536 CHAPTER 46: IPV6 MANGEMENT CONFIGURATION
Configure the neighbor reachable timeout time on an interface
After a neighbor passed the reachability detection, the device considers the
neighbor to be reachable in a specific period. However, the device will examine
whether the neighbor is reachable again when there is a need to send packets to
the neighbor after the neighbor reachable timeout time elapsed.
Configuring a Static IPv6
Route
You can configure static IPv6 routes for network interconnection in a small sized
IPv6 network. Compared with dynamic routes, static routes save bandwidth
significantly.
Configuring IPv6 TCP
Properties
The IPv6 TCP properties you can configure include:
■ synwait timer: When a SYN packet is sent, the synwait timer is triggered. If no
response packet is received before the synwait timer expires, the IPv6 TCP
connection establishment fails.
■ finwait timer: When the IPv6 TCP connection status is FIN_WAIT_2, the finwait
timer is triggered. If no packet is received before the finwait timer expires, the
IPv6 TCP connection is terminated. If FIN packets are received, the IPv6 TCP
connection status becomes TIME_WAIT. If other packets are received, the
finwait timer is reset from the last packet and the connection is terminated
after the finwait timer expires.
■ Size of IPv6 TCP receiving/sending buffer.
Specify the NS interval ipv6 nd ns retrans-timer value Optional
1,000
milliseconds by
default
Tabl e 393 Configure the neighbor reachable timeout time on an interface
To do... Use the command... Remarks
Enter system view system-view -
Enter VLAN interface
view
interface interface-type interface-number -
Configure the neighbor
reachable timeout time
ipv6 nd nud reachable-time value Optional
30,000
milliseconds
Table 392 Configure the NS interval
To do... Use the command... Remarks
Tabl e 394 Configure a static IPv6 route
To do... Use the command... Remarks
Enter system view system-view -
Configure a static
IPv6 route
ipv6 route-static ipv6-address
prefix-length [ interface-type
interface-number] nexthop-address
Required
By default, no static IPv6
route is configured.
Tabl e 395 Configure IPv6 TCP properties
To do... Use the command... Remarks
Enter system view system-view -
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