Cisco Systems 3750E manual Dhcp option, IN-11

22-15

22-8,22-9

22-15

22-10

22-7

22-7

22-15

22-14

22-2

22-14

DHCP
Cisco IOS server database
configuring			22-14
default configuration					22-9
described		22-6
enabling
relay agent			22-11
server	22-10
DHCP-based autoconfiguration
client request message exchange						3-4
configuring
client side			3-4
DNS	3-6
relay device			3-7
server side			3-5
server-side 22-10
TFTP server			3-6
example 3-8
lease options
for IP address information						3-5
for receiving the configuration file 3-5
overview	3-3
relationship to BOOTP					3-4
relay support		1-6,1-12
support for	1-6
DHCP binding database
See DHCP snooping binding database
DHCP binding table
See DHCP snooping binding database
DHCP option 82
circuit ID suboption				22-5
configuration guidelines					22-9
default configuration				22-8
displaying	22-15
forwarding address, specifying						22-11

Index

DHCP option 82 (continued)

helper address 22-11overview 22-3packet format, suboption

circuit ID 22-5remote ID 22-5

remote ID suboption 22-5DHCP snooping

accepting untrusted packets form edge switch 22-3,22-13

and private VLANs binding database

See DHCP snooping binding database

configuration guidelines	22-9
default configuration 22-8
displaying binding tables	22-15

message exchange process 22-4option 82 data insertion 22-3

trusted interface 22-2untrusted interface 22-2

untrusted messages

DHCP snooping binding database adding bindings

binding entries, displaying binding file

format location bindings 22-7

clearing agent statistics configuration guidelines configuring 22-14default configuration deleting

binding file 22-15bindings 22-15database agent

	Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-02		IN-11