AR router not advertise ipv6 Getaway to PC

487 0 0 0
 Fault Type Service >> IP Service >> IPv6
 Issue Description
Customer configuration dhcpv6 in AR160 router.
After test found PC can get ip and dns but can't get gateway

product:
AR161FG-L V200R007C00SPCb00

 Alarm Information

PC NIC detail as follow:

f4de05f28358452bab516adb662cc6d4

 Handling Process
Check the current configuration of dhcpv6

dhcpv6 pool tv
 address prefix 2405:6400:46:2000::/51
 dns-server 2405:6400::991
 dns-server 2405:6400:1000::5811
 
interface GigabitEthernet0/0/0
 undo portswitch
 ipv6 enable
 ipv6 address 2405:6400:46:2002::1/51
 dhcpv6 server tv

Found the comfiguration miss with "undo ipv6 nd ra halt"

Usage Scenario

When a device is connected to a host, it periodically sends RA packets to the host. An RA packet carries the IPv6 address prefix and flag information of stateful autoconfiguration. You can run the undo ipv6 nd ra halt command to enable the device to send RA packets.
When a device is connected to another device, that is, there is no host on the network, sending RA packets is not required. The default configuration is recommended.

 Root Cause

Comfiguration miss with "undo ipv6 nd ra halt"

 Solution

Add bellow command under interface:

interface GigabitEthernet0/0/0
undo portswitch
ipv6 enable
ipv6 address 2405:6400:46:2002::1/51
dhcpv6 server tv
undo ipv6 nd ra halt



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