Operation Manual – IPv6 Management
H3C S5600 Series Ethernet Switches
Chapter 1 IPv6 Configuration
1-14
Follow these steps to configure a static neighbor entry:
To do...
Use the command...
Remarks
Enter system view
system-view
—
Configure a static
neighbor entry
ipv6 neighbor ipv6-address
mac-address
{
vlan-id port-type
port-number
|
interface
interface-type interface-number
}
Required
II. Configuring the maximum number of neighbors dynamically learned
The device can dynamically acquire the link-layer address of a neighbor node through
NS and NA messages and add it to the neighbor table. Too large a neighbor table may
lead to the forwarding performance degradation of the device. Therefore, you can
restrict the size of the neighbor table by setting the maximum number of neighbors that
an interface can dynamically learn. When the number of dynamically learned neighbors
reaches the threshold, the interface will stop learning neighbor information.
Follow these steps to configure the maximum number of neighbors dynamically
learned:
To do…
Use the command…
Remarks
Enter system view
system-view
—
Enter VLAN interface view
interface interface-type
interface-number
—
Configure the maximum
number of neighbors
dynamically learned by an
interface
ipv6 neighbors
max-learning-num
number
Optional
The default value is 2,048
III. Configuring the attempts to send an ns message for duplicate address
detection
The device sends a neighbor solicitation (NS) message for duplicate address detection.
If the device does not receive a response within a specified time (set by the
ipv6 nd ns
retrans-timer
command), the device continues to send an NS message. If the device
still does not receive a response after the number of attempts to send an NS message
reaches the maximum, the device judges the acquired address is available.
