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January 24, 2019 13:03
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Script for dynamic 6in4 tunnel
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| #!/bin/sh | |
| #ping endpoint | |
| ping -q -c2 2a07:59c6:eeff:cafe::beef > /dev/null | |
| if [ $? -eq 0 ] | |
| then | |
| #echo "ipv6 endpoint reachable" | |
| echo | |
| else | |
| ip=$(dig +short bla.nsupdate.info) | |
| echo "updating ipv4 endpoint to $ip" | |
| ip tunnel del bjo | |
| ip tunnel add bjo mode sit remote $ip local 185.194.141.xy ttl 255 | |
| ip link set bjo up | |
| ip link set mtu 1472 bjo | |
| ip addr add 2a07:59c6:eeff:cafe::cafe/64 dev bjo | |
| ip route add 2a07:59c6:eeff:4011::/64 dev bjo table 42 | |
| fi |
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