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Raisecom
ISCOM2600G-HI (A) Series Configuration Guide
Raisecom(config)#interface gigaethernet 1/1/3
Raisecom(config-gigaethernet1/1/3)#ip dhcp information option circuit-id
raisecom
Checking results
Use the show ip dhcp snooping command to show configurations of DHCP Snooping.
Raisecom#show ip dhcp snooping
DHCP Snooping: Enabled
DHCP Option 82: Enabled
Port
Option82 Vlanlist
-------------------------------------------------------------------------
------------------------
gigaethernet1/1/1
4094
gigaethernet1/1/2
4094
gigaethernet1/1/3
4094
gigaethernet1/1/4
4094
gigaethernet1/1/5
4094
gigaethernet1/1/6
4094
......
6.4 DHCP Options
6.4.1 Introduction
DHCP transmits control information and network configuration parameters through Option
field in packet to dynamically assign addresses to provide abundant network configurations
for clients. DHCP has 255 types of options, with the final option as Option 255. Table 6-3 lists
frequently used DHCP options.
Table 6-3 Common DHCP options
Options
3
6
vlan
Router option, used to assign the gateway address of DHCP clients
DNS server option, used to specify the IP address of the DNS server assigned
for DHCP clients
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
Enabled Status Trusted Status
--
enabled
--
enabled
--
enabled
--
enabled
--
enabled
--
enabled
Description
6 DHCP
yes
1-
no
1-
no
1-
no
1-
no
1-
no
1-
270
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