====== Bonding CentOS 7 - nmcli====== Indificando as interfaces [root@centos ~]# nmcli connect show NOME UUID TIPO DISPOSITIVO Conexão cabeada 1 539e96e1-f43e-4416-aa34-0f03516f7fd7 802-3-ethernet eth1 eth0 3b7ef3e5-f255-4ee7-96f5-da7189d74b4d 802-3-ethernet eth0 Conexão cabeada 2 81e30c41-da8d-4a5b-a4e3-b4553508ac3b 802-3-ethernet eth2 Remover as configurações existentes nas interfaces a serem usadas - eth1 e eth2 [root@centos ~]# nmcli connect del 539e96e1-f43e-4416-aa34-0f03516f7fd7 Connection 'Conexão cabeada 1' (539e96e1-f43e-4416-aa34-0f03516f7fd7) successfully deleted. [root@centos ~]# nmcli connect del 81e30c41-da8d-4a5b-a4e3-b4553508ac3b Connection 'Conexão cabeada 2' (81e30c41-da8d-4a5b-a4e3-b4553508ac3b) successfully deleted. Criando a interface bonding [root@centos ~]# nmcli con add type bond con-name bond0 ifname bond0 mode active-backup A conexão "bond0" (267c030a-01bc-4dfa-b5b6-2e9c5bf34bbf) foi adicionada com sucesso. Configuração da rede [root@centos ~]# nmcli con mod bond0 ipv4.addresses 192.0.2.58/24 [root@centos ~]# nmcli con mod bond0 ipv4.gateway 192.0.2.1 [root@centos ~]# nmcli con mod bond0 ipv4.method manual [root@centos ~]# nmcli con mod bond0 ipv4.dns 192.0.2.200 ipv4.dns-search exemplo.org Adicionando a interface eth1 para a interface bonding: [root@centos ~]# nmcli con add type bond-slave con-name eth1 ifname eth1 master bond0 A conexão "eth1" (dfb24655-ce58-49d0-99e8-d376cfd9333c) foi adicionada com sucesso. Adicionando a interface eth1 para a interface bonding [root@centos ~]# nmcli con add type bond-slave con-name eth2 ifname eth2 master bond0 A conexão "eth2" (47b11bdb-fed4-41ce-b30e-a4ac1b86b9af) foi adicionada com sucesso. Checando as configurações: [root@centos ~]# ip addr show eth1 3: eth1: mtu 1500 qdisc pfifo_fast master bond0 state UP qlen 1000 link/ether 52:54:00:55:d1:f9 brd ff:ff:ff:ff:ff:ff [root@centos ~]# ip addr show eth2 5: eth2: mtu 1500 qdisc pfifo_fast master bond0 state UP qlen 1000 link/ether 52:54:00:55:d1:f9 brd ff:ff:ff:ff:ff:ff [root@centos ~]# ip addr show bond0 6: bond0: mtu 1500 qdisc noqueue state UNKNOWN link/ether 52:54:00:55:d1:f9 brd ff:ff:ff:ff:ff:ff inet 192.0.2.58/24 brd 192.0.2.255 scope global bond0 valid_lft forever preferred_lft forever inet6 2001:db8::5054:ff:fe55:d1f9/64 scope global noprefixroute dynamic valid_lft 3435sec preferred_lft 3435sec inet6 fe80::5054:ff:fe55:d1f9/64 scope link valid_lft forever preferred_lft forever [root@centos ~]# cat /etc/sysconfig/network-scripts/ifcfg-bond0 DEVICE=bond0 TYPE=Bond BONDING_MASTER=yes BOOTPROTO=none DEFROUTE=yes IPV4_FAILURE_FATAL=no IPV6INIT=yes IPV6_AUTOCONF=yes IPV6_DEFROUTE=yes IPV6_FAILURE_FATAL=no NAME=bond0 UUID=267c030a-01bc-4dfa-b5b6-2e9c5bf34bbf ONBOOT=yes BONDING_OPTS=mode=active-backup IPADDR=192.0.2.58 PREFIX=24 GATEWAY=192.0.2.1 DNS1=192.0.2.200 DOMAIN=exemplo.org IPV6_PEERDNS=yes IPV6_PEERROUTES=yes [root@centos ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth1 TYPE=Ethernet NAME=eth1 UUID=dfb24655-ce58-49d0-99e8-d376cfd9333c DEVICE=eth1 ONBOOT=yes MASTER=bond0 SLAVE=yes [root@centos ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth2 TYPE=Ethernet NAME=eth2 UUID=47b11bdb-fed4-41ce-b30e-a4ac1b86b9af DEVICE=eth2 ONBOOT=yes