The NCE is failed to connect with GNE.

Hello, everyone!

Today, I'd like to share a case with you.

Problem Description

The NCE is failed to connect with GNE.

Problem Analysis

Check the network segment of NCE and GNE, and find NCE segment is 172.16.50.0 mask 255.255.255.128 gateway 172.16.50.1, and the GNE segment is 172.16.50.128 mask 255.255.255.128 gateway 172.16.50.129.

Root Cause

NCE and GNE are different subnet, need to add a route between NCE and GNE.

Solution Description

1. Run the route command to add a temporary route.

   route add -net 172.16.50.128 netmask 255.255.255.128 gw 172.16.50.1 dev eth0
   

   2. Add permanent route to the Euler OS. After the system is restarted, the permanent route will not be lost. 

      a. vi /etc/sysconfig/static-routes

      b. add this command in the /etc/sysconfig/static-routes;

      any net 172.16.50.128/25 gw 172.16.50.1

      c. service network restart

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