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quit
b. Enter interface view.
interface interface-type interface-number
This interface must connect to the DHCPv6 client.
c. Enable recording of client information in DHCPv6 snooping entries.
ipv6 dhcp snooping binding record
By default, DHCPv6 snooping does not record client information.
Configuring DHCP snooping support for Option 18
1. Enter system view.
system-view
2. Enter interface view.
interface interface-type interface-number
3. Enable DHCP snooping support for Option 18.
ipv6 dhcp snooping option interface-id enable
By default, DHCP snooping support for Option 18 is disabled.
4. (Optional.) Specify the content as the interface ID.
ipv6 dhcp snooping option interface-id [ vlan vlan-id ] string
interface-id
By default, the DHCPv6 snooping device uses its DUID as the content for Option 18.
Configuring DHCP snooping support for Option 37
1. Enter system view.
system-view
2. Enter interface view.
interface interface-type interface-number
3. Enable DHCP snooping support for Option 37.
ipv6 dhcp snooping option remote-id enable
By default, DHCP snooping support for Option 37 is disabled.
4. (Optional.) Specify the content as the remote ID.
ipv6 dhcp snooping option remote-id [ vlan vlan-id ] string remote-id
By default, the DHCPv6 snooping device uses its DUID as the content for Option 37.
Configuring DHCPv6 snooping entry auto backup
About DHCPv6 snooping entry auto backup
The auto backup feature saves DHCPv6 snooping entries to a backup file, and allows the DHCPv6
snooping device to download the entries from the backup file at reboot. The entries on the DHCPv6
snooping device cannot survive a reboot. The auto backup helps the security features provide
services if these features (such as IP source guard) must use DHCPv6 snooping entries for user
authentication.
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