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标题: linux下查找默认网关网卡及IP的命令 [打印本页]

作者: linda 时间: 2017-5-26 11:09 标题: linux下查找默认网关网卡及IP的命令

WANNIC=`netstat -nr 2>/dev/null | grep -v ppp | grep -v tun | grep -v vpn |awk '$1 == "0.0.0.0" && $3 == "0.0.0.0" {print $NF}'`

0.0.0.0       192.168.1.118 0.0.0.0       UG       0 0       0 eth0
0.0.0.0       0.0.0.0       0.0.0.0       U       0 0       0 venet0

0.0.0.0       0.0.0.0       0.0.0.0       U       0 0       0 ppp0
0.0.0.0       0.0.0.0       0.0.0.0       U       0 0       0 tun0
0.0.0.0       0.0.0.0       0.0.0.0       U       0 0       0 cscotun0
0.0.0.0       192.168.30.1 0.0.0.0       UG       0 0       0 vpn_se

venet0: flags=211<UP,BROADCAST,POINTOPOINT,RUNNING,NOARP>  mtu 1500
      inet 127.0.0.1  netmask 255.255.255.255  broadcast 0.0.0.0  destination 127.0.0.1
      unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  txqueuelen 0  (UNSPEC)
      RX packets 41679  bytes 9284392 (8.8 MiB)
      RX errors 0  dropped 0  overruns 0  frame 0
      TX packets 28948  bytes 1966742 (1.8 MiB)
      TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

venet0:0: flags=211<UP,BROADCAST,POINTOPOINT,RUNNING,NOARP>  mtu 1500
      inet 123.132.111.144  netmask 255.255.255.255  broadcast 123.132.111.144  destination 123.132.111.144
      unspec 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00  txqueuelen 0  (UNSPEC)

WANIP=`ip route get 1.2.3.4 dev "$WANNIC" 2>/dev/null | head -1 | awk '{print $NF}'`

[ 本帖最后由 linda 于 2017-5-31 11:47 编辑 ]

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