Displaying And Maintaining The Dhcp Relay Agent Configuration; Dhcp Relay Agent Configuration Example - 3Com MSR 50 Series Configuration Manual

596 C 34: DHCP R
HAPTER
Displaying and
Maintaining the DHCP
Relay Agent
Configuration
DHCP Relay Agent
Configuration
Example
A C
ELAY GENT ONFIGURATION
To do...
Enter system view
Enter interface view
Enable the relay agent to
support Option 82
Configure the handling
strategy for requesting
messages containing Option
82
Configure the padding format
for Option 82
n
To support Option 82, it is required to perform related configuration on both
■
the DHCP server and relay agent. Refer to
Option 82" on page 584
If the handling strategy of the DHCP relay agent is configured as replace, you
■
need to configure a padding format for Option 82. If the handling strategy is
keep or drop, you need not configure any padding format.
If sub-option 1 (node identifier) of Option 82 is padded with the device name
■
(sysname) of a node, the device name must contain no spaces. Otherwise, the
DHCP relay agent will drop the message.
To do...
Display information about DHCP
server groups correlated to a
specified or all interfaces
Display information about bindings
of DHCP relay agents
Display statistics information about
bindings of DHCP relay agents
Display information about the
refreshing interval for entries of
dynamic IP-to-MAC bindings
Display information about the
configuration of a specified or all
DHCP server groups
Display packet statistics on relay
agent
Clear packet statistics from relay
agent
Network requirements
Ethernet1/1 of the DHCP relay agent (Router A) connects to the subnet where
DHCP clients reside. The IP address of Ethernet1/1 is 10.10.1.1/24, and the IP
Use the command...
system-view
interface interface-type
interface-number
dhcp relay information
enable
dhcp relay information
strategy { drop | keep |
replace }
dhcp relay information
format { normal | verbose
[ node-identifier { mac |
sysname | user-defined
node-identifier } ] }
"Configuring the Handling Mode for
for DHCP server configuration of this kind.
Use the command...
display dhcp relay { all |
interface interface-type
interface-number }
display dhcp relay security
[ ip-address | dynamic | static ]
display dhcp relay security
statistics
display dhcp relay security
tracker
display dhcp relay
server-group { group-id | all }
display dhcp relay statistics
[ server-group { group-id |
all } ]
reset dhcp relay statistics
[ server-group group-id ]
Remarks
-
-
Required
Disabled by default.
Optional
replace by default.
Optional
normal by default.
Remarks
Available in any view
Available in any view
Available in any view
Available in any view
Available in any view
Available in user view
Available in user view