Optional) Appending The Option 18 Field Or The Option 37 Field To Dhcpv6 Request Messages - Huawei Quidway S3700 Series Configuration Manual

Quidway S3700 Series Ethernet Switches
Configuration Guide - Security
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3.5.6 (Optional) Appending the Option 18 Field or the Option 37
Field to DHCPv6 Request Messages
If the DHCPv6 server needs to obtain information about the interface or MAC address of the
client, the S3700 can append the Option 18 or Option 37 field to DHCPv6 Request messages
sent from a client to the DHCPv6 server.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface interface-type interface-number
The interface view is displayed.
Step 3 Run:
dhcpv6 { option18 | option37 } insert enable
The S3700 is configured to append the Option 18 field or the Option 37 field to DHCPv6 Request
messages.
The Option 18 field contains information about the interface of the client and the Option 37 field
contains information about the MAC address of the client.
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Issue 01 (2011-07-15)
NOTE
If the customized format of the Option 82 field is used (that is, user-defined is specified), it is
recommended that you specify the interface type, slot ID, and interface number in text.
Setting the format of the Option 82 field in the interface view
1. Run:
system-view
The system view is displayed.
2. Run:
interface interface-type interface-number
The interface view is displayed.
3. Run:
dhcp option82 [ vlan vlanid ] [ circuit-id | remote-id ] format { default
| common | extend | user-defined text }
The format of the Option 82 field is set.
NOTE
If the customized format of the Option 82 field is used (that is, user-defined is specified), it is
recommended that you specify the interface type, slot ID, and interface number in text.
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3 DHCP Snooping Configuration
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