Created
October 8, 2014 10:13
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Linode Debian / Ubuntu GRE tunnels hack /etc/network/interfaces
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| # One side, change the address by a digit and reverse the outside ip addresses for the other side | |
| auto gre1 | |
| iface gre1 inet static | |
| address 10.10.10.10 # inside side a address | |
| netmask 255.255.255.0 | |
| pre-up ip tunnel add gre1 mode gre remote 173.230.145.76 local 173.230.147.224 #remote external ip local external ip | |
| post-down ip tunnel del gre1 |
ip route get ${REMOTE} | awk '{print $3}'
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Hi I would recommend to add
pre-up ip route add 173.230.145.76/32 via (ip -4 route list default | awk '{print $3}' )
to avoid tunnel Loops. Tunnel Loop can apaer if, in your case 173.230.145.0/24 would be learnd via gre1