Device Passwords window 5-8

DHCP

address problems … C-8 Best Offer … 6-39 Bootp operation … 8-12 effect of no reply … C-8

manual gateway precedence … 8-12 Option 66 … 6-37,6-38

DHCP snooping

SNMP notification … 13-17,13-26DHCP/Bootp differences 8-13DHCP/Bootp process 8-12DHCP/Bootp, LLDP 13-50

DHCPv6

debug messages … C-33dhcpv6-clientC-33diagnostics tools C-49

browsing the configuration file … C-58 displaying switch operation … C-59 ping and link tests … C-50 traceroute … C-54

viewing switch operation … C-58

DNS

configuration … C-73,C-76 configuration error … C-79 configuration, viewing … C-77

domain name, fully qualified … C-71,C-72,C-77 domain suffix … C-71

domain-name configuration … C-75 event log messages … C-79 example … C-75

host name … C-71

IPv6 DNS resolution … C-71 name, using in web browser operating notes … C-78 ping … C-76

resolver … C-71

resolver operation … C-71

secure management VLAN … C-78 server address, DHCP not used … C-78 server IP address … C-72,C-78server-address configuration … C-74 three entries supported … C-74 three server entries supported … C-74 traceroute … C-76

VLAN, best route selection … C-78

documentation

feature matrix … -xx

latest versions … -xix

printed in-box publications … -xix release notes … -xix

Domain Name Server

See DNS.

download

software … A-19

software using TFTP … A-4switch-to-switchA-19 TFTP … A-4 troubleshooting … A-6 Xmodem … A-17

See also switch software. duplex advertisements 13-52

duplex information, displaying 13-69duplicate MAC address

See MAC address.

Dyn1

See LACP.

E

Emergency Location Id Number 13-35,13-63event log

clearing entries … C-29

compared to debug/Syslog operation … C-32 console menu … 3-7

debugging by severity level … C-33,C-41 debugging by system module … C-33,C-41 format, date … C-23

generated by system module … C-23 how to read entries … C-22

listing entries … C-29 losing messages … C-22 navigation … C-28

not affected by debug configuration … C-48 PoE messages … 11-21

security levels … 13-20

sending event log messages as traps … 13-20 sending messages to Syslog server … C-33 severity level … C-22,C-46

system module … C-47 time format … C-23 used for debugging … C-33

used for troubleshooting … C-22

4 – Index