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About rthakker
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- About rthakker
04-12-2021
5Posts
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Apr 12, 2021Last Visited
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Latest posts by rthakker
| Subject | Views | Posted |
|---|---|---|
| 1904 | 04-11-2021 06:05 AM | |
| 2025 | 04-09-2021 09:07 AM | |
| 2061 | 04-09-2021 08:53 AM | |
| 2094 | 04-09-2021 08:34 AM | |
| 2145 | 04-09-2021 06:01 AM |
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| Member Since | 04-09-2021 05:39 AM |
| Date Last Visited | 04-12-2021 05:47 AM |
| Posts | 5 |
04-11-2021
06:05 AM
All, I have noticed when Destination NAT configured for IPs which aren't configured on Firewall packets are being dropped so /25(IPv4) and /40(IPv6). If I add subnet as a Loopback interrace on firewall then NAT works. I tried using static discard route (Null route) but its not solving the issue. I am guessing its proxy-arp issue or is it something else? Any other way to solve the issue?
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04-09-2021
09:07 AM
I do have similar challenges due to migration work hence wanted to employ NAT as traffic is expected both ways between subnets hence NAT seems good option.
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04-09-2021
08:53 AM
Thank you for the prompt reply. I will check your suggested solution. In the meantime please could you tell me if it possible to solve by NAT or its impractical?
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04-09-2021
08:34 AM
Yes they are connected but part of Migration work and removing Overlapping addresses requires NAT.
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04-09-2021
06:01 AM
Hi Everyone, I am struggling to solve a problem NAT issue and need some help. I need to configure May-to-Many NAT on Palo Alto Firewall between two data centers. I have three /25 IPv4 subnets which needs to be mapped to three /25 subnets (subnet to subnet basis if not one to one IP basis) and three IPv6 /40 subnets needs same treatment. Traffic is expected to come from both direction inside to outside and outside to inside on specified TCP, UDP and ICMP ports. I have PA3220 which has been upgraded to PAN OS 9.0 and I will applicate if you can suggest best way to achieve this? Do I need to consider any resource limitation as I have three /25 IPv4 and three /40 IPv6 subnets which can overwhelm the resource? Thanks RT
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- Tags:
- Many-to-Many NAT
- nat
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