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[Troubleshooting Series] Case 38 IPv6 can't get access to the gateway

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Physical Network Topology

Figure 1-1 IPv6 can't get access to the gateway

172227co8povj584pzhw8t.png

Fault Description

AR1 can’t ping AR2 based on ipv6 address.

Configuration Files

l   AR1

#
 sysname RouterA
#
ipv6
#
interface GigabitEthernet1/0/0
 ipv6 enable
 ipv6 address fc01::1/64
#
return

l   AR2

#
 sysname RouterB
#
ipv6
#
interface GigabitEthernet1/0/0
 ipv6 enable
 ipv6 address auto link-local
#
return

Troubleshooting Procedure

                               Step 1      Checking the ip address on AR1 and AR2.

AR1 is configured static ip address, and AR2 is configured learn from AR1 automatically

                               Step 2      Checking whether nd rd is enabled on AR1.

                               Step 3      Checking whether AR2 configured generating global ipv6 address

                               Step 4      After modify the commands, AR1 can ping ipv6 AR2.

172227vnsqbhjpp6oqjfwn.png

Root Cause

The ipv6 address and nd is not configured.

 


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