Created
June 30, 2015 13:51
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CentOS 7 Bridge - Halp
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| [vagrant@vagrant-centos7 ~]$ brctl show | |
| bridge name bridge id STP enabled interfaces | |
| br0 8000.005056a70416 no eno16780032 | |
| veth0 | |
| [vagrant@vagrant-centos7 ~]$ ip a | |
| 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN | |
| link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 | |
| inet 127.0.0.1/8 scope host lo | |
| valid_lft forever preferred_lft forever | |
| inet6 ::1/128 scope host | |
| valid_lft forever preferred_lft forever | |
| 2: eno16780032: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UP qlen 1000 | |
| link/ether 00:50:56:a7:04:16 brd ff:ff:ff:ff:ff:ff | |
| inet6 fe80::250:56ff:fea7:416/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 3: veth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 | |
| link/ether 02:89:c2:5f:3a:ff brd ff:ff:ff:ff:ff:ff | |
| inet 10.254.10.20/16 brd 10.254.255.255 scope global veth1 | |
| valid_lft forever preferred_lft forever | |
| inet6 fe80::89:c2ff:fe5f:3aff/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 4: veth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master br0 state UP qlen 1000 | |
| link/ether f6:28:18:47:51:fa brd ff:ff:ff:ff:ff:ff | |
| inet6 fe80::f428:18ff:fe47:51fa/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 5: br0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP | |
| link/ether 00:50:56:a7:04:16 brd ff:ff:ff:ff:ff:ff | |
| inet 10.254.65.56/16 brd 10.254.255.255 scope global dynamic br0 | |
| valid_lft 595sec preferred_lft 595sec | |
| inet6 fe80::250:56ff:fea7:416/64 scope link | |
| valid_lft forever preferred_lft forever | |
| [vagrant@vagrant-centos7 ~]$ | |
| [vagrant@vagrant-centos7 ~]$ ping -I veth1 8.8.8.8 | |
| PING 8.8.8.8 (8.8.8.8) from 10.254.10.20 veth1: 56(84) bytes of data. | |
| From 10.254.10.20 icmp_seq=1 Destination Host Unreachable | |
| From 10.254.10.20 icmp_seq=2 Destination Host Unreachable | |
| From 10.254.10.20 icmp_seq=3 Destination Host Unreachable | |
| From 10.254.10.20 icmp_seq=4 Destination Host Unreachable | |
| ^C | |
| --- 8.8.8.8 ping statistics --- | |
| 4 packets transmitted, 0 received, +4 errors, 100% packet loss, time 2999ms | |
| pipe 4 | |
| [vagrant@vagrant-centos7 ~]$ | |
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[vagrant@vagrant-centos7 ~]$ netstat -n -r
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt Iface
0.0.0.0 10.254.0.1 0.0.0.0 UG 0 0 0 br0
10.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 veth1
10.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 br0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 veth1
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 veth0
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 br0