hardware:shimtunnel
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hardware:shimtunnel [2019/01/11 14:53] – [Options using Source NAT] veera | hardware:shimtunnel [2019/01/11 18:16] (current) – veera | ||
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* Gateway Node real IP : 192.169.2.81 (both should be able to ping each other) | * Gateway Node real IP : 192.169.2.81 (both should be able to ping each other) | ||
* Port used : UDP 5111 | * Port used : UDP 5111 | ||
+ | * Source IP to use on the gateway end of shim tunnel : 10.251.52.4 | ||
+ | |||
+ | <note warning> | ||
+ | **Pre-check** | ||
+ | * ensure IP Forwarding is disabled '' | ||
+ | * local iptables firewall rules allow the UDP port '' | ||
+ | </ | ||
===== Download the Shim software ===== | ===== Download the Shim software ===== | ||
Line 43: | Line 50: | ||
< | < | ||
chmod +x nfshim.el7 | chmod +x nfshim.el7 | ||
- | ./ | + | ./ |
</ | </ | ||
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- | ===== Options using Source NAT ===== | + | ===== Extra reference : Use Source NAT ===== |
- | If the above steps still do not work and a different | + | In the very unlikely scenario |
- | This example NATs the source IP for udp packets to 5111 (custom netflow) | + | < |
+ | iptables -t nat -A | ||
+ | -o enp7s0 | ||
+ | </ | ||
+ | ==== To view rules ==== | ||
+ | |||
< | < | ||
- | iptables -t nat -A | + | iptables -t nat -L -v --line-numbers |
</ | </ | ||
+ | |||
+ | ==== To delete a rule with id 3 ==== | ||
+ | |||
+ | < | ||
+ | iptables -t nat -D POSTROUTING | ||
+ | </ | ||
+ | |||
hardware/shimtunnel.1547198636.txt.gz · Last modified: 2019/01/11 14:53 by veera