gre-plus-ipsec-debian.md
... ...
@@ -78,11 +78,12 @@ sainfo address 1.2.3.4 47 address 5.6.7.8 47 {
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Add this to /etc/network/interfaces:
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```
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auto gre1
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-iface gre1 inet static
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- address 10.0.0.1
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+iface fritz inet tunnel
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+ mode gre
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netmask 255.255.255.255
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- up ifconfig gre1 multicast
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- pre-up ip tunnel add gre1 mode gre local 1.2.3.4 remote 5.6.7.8 ttl 255
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- pointtopoint 10.0.0.2
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- post-down ip tunnel del gre1
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+ address 10.0.0.1
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+ dstaddr 10.0.0.2
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+ endpoint 5.6.7.8
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+ local 1.2.3.4
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+ ttl 255
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```