E

Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W]

echo packets, tracing
Echo Request/Reply messages (ICMP)
ECN (Explicit Congestion Notification)
editing
     ACLs
     route maps
EGPs (Exterior Gateway Protocols)
EIGRP (Enhanced Interior Gateway Routing Protocol)
     address aggregation
         CIDR
     address summarization, configuring
     adjacencies
     authentication, configuring
     automatic summarization, disabling
     configuring
     diffusing computations
     DUAL
     feasible successors, selection process 2nd
     input events
     load sharing, configuring maximum paths
     metrics
         delay
         FC
         FD
         feasible successors
         variance
     missing neighbors, troubleshooting
     multiple processes, configuring
     neighbor discovery/recovery
     neighbor table
     packets
         header format
         Hello
         sequence numbers
         TLVs
     protocol-dependent modules
     Q Count
     redistribution into OSPF
         configuring
     RTO
     RTP
     SRTT
     stub routing, configuring
     stuck-in-active neighbors, troubleshooting 2nd
     summarization
     timers, mulicast flow timer
     topological table, contents of
     troubleshooting
     unequal-cost load balancing, configuring
     updates
eigrp stub command
election process for DRs/BDRs
electrical protocols
embedded IPv4 addresses
enabling
     CDP
     classless route lookups
     per packet load sharing
     process switching
encapsulation (SNAP), ARP
environments
EPHOS (European Procurement Handbook for Open Systems)
equal-cost load balancing 2nd
error correction in IP packets
ES (End System)
establishing adjacencies
     decision points
     OSPF
Ethernet
examples
     of diffusing computations 2nd
     of extended IP ACLs
     of reflexive ACLs
exams, CCIE
     certification path
     preparing for
     training classes
Exchange state (OSPF neighbors)
expiration timer, RIP
explicit acknowledgments 2nd
ExStart state (OSPF neighbors)
extended IP ACLs 2nd
     effect on system performance
     example of
     features
     placement of
     sequence numbers
extended metrics
Extended Ping utility
extension headers
     functions performed
extensions to IS-IS
     3-way handshaking
     domain-wide prefix distribution
     Dynamic Hostname Exchange
     IPv6 routing
     mesh groups
     Multi Topology routing
     wide metrics
exterior routes
External Attributes LSAs
external routes
     summarization
external traffic