Cisco Catalyst 3550 Series - Page 958

Index
IN-10
Catalyst 3550 Multilayer Switch Software Configuration Guide
78-11194-09
enabling
relay agent
19-6
relay agent information option 19-6
forwarding address, specifying 19-7
helper address 19-7
overview 19-2
policy for reforwarding 19-7
reforwarding policy 19-7
support for 1-2
validating 19-6
DHCP snooping
configuration guidelines
19-3
default configuration 19-3
displaying binding tables 19-9
displaying configuration 19-10
message exchange process 19-2
option 82 data insertion 19-2
Differentiated Services architecture, QoS 29-2
Differentiated Services Code Point 29-2
Diffusing Update Algorithm (DUAL) 31-38
directed unicast requests 1-3
directories
changing
B-3
creating and removing B-4
displaying the working B-3
discovery, clusters
See automatic discovery
Distance Vector Multicast Routing Protocol
See DVMRP
distance-vector protocols
31-2
distribute-list command 31-86
DNS
and DHCP-based autoconfiguration
4-6
default configuration 7-17
displaying the configuration 7-18
overview 7-16
setting up 7-17
support for 1-2
documentation, related xxxvi
document conventions xxxvi
domain names
DNS
7-16
VTP 13-8
Domain Name System
See DNS
dot1q-tunnel switchport mode
12-17
double-tagged packets
802.1Q tunneling
15-2
Layer 2 protocol tunneling 15-9
downloading
configuration files
preparing
B-10, B-12, B-15
reasons for B-8
using FTP B-13
using RCP B-16
using TFTP B-10
image files
deleting old image
B-22
preparing B-20, B-24, B-28
reasons for B-18
using FTP B-25
using RCP B-29
using TFTP B-21
drop threshold for Layer 2 protocol packets 15-10
DSCP 1-5, 29-2
DSCP-to-CoS map for QoS 29-54
DSCP-to-DSCP-mutation map for QoS 29-55
DSCP-to-threshold map for QoS 29-60
DTP 1-4, 12-16
DUAL finite state machine, EIGRP 31-38
duplex mode, configuring 10-13
DVMRP
all-DVMRP-routers multicast group address
34-11
autosummarization
configuring a summary address
34-54
disabling 34-56
connecting PIM domain to DVMRP router 34-46