Cisco Catalyst 4500 Series - Page 2051

Index
IN-11
Software Configuration Guide—Release IOS XE 3.9.0E and IOS 15.2(5)E
Domain Name System
See DNS
domain names
DNS
22
double-tagged packets
802.1Q tunneling
2
Layer 2 protocol tunneling 15
downloading MIBs 2, 3
drop threshold for Layer 2 protocol packets 16
DSCP values
definition
4
IP precedence 2
Dual_Active Detection
using Enhanced PAgP
23
Dual-Active Detection, using Fast-Hello 24
duplex command 30
duplex mode
configuring interface
27
dynamic ARP inspection
ARP cache poisoning
2
configuring
ACLs for non-DHCP environments
11
in DHCP environments 5
log buffer 14
rate limit for incoming ARP packets 16
denial-of-service attacks, preventing 16
interface trust state, security coverage 3
log buffer
configuring
14
logging of dropped packets 4
overview 1
port channels, their behavior 5
priority of static bindings 4
purpose of 2
rate limiting of ARP packets 4
configuring 16
validation checks, performing 19
Dynamic Host Configuration Protocol snooping
See DHCP snooping
dynamic port VLAN membership
example
28
limit on hosts 28
reconfirming 25, 26
troubleshooting 28
E
EAP frames
changing retransmission time
85
exchanging (figure) 4, 6, 13
request/identity 4
response/identity 4
setting retransmission number 86
EAPOL frames
802.1X authentication and
3
OTP authentication, example (figure) 4, 13
start 4
Echo mode,configuring BFD 15
edge ports
description
27
EGP
overview
17
EIGRP
configuration examples
20
monitoring and maintaining 19
EIGRP (Enhanced IGRP)
stub routing
benefits
18
configuration tasks 18
configuring 14
overview 14
restrictions 18
verifying 19
EIGRP (enhanced IGRP)
overview
18
eigrp stub command 19
EIGRP stub routing, configuring 13
ELIN location 3