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configuration:ip-pass-through [2016/11/15 10:50] dotoli |
configuration:ip-pass-through [2016/11/15 13:37] (current) dotoli [IP pass-through] |
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====== IP pass-through ====== | ====== IP pass-through ====== | ||
- | With IP pass through a connected device can be adressed directly with the WAN-IP adress. | + | With IP pass through a connected device can be adressed directly with a public static WAN-IP address. |
- | IP pass-through creates a subnet (/29) consisting of the WAN-IP and gateway addresses. | + | IP pass-through creates a subnet for the attached device (/29) including WAN-IP - and gateway address. |
- | In order that the taken IP's are still reachable in the APN network, the subnet must be decreased: | + | |
+ | Problem: In order that the used IP's are still reachable in the APN network, a smaller network (== more hosts per network) must be configured: | ||
Example: | Example: | ||
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- | Without configured optional WAN network and WAN netmask the connected device receives | + | Without configured optional WAN network/ WAN netmask the connected device receives: |
- | 10.203.1.2/29 gw 10.203.1.3.\\ The IP's 10.203.1.1 - 10.203.1.6 are no reachable in the APN network. | + | 10.203.1.2/29 gw 10.203.1.3.\\ The IP's 10.203.1.1 - 10.203.1.6 are no more reachable in the APN network. |
- | Configure a decrease subnet:\\ | + | Configure a smaller subnet:\\ |
WAN network: 10.203.0.0\\ | WAN network: 10.203.0.0\\ | ||
WAN netmask: 255.255.0.0 \\ | WAN netmask: 255.255.0.0 \\ | ||
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The device receives: 10.203.1.2/16 gw 10.203.128.0 | The device receives: 10.203.1.2/16 gw 10.203.128.0 | ||
- | The gateway is outside the APN network but the hosts are still reachable | + | The gateway is outside of the APN network but the hosts are still reachable |