標籤:
今天在公司測試Linux bridge搭建,為了使內部docker容器的網路能夠不經過2層封裝轉寄對外公布,顧試用一下bridge功能,結果碰到報錯:"Bringing up interface eno16777736: Error: Connection activation failed: Master connection not found or invalid"
具體錯誤是:
Mar 16 10:56:04 cloud01 systemd[1]: Starting LSB: Bring up/down networking...Mar 16 10:56:05 cloud01 network[876]: Bringing up loopback interface: Could not load file ‘/etc/sysconfig/network-scripts/ifcfg-lo‘Mar 16 10:56:05 cloud01 network[876]: Could not load file ‘/etc/sysconfig/network-scripts/ifcfg-lo‘Mar 16 10:56:06 cloud01 network[876]: Could not load file ‘/etc/sysconfig/network-scripts/ifcfg-lo‘Mar 16 10:56:06 cloud01 network[876]: Could not load file ‘/etc/sysconfig/network-scripts/ifcfg-lo‘Mar 16 10:56:06 cloud01 network[876]: [ OK ]Mar 16 10:56:06 cloud01 network[876]: Bringing up interface eno16777736: Error: Connection activation failed: Master connection not found or invalidMar 16 10:56:06 cloud01 network[876]: [FAILED]Mar 16 10:56:06 cloud01 network[876]: Bringing up interface br0: Could not load file ‘/etc/sysconfig/network-scripts/ifcfg-br0‘Mar 16 10:56:06 cloud01 network[876]: Could not load file ‘/etc/sysconfig/network-scripts/ifcfg-br0‘Mar 16 10:56:14 cloud01 network[876]: Determining IP information for br0... failed; no link present. Check cable?Mar 16 10:56:14 cloud01 network[876]: [FAILED]Mar 16 10:56:14 cloud01 systemd[1]: network.service: control process exited, code=exited status=1Mar 16 10:56:14 cloud01 systemd[1]: Failed to start LSB: Bring up/down networking.Mar 16 10:56:14 cloud01 systemd[1]: Unit network.service entered failed state.
經過一番google,得出答案是得禁用NetworkManager。
執行如下命令:
systemctl stop NetworkManagersystemctl disable NetworkManager
你可以選擇重啟,或者僅單單重啟network服務即可修複。
啟用後效果:
# brctl showbridge name bridge id STP enabled interfacesbr0 8000.000c295f4d67 yes eno16777736
參考資料:
https://www.centos.org/forums/viewtopic.php?f=50&t=51000
本文到此結束,謝謝!
CentOS 7.1 Bridge啟用STP報錯"Master connection not found or invalid"