Reference Guide

688 | Index
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TCP Tiny and Overlapping Fragment Attack, Protection
Against 493
TDR (Time Domain Reflectometer) 244
Telnet 492
Telnet Daemon, Enabling and Disabling 500
Time Domain Reflectometer (TDR) 244
Time to Live (TTL) 329
trunk port 392
TTL 329
U
user level
definition
479
user name
configuring user name
481
username command 482
V
virtual IP addresses 637
Virtual LANs. See VLAN.
Virtual Router Identifier. See VRID.
Virtual Router Redundancy Protocol. See VRRP.
VLAN configuration, automatic 205
VLAN Protocol Identifier 626
VLAN types 392
VLAN types (private VLAN) 391
VLANs 224, 623
adding a port channel 237
adding interface 625
assigning IP address 630
benefits 623
configuring MTU values 249
defaults 624
definition 623
enabling tagging 628
FTP 61, 630
hybrid ports 629
IP routing 229, 625
Layer 2 interfaces 627
port-based 625
removing a port channel 237
removing tagged interface 625, 629
SNMP 630
tagged interfaces 626, 627
TFTP 630
untagged interfaces 627
viewing configured 627
VLSM 259
VLSM (Variable Length Subnet Masks) 435
VRRP 633
advertisement interval 642
benefits 635
changing advertisement interval 642
configuring priority 640
configuring simple authentication 641
definition 633
disabling preempt 642
MAC address 633
monitoring interface 644
simple authentication 640
transmitting VRRP packets 637
virtual IP addresses 637
virtual router 636
VRID 633, 636
VTY lines
access class configuration 500
access classes and TACACS+ servers 491
assigning access classes by username 501
deny all, deny incoming subnet access-class
application 501
deny10 ACLs, support for remote authentication and
authorization 492
line authentication, support for 501
local authentication and authorization 500
local authentication and authorization, local database
source of access class 500
radius authentication, support for 501
remote authentication and authorization 491
remote authentication and authorization, 10.0.0.0
subnets 492
remote authentication and local authorization 501
TACACS+ authentication, support for local
authorization 501
W
When to Use CAM Profiling 109