BiteSizedChunks.comLearn one small thing at a time.

Courses Suggested Paths Pricing

Course contentsShowHide

545EIGRP neighbor discovery and hold time
546Reliable Transport Protocol in EIGRP
547EIGRP composite metric inputs
548K-value agreement and adjacency
549Successors and feasible successors
550Reported distance versus feasible distance
551Feasibility condition for loop avoidance
552DUAL passive and active route states
553Query boundaries and EIGRP stub routers
554Stuck-in-active detection and recovery
555EIGRP variance and unequal-cost paths
556EIGRP wide metrics and bandwidth scaling
557Named-mode EIGRP address families
558EIGRP route summarization leakage
559EIGRP split horizon on multipoint links
560EIGRP authentication and replay protection
561External EIGRP route attributes
562Offset lists and metric manipulation
563EIGRP graceful shutdown messages
564EIGRP convergence on hub failure
565IS-IS NSAP and NET addresses
566System IDs and area identifiers
567Level 1 versus Level 2 routing
568Integrated IS-IS for IP reachability
569IS-IS adjacency three-way handshake
570DIS election and pseudonode LSPs
571IS-IS LSP fragments and sequence numbers
572Complete Sequence Number PDUs
573Partial Sequence Number PDUs
574TLV extensibility in IS-IS
575IS-IS narrow versus wide metrics
576Level 1 default routes toward Level 2
577Interlevel route leaking policies
578Multi-topology IS-IS operation
579IS-IS IPv6 reachability TLVs
580Overload bit and transit avoidance
581IS-IS authentication by PDU type
582IS-IS flooding optimization in fabrics
583IS-IS segment routing extensions
584Comparing OSPF and IS-IS failure behavior

545EIGRP neighbor discovery and hold time
546Reliable Transport Protocol in EIGRP
547EIGRP composite metric inputs
548K-value agreement and adjacency
549Successors and feasible successors
550Reported distance versus feasible distance
551Feasibility condition for loop avoidance
552DUAL passive and active route states
553Query boundaries and EIGRP stub routers
554Stuck-in-active detection and recovery
555EIGRP variance and unequal-cost paths
556EIGRP wide metrics and bandwidth scaling
557Named-mode EIGRP address families
558EIGRP route summarization leakage
559EIGRP split horizon on multipoint links
560EIGRP authentication and replay protection
561External EIGRP route attributes
562Offset lists and metric manipulation
563EIGRP graceful shutdown messages
564EIGRP convergence on hub failure
565IS-IS NSAP and NET addresses
566System IDs and area identifiers
567Level 1 versus Level 2 routing
568Integrated IS-IS for IP reachability
569IS-IS adjacency three-way handshake
570DIS election and pseudonode LSPs
571IS-IS LSP fragments and sequence numbers
572Complete Sequence Number PDUs
573Partial Sequence Number PDUs
574TLV extensibility in IS-IS
575IS-IS narrow versus wide metrics
576Level 1 default routes toward Level 2
577Interlevel route leaking policies
578Multi-topology IS-IS operation
579IS-IS IPv6 reachability TLVs
580Overload bit and transit avoidance
581IS-IS authentication by PDU type
582IS-IS flooding optimization in fabrics
583IS-IS segment routing extensions
584Comparing OSPF and IS-IS failure behavior

Search the Networking glossary

Lesson 566 of 2,224·18. EIGRP and IS-ISFree lesson

System IDs and area identifiers

Writing your lesson…

← Previous Next lesson →

© 2026 BiteSizedChunks.com. Learn one small thing at a time.

Glossary Contact Terms of Service Privacy Policy