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IN-11
Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-02
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
DHCP option 82 (continued)
helper address
22-11
overview 22-3
packet format, suboption
circuit ID
22-5
remote ID 22-5
remote ID suboption 22-5
DHCP snooping
accepting untrusted packets form edge switch
22-3,
22-13
and private VLANs 22-14
binding database
See DHCP snooping binding database
configuration guidelines
22-9
default configuration 22-8
displaying binding tables 22-15
message exchange process 22-4
option 82 data insertion 22-3
trusted interface 22-2
untrusted interface 22-2
untrusted messages 22-2
DHCP snooping binding database
adding bindings
22-14
binding entries, displaying 22-15
binding file
format
22-7
location 22-7
bindings 22-7
clearing agent statistics 22-15
configuration guidelines 22-10
configuring 22-14
default configuration 22-8, 22-9
deleting
binding file
22-15
bindings 22-15
database agent 22-15