Reference Guide

1156 | Index
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STP
benefits 981
bridge priority 851, 991
default 849, 986
definition 981
disabling STP 845, 984
forward delay 849, 986
hello time 849, 986
interfaces 846, 984
max age 849, 986
port cost 850, 988
port ID 982
port priority 849, 850, 987, 988
Portfast 850, 988
root bridge 851, 991
system log 387
T
TACACS+ 872
deleting a server host 875
selecting TACACS+ as a login authentication
method 873
TACACS+ servers and access classes 874
tacacs-server host command 860
TCP Tiny and Overlapping Fragment Attack, Protection
Against 876
TDR (Time Domain Reflectometer) 438
Telnet 874
Telnet Daemon, Enabling and Disabling 881
terminal no xml command 1072
terminal xml command 1068, 1071
threshold
for route metrics in object tracking 645, 650
Time Domain Reflectometer (TDR) 438
Time to Live (TTL) 579
Trace list 882
Trace lists
configuring a trace list 883
configuring filter without sequence number 885
configuring trace list for TCP 883
configuring trace list for UDP 884
trace log 386
tracking. See Object tracking.
TTL 579
U
user level
definition 861
user name
configuring user name 862
username command 864
V
virtual IP addresses 1046
Virtual Router Identifier. See VRID.
Virtual Router Redundancy Protocol. See VRRP.
Virtual Routing and Forwarding. See VRF.
virtual-ip
Important Things to Remember 419
VLAN configuration, automatic 367
VLANs 415
adding a port channel 429
configuring MTU values 446
IP routing 421
removing a port channel 429
VLSM 456
VLSM (Variable Length Subnet Masks) 822
VRF
CAM profiles 1029
DHCP restriction 1030
example 1026
feature description 1025
IP addressing 1030
supported features 1027
VRRP support 1034, 1055
VRRP 1041
advertisement interval 1051
benefits 1042
changing advertisement interval 1051
configuring priority 1048
configuring simple authentication 1049
definition 1041
disabling preempt 1050
MAC address 1041
monitoring interface 1053
object tracking 1052
on VRF interface 1034, 1055
simple authentication 1049
transmitting VRRP packets 1046
virtual IP addresses 1046
virtual router 1045
VRID 1041, 1045
VTY lines
access class configuration 887
access classes and TACACS+ servers 874
assigning access classes by username 887
deny all, deny incoming subnet access-class
application 888
deny10 ACLs, support for remote authentication and
authorization 874
line authentication, support for 888
local authentication and authorization 887