Index
IN-5
Software Configuration Guide—Release 12.2(25)SG
OL-7659-03
and support for 802.1X authentication 29-15
default settings, erase commad 3-25
deploying 10-Gigabit Ethernet and a Gigabit Ethernet SFP
ports 4-6
description command 4-10
detecting unidirectional links 20-1
DHCP-based autoconfiguration
client request message exchange 3-3
configuring
client side 3-2
DNS 3-5
relay device 3-5
server-side 3-4
TFTP server 3-4
example 3-7
lease options
for IP address information 3-4
for receiving the configuration file 3-4
overview 3-2
relationship to BOOTP 3-3
DHCP snooping
configuring 31-3
default configuration 31-3
displaying binding tables 31-10
displaying configuration 31-11
enabling 31-4
enabling on private VLAN 31-6
enabling the database agent 31-6
monitoring 31-10, 31-13, 31-14
overview 31-1
Snooping database agent 31-2
DHCP Snooping Database Agent
adding to the database (example) 31-9
enabling (example) 31-7
overview 31-2
reading from a TFTP file (example) 31-8
Diagnostics
online 17
troubleshooting 18
Power-On-Self-Test
causes of failure 28
how it works 19
overview 19
Power-On-Self-Test for Supervisor Engine V-10GE 23
Differentiated Services Code Point values
See DSCP values
DiffServ architecture, QoS 27-2
disabled state
RSTP comparisons (table) 15-4
disabling
broadcast storm control 36-4
disconnect command 5-6
discovery, clusters
See automatic discovery
DNS
and DHCP-based autoconfiguration 3-5
documentation
organization xxiii
related xxv
double-tagged packets
802.1Q tunneling 18-2
Layer 2 protocol tunneling 18-9
drop threshold for Layer 2 protocol packets 18-9
DSCP maps 27-51
DSCP-to-CoS maps
configuring 27-53
DSCP values
configuring maps 27-51
configuring port value 27-47
definition 27-4
IP precedence 27-2
mapping markdown 27-24
mapping to transmit queues 27-48
DTP
VLAN trunks and 11-3
duplex command 4-9
duplex mode
configuring interface 4-7