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configuration:ip-pass-through [2016/11/15 10:50] dotoli |
configuration:ip-pass-through [2016/11/15 13:37] 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 \\ | ||
| Line 28: | Line 29: | ||
| 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 |