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CentOS7 NetworkManager ネットワーク管理メモ
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| ### NetworkManagerでネットワーク管理 | |
| - 確認するときnmtui使えるのは大きいと思う | |
| - セットアップはnmcliでやる | |
| - 設定ファイルは/etc/sysconfig/network-scriptに入っている | |
| - 設定ファイルを保存した時点で自動的にNetworkManagerが設定を行うので注意 | |
| # デバイス確認 | |
| nmcli device | |
| nmcli connection show | |
| # bridgeデバイスの作成とデバイスへのIPアドレス設定 | |
| nmcli con add type bridge ifname br0 | |
| nmcli con modify bridge-br0 | |
| nmcli con modify bridge-br0 ipv4.method manual ipv4.address "192.168.11.X/24" ipv4.gateway 192.168.11.1 ipv4.dns 8.8.8.8 | |
| nmcli con modify bridge-br0 ipv6.method ignore | |
| # 設定確認 | |
| nmcli con show bridge-br0 | |
| # 物理デバイスへの割り付け | |
| nmcli con add type bridge-slave ifname enp2s0 master bridge-br0 | |
| # 本来の物理デバイスを削除 | |
| nmcli con del enp2s0 | |
| # NetworkManager 再起動 ※念のため | |
| systemctl restart NetworkManager | |
| # スクリプト確認 | |
| [root@dev0 ~]# ls /etc/sysconfig/network-scripts/ | |
| ifcfg-bridge-br0 ifdown-isdn ifup-bnep ifup-routes | |
| ifcfg-bridge-slave-enp2s0 ifdown-post ifup-eth ifup-sit | |
| ifcfg-eno1 ifdown-ppp ifup-ib ifup-Team | |
| ifcfg-lo ifdown-routes ifup-ippp ifup-TeamPort | |
| ifdown ifdown-sit ifup-ipv6 ifup-tunnel | |
| ifdown-bnep ifdown-Team ifup-isdn ifup-wireless | |
| ifdown-eth ifdown-TeamPort ifup-plip init.ipv6-global | |
| ifdown-ib ifdown-tunnel ifup-plusb network-functions | |
| ifdown-ippp ifup ifup-post network-functions-ipv6 | |
| ifdown-ipv6 ifup-aliases ifup-ppp | |
| [root@dev0 ~]# cat /etc/sysconfig/network-scripts/ifcfg-bridge-br0 | |
| DEVICE=br0 | |
| STP=no | |
| TYPE=Bridge | |
| BOOTPROTO=none | |
| DEFROUTE=yes | |
| IPV4_FAILURE_FATAL=no | |
| IPV6INIT=no | |
| IPV6_AUTOCONF=yes | |
| IPV6_DEFROUTE=yes | |
| IPV6_FAILURE_FATAL=no | |
| IPV6_ADDR_GEN_MODE=stable-privacy | |
| NAME=bridge-br0 | |
| UUID=BRIDGEのUUID | |
| ONBOOT=yes | |
| DNS1=8.8.8.8 | |
| IPV6_PEERDNS=yes | |
| IPV6_PEERROUTES=yes | |
| IPADDR=192.168.11.110 | |
| PREFIX=24 | |
| GATEWAY=192.168.11.1 | |
| [root@dev0 ~]# cat /etc/sysconfig/network-scripts/ifcfg-bridge- | |
| ifcfg-bridge-br0 ifcfg-bridge-slave-enp2s0 | |
| [root@dev0 ~]# cat /etc/sysconfig/network-scripts/ifcfg-bridge-slave-enp2s0 | |
| TYPE=Ethernet | |
| NAME=bridge-slave-enp2s0 | |
| UUID=デバイスのUUID | |
| DEVICE=enp2s0 | |
| ONBOOT=yes | |
| BRIDGE_UUID=BRIDGEのUUID | |
| BRIDGE=br0 |
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