搬瓦工换机房换ip之后不能连外网
昨晚把nutzbook所在的vps换了机房, 自然ip也更换了
然后,突然发现怎么不能ping外网呢?
[root@nutzbook ~]# ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. ^C --- 8.8.8.8 ping statistics --- 74 packets transmitted, 0 received, 100% packet loss, time 74016ms [root@nutzbook ~]# ping 114.114.114.114 PING 114.114.114.114 (114.114.114.114) 56(84) bytes of data. ^C --- 114.114.114.114 ping statistics --- 11 packets transmitted, 0 received, 100% packet loss, time 10547ms [root@nutzbook ~]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 169.254.0.0 0.0.0.0 255.255.0.0 U 1002 0 0 venet0 0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 venet0 百思不得其解, 唯有找客服, 答复的核心就是一句iptables命令
iptables -F; iptables -t nat -F; iptables-save > /etc/sysconfig/iptables 即清除老的转发规则,神奇了,为啥会有呢, 搞不清楚了…
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