22 lines
614 B
Bash
22 lines
614 B
Bash
#!/bin/bash
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#
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# get gateway and ip address of UTMS modem connected to ppp0
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# add a default route
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# called by /etc/network/interfaces.d/ppp0, when device is coming up
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#
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ppp0rt=""
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let i=1
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while [ -z "$ppp0rt" ] ; do
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let i+=1
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if [ $i -gt 20 ]; then
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exit 1
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fi
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sleep 1
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ppp0rt=`ip route list | grep -m 1 ppp0`
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done
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gate=`echo $ppp0rt | sed -rn 's/(([0-9]{1,3}\.){3}[0-9]{1,3}).*ppp0.*src (([0-9]{1,3}\.){3}[0-9]{1,3})/\1/p'`
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src=`echo $ppp0rt | sed -rn 's/(([0-9]{1,3}\.){3}[0-9]{1,3}).*ppp0.*src (([0-9]{1,3}\.){3}[0-9]{1,3})/\3/p'`
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ip route add default via $gate proto dhcp src $src metric 10
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exit 0
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