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About AlexanderMahmuzic
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- About AlexanderMahmuzic
04-11-2022
2Posts
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Apr 11, 2022Last Visited
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Latest posts by AlexanderMahmuzic
| Subject | Views | Posted |
|---|---|---|
| 2562 | 05-12-2021 04:03 AM | |
| 2667 | 05-06-2021 02:51 AM |
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| Member Since | 05-06-2021 02:37 AM |
| Date Last Visited | 04-11-2022 10:10 AM |
| Posts | 2 |
05-12-2021
04:03 AM
After further investigation with wireshark on the Windows Deployment Server it seems like the TTL of TFTP is being lowered on the second read bootfile request. So the traffic doesn't even reach the WDS anymore... TTL is lowered with 48 less than the first packet and the "distance" is too far away so the udp traffic is dropped on a router a few hops before. Not an issue with palo
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05-06-2021
02:51 AM
Hi all, I have a FW with PanOS 9.1.7 that is causing PXE boot issues with TFTP protocol. When traffic is not routed through the firewall it all works and I have seen several threads about this problem but no solution. DHCP server: Windows Server 2012 R2 172.18.76.23 WDS server: 172.18.76.20 DHCP option 66: 172.18.76.20 DHCP option 67: \boot\x64\wdsnbp.com Interface VLAN 10 ip address 172.28.76.1 255.255.255.0 ip helper-address 172.18.76.23 ip helper-address 172.18.76.20 When traffic is not routed through the firewall it works, but when its routed through the firewall I can see packets being accepted and packets sent but no packets received Does anyone have a solution for this? Uploaded a picture of the TFTP problem
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