Agent Between Clients And Dhcp Server - Dell PowerConnect J-EX4200-24T Software Manual

Results
Related
Documentation
Example: Setting Up DHCP Option 82 on a J-EX Series Switch with No Relay Agent
Between Clients and DHCP Server
[edit forwarding-options helpers bootp]
user@switch# set dhcp-option82 remote-id
Configure a prefix for the remote ID suboption (here, the prefix is the MAC address
5.
of the switch):
[edit forwarding-options helpers bootp]
user@switch# set dhcp-option82 remote-id prefix mac
Specify that the remote ID suboption value contains a character string (here, the
6.
string is
employee-switch1
[edit forwarding-options helpers bootp]
user@switch# set dhcp-option82 remote-id use-string employee-switch1
Configure a vendor ID suboption value, and use the default value. To use the default
7.
value, do not type a character string after the
[edit forwarding-options helpers bootp]
user@switch# set dhcp-option82 vendor-id
Check the results of the configuration:
[edit forwarding-options helpers bootp]
user@switch# show
dhcp-option82 {
circuit-id {
prefix hostname;
use-vlan-id;
}
remote-id {
prefix mac;
use-string employee-switch1;
}
vendor-id;
}
Example: Setting Up DHCP Option 82 on a J-EX Series Switch with No Relay Agent
Between Clients and DHCP Server on page 2617
Setting Up DHCP Option 82 with the Switch as a Relay Agent Between Clients and
DHCP Server (CLI Procedure) on page 2646
RFC 3046, DHCP Relay Agent Information Option, at
You can use DHCP option 82, also known as the DHCP relay agent information option,
to help protect the J-EX Series switch against attacks such as spoofing (forging) of IP
addresses and MAC addresses, and DHCP IP address starvation. Option 82 provides
information about the network location of a DHCP client, and the DHCP server uses this
information to implement IP addresses or other parameters for the client.
Chapter 94: Examples: Port Security Configuration
):
vendor-id
http://tools.ietf.org/html/rfc3046.
option keyword:
2617