Created
April 16, 2015 17:57
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| [root@default ~]# ip addr | |
| 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 | |
| inet6 ::1/128 scope host | |
| valid_lft forever preferred_lft forever | |
| 2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 | |
| link/ether 08:00:27:0f:d2:76 brd ff:ff:ff:ff:ff:ff | |
| inet 10.0.2.15/24 brd 10.0.2.255 scope global eth0 | |
| inet6 fe80::a00:27ff:fe0f:d276/64 scope link | |
| valid_lft forever preferred_lft forever | |
| 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 | |
| link/ether 08:00:27:91:54:6e brd ff:ff:ff:ff:ff:ff | |
| inet 10.20.1.25/24 brd 10.20.1.255 scope global eth1 | |
| inet6 fe80::a00:27ff:fe91:546e/64 scope link | |
| valid_lft forever preferred_lft forever | |
| [root@default ~]# ip addr delete 10.20.1.25/25 dev eth1 | |
| RTNETLINK answers: Cannot assign requested address | |
| [root@default ~]# iptables -nvL | |
| Chain INPUT (policy ACCEPT 0 packets, 0 bytes) | |
| pkts bytes target prot opt in out source destination | |
| 129K 46M ACCEPT all -- * * 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED | |
| 0 0 ACCEPT icmp -- * * 0.0.0.0/0 0.0.0.0/0 | |
| 2325 139K ACCEPT all -- lo * 0.0.0.0/0 0.0.0.0/0 | |
| 6 296 ACCEPT tcp -- * * 0.0.0.0/0 0.0.0.0/0 state NEW tcp dpt:22 | |
| 13 1096 REJECT all -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibited | |
| Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) | |
| pkts bytes target prot opt in out source destination | |
| 0 0 REJECT all -- * * 0.0.0.0/0 0.0.0.0/0 reject-with icmp-host-prohibited | |
| Chain OUTPUT (policy ACCEPT 123K packets, 29M bytes) | |
| pkts bytes target prot opt in out source destination | |
| [root@default ~]# /etc/init.d/iptables stop | |
| iptables: Setting chains to policy ACCEPT: filter [ OK ] | |
| iptables: Flushing firewall rules: [ OK ] | |
| iptables: Unloading modules: [ OK ] | |
| [root@default ~]# ip addr delete 10.20.1.25/25 dev eth1 | |
| RTNETLINK answers: Cannot assign requested address | |
| [root@default ~]# iptables -nvL | |
| Chain INPUT (policy ACCEPT 0 packets, 0 bytes) | |
| pkts bytes target prot opt in out source destination | |
| Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) | |
| pkts bytes target prot opt in out source destination | |
| Chain OUTPUT (policy ACCEPT 0 packets, 0 bytes) | |
| pkts bytes target prot opt in out source destination | |
| [root@default ~]# ip addr delete 10.20.1.25/24 dev eth1 | |
| [root@default ~]# ip addr show dev eth1 | |
| 3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000 | |
| link/ether 08:00:27:91:54:6e brd ff:ff:ff:ff:ff:ff | |
| inet6 fe80::a00:27ff:fe91:546e/64 scope link | |
| valid_lft forever preferred_lft forever |
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