yum报错-Network is unreachable"Error:

第三十六章  YUM问题

1.故障描述

客户发现自己能上网，但是yum始终报错

[root@smileface ~]#yum list

Loaded plugins: fastest, refresh-packagekit, securitySetting up

Remove ProcessNo Match for argument: mysql-serverLoading mirror speeds 

from cached hostfileCould not retrieve mirrorlist 

release=6&arch=x86_64&repo=os&infra=stock error was14: 

PYCURL ERROR 7 - "Failed to connect to 2a02:2498:1:3d:5054:ff:fed3:e91a: 

Network is unreachable"Error: Cannot find a valid baseurl for repo: base

 

2.解决方案：

法1

1.替换yum阿里源，未能解决。

2．查看/etc/yum.conf，发现有代理，注释掉即可