Lenovo RackSwitch G8332, Справочник по командам

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© Copyright Lenovo 2016 Chapter 4: Configuration Commands
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Option 82 Configuration
These commands allow you to configure DHCP option 82 information. The switch
can use the following DHCP option 82 sub ‐ options to allocate server addresses.
 Circuit ID: Identifies the host name or MAC addresses of the switch making the
DHCP request.
 Remote ID: Identifies the port that receives the DHCP request.
DHCP Relay Agent (Option 82) is defined in RFC 3046.
no ip bootp ­ relay bcast ­ domain
<1 ‐ 10>
Deletes the selected broadcast domain configuration.
Command mode: Global configuration
show ip bootp ­ relay
Displays the current parameters for the BOOTP Relay broadcast domain.
Command mode: All
Table 326.
BOOTP Relay Broadcast Domain Configuration Options (continued)
Command Syntax and Usage
Table 327.
Option 82 Configuration Options
Command Syntax and Usage
[no] ip bootp ­ relay information enable
Enables or disables BOOTP Option 82.
Command mode: Global configuration
ip bootp ­ relay information policy {keep|drop|replace}
Configures the DHCP re ‐ forwarding policy, as follows:

keep
: Retains requests that contain relay information if the option 82
information is also present.

drop
: Discards requests that contain relay information if the option 82
information is also present.

replace
: Replaces the relay information in requests that also contain
option 82 information.
Command mode: Global configuration
no ip bootp ­ relay information policy
Removes the DHCP re ‐ forwarding policy.
Command mode: Global configuration
show ip bootp ­ relay
Displays the current BOOTP Option 82 parameters.
Command mode: All