Displaying And Maintaining The Dhcp Relay Agent; Dhcp Relay Agent Configuration Example - H3C S9500 Series Operation Manual

Operation Manual – DHCP
H3C S9500 Series Routing Switches
Enter system view
Enable DHCP relay agent
handshake function
Configure the interval at
which DHCP relay
dynamic user address
entries are refreshed

3.1.3 Displaying and Maintaining the DHCP Relay Agent

Display DHCP relay agent
information on specified
VLAN interface(s)
Display information about
legal user address entries
on the DHCP relay agent
Enable specified DHCP
relay agent debugging
Disable specified DHCP
relay agent debugging

3.1.4 DHCP Relay Agent Configuration Example

I. Network requirements
As shown in
(10.110.0.0) are connected to a switch through VLAN-interface 2. The switch, acting as
a DHCP relay agent, is supposed to forward DHCP packets between the two DHCP
clients and the DHCP server with the IP address of 202.38.1.2.
To do...
system-view
dhcp relay security
tracker enable
dhcp relay security
tracker { interval | auto }
To do...
display dhcp relay address
{ interface vlan-interface vlan-id |
all }
display dhcprelay-security
[ ip-address ]
debugging dhcp relay { all | packet |
error | event }
undo debugging dhcp relay { all |
packet | error | event }
Figure 3-2, two DHCP clients located at the same network segment
Chapter 3 DHCP Relay Agent Configuration
Use the command...
Use the command...
3-7
Remarks
—
Enabled by default.
Optional
By default, the refreshing
interval is auto, that is, the
agent automatically
calculates the refreshing
interval according to the
number of entries.
Remarks
Available in
any view
Available in
user view