Created
August 10, 2019 21:05
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Reroute traffic for eg. eth0 IP address so that traffic goes through gateway instead of localhost (based on https://unix.stackexchange.com/a/128428 with one correction, one additon, and automatic determination of ip and gw; start eg. with "sudo ./local2gw eth0")
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| #!/bin/bash | |
| if=$1 | |
| gw=`ip route show | grep "^default" | grep $if | cut -f3 -d\ ` | |
| vip=`ip route show table local | grep ^local | grep $if | cut -f2 -d\ ` | |
| # from https://unix.stackexchange.com/a/128428 | |
| ip route add local $vip dev lo table 10 proto kernel scope host | |
| ip rule add to $vip lookup 10 prio 1 | |
| # | |
| # ip route del local $vip dev lo table local | |
| ip route del table local $vip | |
| # | |
| ip rule add to $vip iif lo lookup main prio 0 | |
| route add $vip gw $gw dev $if |
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