H3C S3100 Series

1-19
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
—