MASTER=bond0 SLAVE=yes [root@centos ~]# nmcli connect show bond0 connection.id: bond0 connection.uuid: 267c030a-01bc-4dfa-b5b6-2e9c5bf34bbf connection.interface-name: bond0 connection.type: bond connection.autoconnect: yes connection.autoconnect-priority: 0 connection.timestamp: 1454633078 connection.read-only: no connection.permissions: connection.zone: -- connection.master: -- connection.slave-type: -- connection.autoconnect-slaves: -1 (default) connection.secondaries: connection.gateway-ping-timeout: 0 connection.metered: desconhecido ipv4.method: manual ipv4.dns: 192.0.2.200 ipv4.dns-search: exemplo.org ipv4.addresses: 192.0.2.58/24 ipv4.gateway: 192.0.2.1 ipv4.routes: ipv4.route-metric: -1 ipv4.ignore-auto-routes: no ipv4.ignore-auto-dns: no ipv4.dhcp-client-id: -- ipv4.dhcp-send-hostname: yes ipv4.dhcp-hostname: -- ipv4.never-default: no ipv4.may-fail: yes ipv6.method: auto ipv6.dns: ipv6.dns-search: ipv6.addresses: ipv6.gateway: -- ipv6.routes: ipv6.route-metric: -1 ipv6.ignore-auto-routes: no ipv6.ignore-auto-dns: no ipv6.never-default: no ipv6.may-fail: yes ipv6.ip6-privacy: -1 (desconhecido) ipv6.dhcp-send-hostname: yes ipv6.dhcp-hostname: -- bond.options: mode=active-backup GENERAL.NOME: bond0 GENERAL.UUID: 267c030a-01bc-4dfa-b5b6-2e9c5bf34bbf GENERAL.DISPOSITIVOS: bond0 GENERAL.ESTADO: ativado GENERAL.PADRÃO: não GENERAL.PADRÃO6: sim GENERAL.VPN: não GENERAL.ZONA: -- GENERAL.CAMINHO DBUS: /org/freedesktop/NetworkManager/ActiveConnection/4 GENERAL.CAMINHO CON: /org/freedesktop/NetworkManager/Settings/4 GENERAL.OBJETO-ESPEC.: / GENERAL.CAMINHO PRINCIPAL: -- IP4.ENDEREÇO[1]: 192.0.2.58/24 IP4.MÁQUINA: 192.0.2.1 IP4.DNS[1]: 192.0.2.200 IP6.ENDEREÇO[1]: 2001:db8::5054:ff:fe55:d1f9/64 IP6.ENDEREÇO[2]: fe80::5054:ff:fe55:d1f9/64 IP6.MÁQUINA: fe80::5054:ff:feb4:1508 IP6.ROTA[1]: dst = 2001:db8::/64, nh = ::, mt = 300 IP6.DNS[1]: fe80::5054:ff:feb4:1508 [root@centos ~]# nmcli connect show eth1 connection.id: eth1 connection.uuid: dfb24655-ce58-49d0-99e8-d376cfd9333c connection.interface-name: eth1 connection.type: 802-3-ethernet connection.autoconnect: yes connection.autoconnect-priority: 0 connection.timestamp: 1454633078 connection.read-only: no connection.permissions: connection.zone: -- connection.master: bond0 connection.slave-type: bond connection.autoconnect-slaves: -1 (default) connection.secondaries: connection.gateway-ping-timeout: 0 connection.metered: desconhecido 802-3-ethernet.port: -- 802-3-ethernet.speed: 0 802-3-ethernet.duplex: -- 802-3-ethernet.auto-negotiate: yes 802-3-ethernet.mac-address: -- 802-3-ethernet.cloned-mac-address: -- 802-3-ethernet.mac-address-blacklist: 802-3-ethernet.mtu: auto 802-3-ethernet.s390-subchannels: 802-3-ethernet.s390-nettype: -- 802-3-ethernet.s390-options: 802-3-ethernet.wake-on-lan: 1 (default) 802-3-ethernet.wake-on-lan-password: -- GENERAL.NOME: eth1 GENERAL.UUID: dfb24655-ce58-49d0-99e8-d376cfd9333c GENERAL.DISPOSITIVOS: eth1 GENERAL.ESTADO: ativado GENERAL.PADRÃO: não GENERAL.PADRÃO6: não GENERAL.VPN: não GENERAL.ZONA: -- GENERAL.CAMINHO DBUS: /org/freedesktop/NetworkManager/ActiveConnection/5 GENERAL.CAMINHO CON: /org/freedesktop/NetworkManager/Settings/5 GENERAL.OBJETO-ESPEC.: / GENERAL.CAMINHO PRINCIPAL: /org/freedesktop/NetworkManager/Devices/5 IP4.MÁQUINA: IP6.MÁQUINA: [root@centos ~]# nmcli connect show eth2 connection.id: eth2 connection.uuid: 47b11bdb-fed4-41ce-b30e-a4ac1b86b9af connection.interface-name: eth2 connection.type: 802-3-ethernet connection.autoconnect: yes connection.autoconnect-priority: 0 connection.timestamp: 1454633078 connection.read-only: no connection.permissions: connection.zone: -- connection.master: bond0 connection.slave-type: bond connection.autoconnect-slaves: -1 (default) connection.secondaries: connection.gateway-ping-timeout: 0 connection.metered: desconhecido 802-3-ethernet.port: -- 802-3-ethernet.speed: 0 802-3-ethernet.duplex: -- 802-3-ethernet.auto-negotiate: yes 802-3-ethernet.mac-address: -- 802-3-ethernet.cloned-mac-address: -- 802-3-ethernet.mac-address-blacklist: 802-3-ethernet.mtu: auto 802-3-ethernet.s390-subchannels: 802-3-ethernet.s390-nettype: -- 802-3-ethernet.s390-options: 802-3-ethernet.wake-on-lan: 1 (default) 802-3-ethernet.wake-on-lan-password: -- GENERAL.NOME: eth2 GENERAL.UUID: 47b11bdb-fed4-41ce-b30e-a4ac1b86b9af GENERAL.DISPOSITIVOS: eth2 GENERAL.ESTADO: ativado GENERAL.PADRÃO: não GENERAL.PADRÃO6: não GENERAL.VPN: não GENERAL.ZONA: -- GENERAL.CAMINHO DBUS: /org/freedesktop/NetworkManager/ActiveConnection/6 GENERAL.CAMINHO CON: /org/freedesktop/NetworkManager/Settings/6 GENERAL.OBJETO-ESPEC.: / GENERAL.CAMINHO PRINCIPAL: /org/freedesktop/NetworkManager/Devices/5 IP4.MÁQUINA: IP6.MÁQUINA: [root@centos ~]# ping -c3 192.0.2.58 PING 192.0.2.58 (192.0.2.58) 56(84) bytes of data. 64 bytes from 192.0.2.58: icmp_seq=1 ttl=64 time=0.012 ms 64 bytes from 192.0.2.58: icmp_seq=2 ttl=64 time=0.025 ms 64 bytes from 192.0.2.58: icmp_seq=3 ttl=64 time=0.028 ms --- 192.0.2.58 ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 1999ms rtt min/avg/max/mdev = 0.012/0.021/0.028/0.008 ms [root@centos ~]# cat /proc/net/bonding/bond0 Ethernet Channel Bonding Driver: v3.7.1 (April 27, 2011) Bonding Mode: fault-tolerance (active-backup) Primary Slave: None Currently Active Slave: eth1 MII Status: up MII Polling Interval (ms): 100 Up Delay (ms): 0 Down Delay (ms): 0 Slave Interface: eth1 MII Status: up Speed: Unknown Duplex: Unknown Link Failure Count: 0 Permanent HW addr: 52:54:00:55:d1:f9 Slave queue ID: 0 Slave Interface: eth2 MII Status: up Speed: Unknown Duplex: Unknown Link Failure Count: 0 Permanent HW addr: 52:54:00:0c:81:57 Slave queue ID: 0 Referências: - [[http://www.certdepot.net/rhel7-configure-network-bonding-between-two-rhel-systems/]] - [[http://pplware.sapo.pt/microsoft/windows/nic-bonding-aprenda-o-que-e-e-como-configurar/]] - [[http://initrd.org/wiki/RHEL7_Networking]] - [[https://wiki.polaire.nl/doku.php?id=rhel7_teaming_instead_of_bonding]] - [[http://enakai00.hatenablog.com/entry/20150118/1421587442]] - [[https://www.hogarthuk.com/?q=node/8]] - [[http://www.stojanveselinovski.com/blog/2016/01/28/centos-7-teamed-interface-on-virtual-box/]] - [[https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/sec-Network_Bonding_Using_the_NetworkManager_Command_Line_Tool_nmcli.html]] - [[https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Networking_Guide/sec-Using_the_NetworkManager_Command_Line_Tool_nmcli.html]]