Raisecom ISCOM2600G-HI (A) Series - Configure DHCP Snooping to Support Option 82

Raisecom
ISCOM2600G-HI (A) Series Configuration Guide
6 DHCP
Raisecom Proprietary and Confidential
Copyright © Raisecom Technology Co., Ltd.
267
Step
Command
Description
1
Raisecom#config
Enter global configuration mode.
2
Raisecom(config)#ip dhcp snooping
Enable global DHCP Snooping.
3
Raisecom(config)#interface
interface-type interface-number
Enter physical layer interface
configuration mode or aggregation
group configuration mode.
4
Raisecom(config-
gigaethernet1/1/port)#ip dhcp
snooping
(Optional) enable interface DHCP
Snooping. The device supports this
configuration on the QinQ interface.
5
Raisecom(config-
gigaethernet1/1/port)#ip dhcp
snooping trust
Configure the trusted interface of
DHCP Snooping.
6
Raisecom(config-
gigaethernet1/1/port)#ip dhcp
snooping binding max number
Configure the maximum number of
entries in the DHCP Snooping
binding table.
7
Raisecom(config-
gigaethernet1/1/port)#ip dhcp
snooping outer vlan-id inner
vlan-list
(Optional) enable DHCP Snooping
based on interface or double VLAN
Tags.
8
Raisecom(config)#ip dhcp snooping
option client-id
(Optional) configure DHCP
Snooping to support Option 61
field.
9
Raisecom(config)#ip dhcp snooping
autosave enable
(Optional) enable auto-saving of the
DHCP Snooping binding table.
10
Raisecom(config)#ip dhcp snooping
autosave write-interval tim e
(Optional) configure the interval for
automatically saving the DHCP
Snooping binding table.
6.3.5 Configure DHCP Snooping to support Option 82
Configure DHCP Snooping to support Option 82 for the ISCOM2600G-HI series switch as
below.
Step
Command
Description
1
Raisecom#config
Enter global configuration mode.
2
Raisecom(config)#ip dhcp snooping
information option
Configure global DHCP Snooping
to support Option 82.
3
Raisecom(config)#interface
interface-type interface-number
Enter physical layer interface
configuration mode.
4
Raisecom(config-
gigaethernet1/1/port)#ip dhcp
snooping information option vlan-
list vlan-list
(Optional) configure the lists of
VLANs that support Option 82
through interface DHCP Snooping.