discontiguous networks;discontiguous EIGRP networks ‚   2nd ‚  

EIGRP:route advertisement:misconfigured distribute lists

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:route advertisement

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  route advertisement:EIGRP:misconfigured distribute lists;distribute lists:misconfiguration ‚   2nd ‚  

EIGRP:route advertisement:split-horizon

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:route advertisement

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  route advertisement:EIGRP:split-horizon;split-horizon:EIGRP ‚   2nd ‚   3rd ‚   4th ‚  

EIGRP:route advertisement:unexpected advertisements

‚   ‚   ‚   ‚  unexpected route adverisements:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:unexpected route advertisement;route advertisments: ‚   2nd ‚   3rd ‚  

EIGRP:route advertisement:unexpected metrics

‚   ‚   ‚   ‚  unexpected metrics:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:unexpected metrics;route advertisments:EIGRP:unexpe ‚   2nd ‚   3rd ‚   4th ‚  

EIGRP:route flapping

‚   ‚   ‚   ‚  route flapping:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:route flapping;flapping routes:EIGRP ‚   2nd ‚   3rd ‚   4th ‚  

EIGRP:route installation

‚   ‚   ‚   ‚  advanced distance vector routing protocols:EIGRP:route installation

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  route installation:EIGRP ‚  

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  route installation:EIGRP:summarization ‚   2nd ‚  

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  route installation:EIGRP:summarization; uninstalled routes:EIGRP ‚   2nd ‚  

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  route installation:EIGRP:summarization;uninstalled routes:EIGRP;duplicate router IDs:EIGRP ‚   2nd ‚   3rd ‚  

EIGRP:routing behavior

‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:routing behavior

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  routing protocols:EIGRP:behavior;discontiguous networks:EIGRP routing behavior ‚   2nd ‚  

EIGRP:RTP

‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:RTP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  RTP (Reliable Transfer Protocol);routing protocols:EIGRP:RTP;packets:EIGRP:reliable;reliable EIGRP p ‚   2nd ‚  

EIGRP:summarization

‚   ‚   ‚   ‚  hybrid routing protocols:EIGRP:summarization

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  routing protocols:EIGRP:summarization;manual summarization:EIGRP;autosummarization:EIGRP ‚   2nd ‚  

EIGRP: unequal -cost load balancing

‚   ‚   ‚   ‚  unequal-cost load balancing:EIGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  traffic:EIGRP:unequal-cost load balancing;hybrid routing protocols:EIGRP:unequal-cost load balancing ‚   2nd ‚   3rd ‚   4th ‚  

empty routing table

‚   ‚   ‚   ‚  IGRP

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  troubleshooting ‚  

Enhanced Interior Gateway Routing Protocol ‚   [See EIGRP ]

error metric

‚   ‚   ‚   ‚  IS-IS ‚  

ES-IS protocol ‚  

Established state (BGP-4) ‚  

Established state:BGP-4

‚   ‚   ‚   ‚  BGP-4:Established state ‚  

expense metric

‚   ‚   ‚   ‚  IS-IS ‚  

extended access lists

‚   ‚   ‚   ‚  debug ip bgp update command output ‚  

external metrics:IS-IS

‚   ‚   ‚   ‚  IS-IS:metrics:external ‚  

external neighbor relationships

‚   ‚   ‚   ‚  nondirectly connected

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  missing routing table addresses ‚   2nd ‚   3rd ‚   4th ‚  

external neighbor relationships (BGP):nondirectly connected

‚   ‚   ‚   ‚  nondirectly connected external neighbor relationships

‚   ‚   ‚   ‚   ‚   ‚   ‚   ‚  BGP:external neighbor relationships:nondirectly connected ‚   2nd ‚  

external neighbor relationships (BGP-4) ‚