Troubleshooting IP Routing Protocols (CCIE Professional Development Series)
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I Bit field ‚ ‚ ‚ ‚ OSPF DBD packets ‚ I_am_here ‚ IBGP (Internal BGP) ‚ IBGP:AS confederations ‚ ‚ ‚ ‚ AS confederations ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ BGP-4:AS confederations;scalability:IBGP:AS confederations ‚ 2nd ‚ IBGP:black holes ‚ ‚ ‚ ‚ black holes ‚ 2nd ‚ IBGP:route reflection ‚ ‚ ‚ ‚ route reflectors ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ BGP-4:route reflectors;scalability:IBGP:route reflectors ‚ 2nd ‚ 3rd ‚ 4th ‚ Idle state (BGP-4) ‚ IGMP version 1 ‚ ‚ ‚ ‚ multicast:IGMP version 1 ‚ IGMP version 2 ‚ ‚ ‚ ‚ multicast:IGMP version 2 ‚ 2nd ‚ IGMP version 2:querier election mechanism ‚ ‚ ‚ ‚ querier election mechanism:IGMP version 2 ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ multicast:IGMP version 2:querier election mechanism ‚ IGRP ‚ ‚ ‚ ‚ redistributing into NSSA area ‚ IGRP:behavior ‚ ‚ ‚ ‚ behavior:IGRP ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ distance vector protocols:IGRP:behavior;routing protocols:IGRP:behavior ‚ IGRP:DDR ‚ ‚ ‚ ‚ DDR:IGRP:troubleshooting ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ backup links:dialup backup;dial backup:IGRP;redundancy:dial backup links:IGRP;establishing:IGRP dial ‚ IGRP:DDR:dial backup links ‚ ‚ ‚ ‚ DDR:IGRP:troubleshooting dial backup ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ backup links:dialup backup;dial backup:IGRP;redundancy:dial backup links:IGRP;establishing:IGRP dial ‚ 2nd ‚ 3rd ‚ 4th ‚ IGRP:packets ‚ ‚ ‚ ‚ packets:IGRP ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ distance vector protocols:IGRP:packets;routing protocols:IGRP:packets ‚ 2nd ‚ IGRP:route flapping ‚ ‚ ‚ ‚ flapping routes:IGRP ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ distance vector routing protocols:IGRP:flapping routes;routing table:IGRP:flapping routes ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ distance vector routing protocols:IGRP:flapping routes;routing table:IGRP:flapping routes;packet dro ‚ 2nd ‚ 3rd ‚ IGRP:route installation:troubleshooting ‚ ‚ ‚ ‚ uninstalled routes:IGRP:troubleshooting ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ routing table:IGRP:uninstalled routes, troubleshooting;distance-vector routing protocols:IGRP:uninst ‚ 2nd ‚ 3rd ‚ 4th ‚ 5th ‚ 6th ‚ 7th ‚ 8th ‚ 9th ‚ 10th ‚ 11th ‚ 12th ‚ 13th ‚ 14th ‚ 15th ‚ 16th ‚ 17th ‚ 18th ‚ 19th ‚ 20th ‚ 21st ‚ 22nd ‚ 23rd ‚ 24th ‚ 25th ‚ 26th ‚ 27th ‚ 28th ‚ 29th ‚ 30th ‚ 31st ‚ IGRP:split horizon ‚ ‚ ‚ ‚ split horizon ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ distance vector protocols:IGRP:split horizon;routing protocols:IGRP:split horizon;routing loops :IGRP ‚ IGRP:split horizon with poison reverse ‚ ‚ ‚ ‚ split horizon:with poison reverse ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ distance vector protocols:IGRP:split horizon with poison reverse;routing protocols:IGRP:split horizo ‚ IGRP:unadvertised default route candidates:troubleshooting ‚ ‚ ‚ ‚ distance vector routing protocols:IGRP:unadvertised default route candidates, troubleshooting ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ default routes:IGRP:unadvertised candidates;unadvertised default route candidates:IGRP:troubleshooti ‚ 2nd ‚ 3rd ‚ 4th ‚ IGRP:uninstalled equal-cost paths:troubleshooting ‚ ‚ ‚ ‚ troubleshooting:IGRP:uninstalled equal-cost paths ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ equal-cost paths:IGRP:installation, troubleshooting;distance-vector routing protocols:IGRP:uninstall ‚ 2nd ‚ 3rd ‚ IGRP:uninstalled routes:sender problems, troubleshooting ‚ ‚ ‚ ‚ sender problems:IGRP uninstalled routes, troubleshooting ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ uninstalled IGRP routes:sender problems:troubleshooting;distance-vector routing protocols:IGRP:unins ‚ 2nd ‚ 3rd ‚ 4th ‚ 5th ‚ 6th ‚ 7th ‚ 8th ‚ 9th ‚ 10th ‚ 11th ‚ 12th ‚ 13th ‚ 14th ‚ 15th ‚ 16th ‚ 17th ‚ 18th ‚ 19th ‚ 20th ‚ IGRP:variance ‚ ‚ ‚ ‚ variance ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ distance vector routing protocols:IGRP:variance;load balancing:IGRP:variance; unequal -cost paths:IGRP ‚ 2nd ‚ 3rd ‚ 4th ‚ IIHs (intermediate system-to-intermediate system hellos) ‚ ‚ ‚ ‚ hellos:IIHs ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ packets:IIHs ‚ 2nd ‚ indication LSAs ‚ ‚ ‚ ‚ LSAs:indication LSAs ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ backbone:indication LSAs;OSPF:backbone:indication LSAs ‚ 2nd ‚ Integrated IS-IS ‚ [See IS-IS] interesting traffic ‚ Interface MTU field ‚ ‚ ‚ ‚ OSPF DBD packets ‚ interfaces ‚ ‚ ‚ ‚ oilist ‚ internal metrics:IS-IS ‚ ‚ ‚ ‚ IS-IS:metrics:internal ‚ interpreting:BGP attributes from command output ‚ ‚ ‚ ‚ commands:output:interpreting BGP attributes ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ attributes:interpreting from command output;BGP-4:attributes:interpreting from command output ‚ 2nd ‚ 3rd ‚ Invalid timers (IGRP) ‚ IP addressing ‚ ‚ ‚ ‚ dynamic routing ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state versus distance vector protocols ‚ 2nd ‚ 3rd ‚ 4th ‚ IP addressing:dynamic routing ‚ ‚ ‚ ‚ dynamic routing ‚ IP addressing:dynamic routing:classless versus classful routing protocols ‚ ‚ ‚ ‚ dynamic routing:classless versus classful ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ classless routing protocols:versus classful;classful routing protocols:versus classes;comparing:clas ‚ 2nd ‚ IP addressing:dynamic routing:interior versus exterior gateway ‚ ‚ ‚ ‚ dynamic routing:interior versus exterior gateway ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ interior gateway protocols:versus exterior;exterior gateway protocols:versus interior;comparing:inte ‚ 2nd ‚ 3rd ‚ IP addressing:dynamic routing:link-state versus distance vector protocols ‚ ‚ ‚ ‚ dynamic routing:link-state versus distance vector protocols ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ distance vector routing protocols:versus link-state ‚ IP addressing:dynamic routing:unicast versus multicast routing ‚ ‚ ‚ ‚ dynamic routing:multicast versus unicast ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ multicast routing:versus unicast;unicast routing:versus multicast;packets:multicast routing;forwardi ‚ 2nd ‚ ip default-network command ‚ ‚ ‚ ‚ commands:ip default-network ‚ 2nd ‚ IP network numbers ‚ IP prefix ‚ ip summary-address eigrp command ‚ ‚ ‚ ‚ commands:ip summary-address eigrp ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ configuring:EIGRP manual summarization ‚ IPv4 ‚ ‚ ‚ ‚ versus IPv6 ‚ IPv4:address classes ‚ ‚ ‚ ‚ addressing:IPv4:classes ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ classes of IP addresses;32-bit addressing scheme:IPv4:classes;TCP/IP:IP addressing:classes ‚ 2nd ‚ IPv4:private address space ‚ ‚ ‚ ‚ addressing:IPv4:private address space ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ private IPv4 address space;32-bit addressing scheme:IPv4:private address space;TCP/IP:IP addressing: ‚ 2nd ‚ IPv4:subnetting ‚ ‚ ‚ ‚ addressing:IPv4:subnet ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ subnetting;32-bit addressing scheme:IPv4:subnetting;TCP/IP:IP addressing:subnetting;classful address ‚ 2nd ‚ IS Type field (LSPs) ‚ IS-IS ‚ ‚ ‚ ‚ link-state protocols:IS-IS ‚ IS-IS:adjacencies:three-way reliable ‚ ‚ ‚ ‚ three-way reliable adjacencies ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:three-way reliable adjacencies;ISO CLNS:IS-IS:three-way reliable adjacenc ‚ IS-IS:CLNP addressing ‚ ‚ ‚ ‚ CLNP addressing:IS-IS ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:CLNP addressing ‚ IS-IS:DIS ‚ ‚ ‚ ‚ link-state protocols:IS-IS:DIS ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ISO CLNS:IS-IS:DIS ‚ IS-IS:external routes:redistribution to Level 1 ‚ ‚ ‚ ‚ link-state protocols:IS-IS:external routes, redistribution into Level 1 ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ routing updates:IS-IS:redistribution into Level 1;redistribution:IS-IS:misconfiguration;misconfigura ‚ IS-IS:flapping routes ‚ ‚ ‚ ‚ link-state protocols:IS-IS:flapping routes ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ route-flapping:IS-IS;flapping routes:IS-IS ‚ 2nd ‚ 3rd ‚ 4th ‚ IS-IS:hierarchical routing ‚ ‚ ‚ ‚ link-state protocols:IS-IS:hiearchical routing ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ISO CLNS:IS-IS:hierarchical routing;hierarchical routing:IS-IS;areas:IS-IS:hiearchical routing ‚ IS-IS:IP routing:ATM configuration ‚ ‚ ‚ ‚ configuring:IS-IS:ATM connectivity ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ IP routing:IS-IS configuration:ATM connectivity;link-state protocols:IS-IS:ATM configuration;ISO CLN ‚ 2nd ‚ 3rd ‚ IS-IS:IP routing:autosummarization ‚ ‚ ‚ ‚ configuring:IS-IS:autosummarization ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ IP routing:IS-IS configuration:autosummarization;link-state protocols:IS-IS:autosummarization;ISO CL ‚ IS-IS:IP routing:configuring ‚ ‚ ‚ ‚ configuring:IS-IS:IP routing ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ IP routing:IS-IS configuration;link-state protocols:IS-IS:IP routing configuration;ISO CLNS:IS-IS:IP ‚ 2nd ‚ 3rd ‚ 4th ‚ 5th ‚ 6th ‚ 7th ‚ 8th ‚ IS-IS:IP routing:default route advertisement ‚ ‚ ‚ ‚ configuring:IS-IS:default route advertisement ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ IP routing:IS-IS configuration:default route advertisement;link-state protocols:IS-IS:default route ‚ IS-IS:IP routing:point-to-point links ‚ ‚ ‚ ‚ configuring:IS-IS:routing on point-to-point links ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ IP routing:IS-IS configuration:on point-to-point links;link-state protocols:IS-IS:IP routing configu ‚ 2nd ‚ 3rd ‚ 4th ‚ 5th ‚ 6th ‚ 7th ‚ IS-IS:IP routing:redistribution ‚ ‚ ‚ ‚ configuring:IS-IS:redistribution ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ IP routing:IS-IS configuration:redistribution;link-state protocols:IS-IS:redistribution;ISO CLNS:IS- ‚ 2nd ‚ 3rd ‚ IS-IS:link-state database ‚ ‚ ‚ ‚ link-state protocols:IS-IS:link-state database ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ISO CLNS:IS-IS:link-state database;link-state database:IS-IS ‚ 2nd ‚ 3rd ‚ IS-IS:link-state database:displaying ‚ ‚ ‚ ‚ displaying:IS-IS link-state database ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state database:IS-IS:displaying ‚ IS-IS:link-state database:flooding ‚ ‚ ‚ ‚ link-state protocols:IS-IS:link-state database ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ISO CLNS:IS-IS:link-state database;link-state database:IS-IS:flooding;flooding:IS-IS;LSPs:flooding ‚ 2nd ‚ 3rd ‚ 4th ‚ IS-IS:link-state database:synchronization ‚ ‚ ‚ ‚ link-state protocols:IS-IS:link-state database ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ISO CLNS:IS-IS:link-state database;link-state database:IS-IS:synchronization;synchronization:IS-IS ‚ 2nd ‚ 3rd ‚ 4th ‚ IS-IS:link-state database:update timers ‚ ‚ ‚ ‚ link-state protocols:IS-IS:link-state database ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ISO CLNS:IS-IS:link-state database;link-state database:IS-IS:update timers;update timers:IS-IS ‚ 2nd ‚ 3rd ‚ IS-IS:metrics ‚ ‚ ‚ ‚ metrics:IS-IS ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:metrics;ISO CLNS:IS-IS:metrics ‚ 2nd ‚ 3rd ‚ 4th ‚ IS-IS:packets ‚ ‚ ‚ ‚ link-state protocols:IS-IS:packets ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ISO CLNS:IS-IS:packets;packets:IS-IS ‚ IS-IS:packets:generic format ‚ ‚ ‚ ‚ link-state protocols:IS-IS:packets ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ISO CLNS:IS-IS:packets;packets:IS-IS:generic format;generic format:IS-IS packets ‚ 2nd ‚ 3rd ‚ IS-IS:ping clns command ‚ ‚ ‚ ‚ link-state protocols:IS-IS:ping clns command ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ping clns command;commands:ping clns;connectivity:IS-IS:ping clns command;reachability:IS-IS:ping cl ‚ 2nd ‚ IS-IS:route advertisements:misconfiguration ‚ ‚ ‚ ‚ link-state protocols:IS-IS:route advertisements ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ routing updates:IS-IS:route advertisements;misconfiguration:IS-IS:route advertisements ‚ 2nd ‚ 3rd ‚ 4th ‚ IS-IS:routing domains ‚ ‚ ‚ ‚ routing domains:IS-IS ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:routing domains;ISO CLNS:IS-IS:routing domains ‚ IS-IS:routing updates ‚ ‚ ‚ ‚ link-state protocols:IS-IS:routing updates ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ routing updates;LSPs:direct inspection;direct inspection of LSPs;packets:LSPs:direct inspection ‚ 2nd ‚ IS-IS:SPF algorithm ‚ ‚ ‚ ‚ link-state protocols:IS-IS:SPF algorithm ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ISO CLNS:IS-IS:SPF algorithm;SPF algorithm:IS-IS decision process;decision process:IS-IS SPF algorit ‚ IS-IS:SPF triggers ‚ ‚ ‚ ‚ SPF (shortest path first):triggers ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:SPF process triggers ‚ 2nd ‚ IS-IS:traceroute command ‚ ‚ ‚ ‚ link-state protocols:IS-IS:traceroute command ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ traceroute command;commands:traceroute;connectivity:IS-IS:traceroute command;reachability:IS-IS:trac ‚ 2nd ‚ 3rd ‚ ISO CLNS ‚ ‚ ‚ ‚ CLNP ‚ ISO CLNS:IS-IS ‚ ‚ ‚ ‚ IS-IS ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS;CLNS (connectionless network services) ‚ ISO CLNS:IS-IS:areas ‚ ‚ ‚ ‚ IS-IS:areas ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:areas;areas:IS-IS ‚ 2nd ‚ 3rd ‚ ISO CLNS:IS-IS:CLNP addressing ‚ ‚ ‚ ‚ IS-IS:CLNP addressing ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:CLNP addressing;CLNP:addressing;addresses:CLNP ‚ ‚ ‚ ‚ ‚ IS-IS:CLNP addressing:NSAP format ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:CLNP addressing;CLNP:addressing:NSAP format;addresses:CLNP:NSAP format;NS ‚ 2nd ‚ 3rd ‚ ‚ ‚ ‚ ‚ IS-IS:CLNP addressing:NSAPs, defining ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:CLNP addressing;CLNP:addressing:NSAPs, defining;addresses:CLNP:NSAPs, def ‚ ISO CLNS:IS-IS:IETF standardization ‚ ‚ ‚ ‚ IS-IS:IETF standardization ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:IETF standardization;IETF standardization of IS-IS ‚ 2nd ‚ ISO CLNS:IS-IS:Level 1 ‚ ‚ ‚ ‚ IS-IS:level 1 ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:Level 1;Level 1 ‚ ISO CLNS:IS-IS:links ‚ ‚ ‚ ‚ IS-IS:links ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:links;links:IS-IS ‚ 2nd ‚ 3rd ‚ ISO CLNS:IS-IS:nodes ‚ ‚ ‚ ‚ IS-IS:nodes ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ link-state protocols:IS-IS:nodes;nodes:IS-IS ‚ 2nd ‚ 3rd ‚ ISPs:BGP ‚ ‚ ‚ ‚ BGP ‚ ISPs:BGP-4:advertising routes ‚ ‚ ‚ ‚ BGP-4:advertising routes ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ Established state (BGP-4):route advertisements;advertising:BGP-4 routes;peering:BGP-4:route advertis ‚ 2nd ‚ 3rd ‚ ‚ ‚ ‚ ‚ BGP-4:advertising routes:synchronization rule ‚ ‚ ‚ ‚ ‚ ‚ ‚ ‚ Established state (BGP-4):route advertisements:synchronization rule;advertising:BGP-4 routes:synchro ‚ 2nd ‚ IXP (Internet Exchange Point) ‚
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