TRENDnet TI-RG262i User Manual page 106

TRENDnet User's Guide
VLAN 1: port 1-10.
DHCP Client-1: connect to port 3.
DHCP Server: connect to port 1.
Procedures:
1. Default environments:
A. DHCP Client-1: ipconfig /release
B. DHCP Client-1: ipconfig /renew
➔ DHCP Client-1 can get an IP address.
2. Enable the global DHCP Snooping.
A. [DEVICE_NAME](config)#dhcp-snooping
B. DHCP Client-1: ipconfig /release
C. DHCP Client-1: ipconfig /renew
➔ DHCP Client-1 can get an IP address.
3. Enable the global DHCP Snooping and VLAN 1 DHCP Snooping.
A. [DEVICE_NAME](config)#dhcp-snooping
B. [DEVICE_NAME](config)#dhcp-snooping vlan 1
C. DHCP Client-1: ipconfig /release
D. DHCP Client-1: ipconfig /renew
➔ DHCP Client-1 cannot get an IP address.
; Because the DHCP server connects to a un-trust port.
4. Enable the global DHCP Snooping and VLAN 1 DHCP Snooping.
A. [DEVICE_NAME](config)#dhcp-snooping
B. [DEVICE_NAME](config)#dhcp-snooping vlan 1
C. [DEVICE_NAME](config)#interface gi1/0/1
D. [DEVICE_NAME](config-if)#dhcp-snooping trust
E. DHCP Client-1: ipconfig /release
F. DHCP Client-1: ipconfig /renew
➔ DHCP Client-1 can get an IP address.
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5. If you configure a static host entry in the DHCP snooping binding table, and then
you want to change the host to DHCP client, the host will not get a new IP from
DHCP server, and then you must delete the static host entry first.
CLI Configuration
Node Command
enable show dhcp-snooping
configure dhcp-snooping (disable|enable)
configure dhcp-snooping vlan VLANID
configure no dhcp-snooping vlan VLANID
configure dhcp-snooping server IPADDR
interface dhcp-snooping host
interface no dhcp-snooping host
interface dhcp-snooping trust
interface no dhcp-snooping trust
configure interface range
gigabitethernet1/0/ PORTLISTS
Managed Industrial L2 Switch
Description
This command displays the current
DHCP snooping configurations.
This command disables/enables the
DHCP snooping on the switch.
This command enables the DHCP
snooping function on a VLAN or
range of VLANs.
This command disables the DHCP
snooping function on a VLAN or
range of VLANs.
This command configures a valid
DHCP server.
This command configures the
maximum host count for the
specific port.
This command configures the
maximum host count to default for
the specific port.
This command configures the trust
port for the specific port.
This command configures the un-
trust port for the specific port.
This command enters the interface
configure node.
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