dat ?¬?les,
28
error messages, IOS CLI, 6
ESP (Encapsulating Security Payload)
protocol, IPsec, 313
EtherChannel
bandwidth, 44
benefits of, 43
redundant switched-network topologies, 42
Ethernet
cable modems, WAN, 317
Metro Ethernet, WAN, 317
redundant switched-network topologies, 40
Ethernet (802.1Q) trunks
frames, 25
VLAN, 24-26, 32-35
EUI-64 interface ID IPv6 address
assignments, 279-280
exit command, IOS con?¬?guration modes, 5
extended ACL (Access Control Lists), 211
named extended IP ACL, 235-238
numbered extended IPv4 ACL, 227-233
F
Fast Ethernet (100-Mbps Ethernet),
redundant switched-network topologies, 40
feasible distance parameter, EIGRP route
determination, 173
feasible successor routes, EIGRP, 173
FECN (Forward Explicit Congestion
Noti?¬?cation), Frame Relay networks, 328
?¬?ltering
addresses. See wildcard masking
packets, 206-207
forwarding port state (bridges), STP, 53
Frame Relay networks
address mapping, 331-332
BECN, 328
CIR, 327
clearing maps, 347
components of, 326-328
configuring, 334-335
multipoint subinterfaces, 338-339
point-to-point subinterfaces, 336-338
dynamic stickylearning (Catalyst switch port security)
373
DCE, 325
DLCI, 327-329
DTE, 325
FECN, 328
inverse ARP, 327, 333
LMI, 327, 332-333
local access rates, 326
NBMA connectivity, 329-330
PVC, 327
routing update reachability, 330
subinterfaces, 330-331
multipoint subinterfaces, 336-339
point-to-point subinterfaces, 336-338
SVC, 327
troubleshooting
components of, 347
connectivity, 348-354
?¬‚owchart of, 347
loopback tests, 349
verifying DLCI con?¬?guration, 350
VC, 326
verifying, 340-346
Frame Relay protocol, WAN, 316
frame-relay interface-dlci command, 339
frame-relay map command, 336
frames, multiple frame transmission, 45-48
full-mesh topologies, Frame Relay DLCI, 329
G - H
Gigabit Ethernet, redundant switchednetwork
topologies, 40
global commands, examples of, 5
global con?¬?guration mode (IOS Software),
5-6
global IPv6 addresses, 275-276
HDLC (High-Level Data Link Control)
protocol, WAN, 316
hello packets
area ID, 143
authentication passwords, 143
BDR IP addresses, 143
components of, 142-143
dead intervals, 142
DR IP addresses, 143
hello intervals, 142
neighbors field, 142
OSPF neighbor adjacencies, 142-143
router ID, 142
router priority, 143
stub area flags, 143
help, IOS CLI, 6
hierarchical network addressing schemes,
bene?¬?ts of, 16-17
HMAC (Hash-based Message Authentication
Code), IPsec data integrity, 312
hold-down timers, distance vector route
maintenance, 110-115
hop counts (routing protocol metrics), 101
hostname command, WAN, 320
hybrid routing protocol.
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