H3C Technologies H3C S3100 Series Switches - Manual (Page 922)

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Configuring ND snooping
Follow these steps to configure ND snooping:
To do… Use the command… Remarks
Enter system view system-view —
Enter VLAN view vlan vlan-id —
Enable ND snooping ipv6 nd snooping enable
Required
Disabled by default.
Return to system view quit —
Enter Layer 2 Ethernet
interface view interface interface-type
interface-number
—
Configure the maximum
number of ND snooping
entries an interface can learn
ipv6 nd snooping
max-learning-num number
Optional
By default, the number of ND
snooping entries an interface can
learn is 1024.
Configuring an ND snooping uplink port
In a large Layer 2 network, if an uplink port on the device learns a large number of ND snooping entries,
the system resources will be consumed. To prevent such a problem, you can configure the uplink port
as an ND snooping uplink port.
Follow these steps to configure an ND snooping uplink port:
To do… Use the command… Remarks
Enter system view system-view —
Enter Layer 2 Ethernet port view
interface interface-type
interface-number
—
Configure the port as an ND
snooping uplink port ipv6 nd snooping uplink [ learn
[ probe ] ] Optional
Not configured by default.
Configuring the ND Detection
Among the S3100 series Ethernet switches, only the S3100-EI series support ND Detection.
Follow these steps to configure the ND detection:
To do… Use the command Remarks
Enter system view system-view —
Enter VLAN view vlan vlan-id —
Enable the ND Detection ipv6 nd detection enable
Required
No check on the user legality
Quit system view quit —