140
DHCP Server:
Application-2 (Local in different VLANs)
The DHCP cleint-1 and DHCP client-2 are located in different VLAN. But they allocate IP
address from the same DHCP server.
Switch DHCP Relay Agent
Server client client client client client client client
VLAN 1: port 1,2 (Management VLAN)
VLAN 2: port 3, 4
VLAN 3: port 5, 6
VLAN 4: port 7, 8
DHCP Server
Port 1.
DHCP Client
Port 2, 3, 4, 5, 6, 7, 8.
Result:
Hosts connected to port 2,3,4,5,6,7,8 can get IP from DHCP server.
Notes
:
•
The DHCP Server must connect to the management VLAN member ports.
•
The DHCP Relay in management VLAN should be enabled.
Default Settings
The default global DHCP relay state is disabled.
The default VLAN DHCP relay state is disabled for all VLANs.
The default DHCP server is 0.0.0.0
6.5.1
CLI Configuration
Node
Command
Description
enable
show dhcp relay
This command displays the current configurations for
the DHCP relay.
enable
configure terminal
This command changes the node to configure node.
configure dhcp relay (disable |
enable)
This command disables/enables the DHCP relay on the
switch.
configure dhcp relay vlan
VLAN_RANGE
This command enables the DHCP relay function on a
VLAN or a range of VLANs.
configure no dhcp relay vlan
This command disables the DHCP relay function on a
1
2
3
4
6
5
7
8
Summary of Contents for NGI-M08C4POE8-2
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