About OBXLife

OBXLife · 01-31-2025

Cisco must address the lack of support for RFC3021 on the Firewall FTD platform. Many ISPs use /31 to conserve IPV4 address space. The absence of this support prevents the use of a Firepower device to connect to an ISP utilizing /31 address administr...

OBXLife · 11-13-2025

n the same boat..Anyone have a suggestion?

OBXLife · 02-01-2025

I believe the answer would be yes. I admit I do not understand all of the implications effects on the broadcast mechanisms. I do know Cisco and other manufactures have implemented this. The behavior should be the same as implemented elsewhere. Being ...

OBXLife · 02-01-2025

There is ENH | Configure /31 on Firepower managed by FDM opened on this. Cisco not supporting a RFC on the Firepower that they co-wrote. RFC3021.

OBXLife · 02-01-2025

That make entirely no sense. If using the FTD for a remote office and the ISP supplies a /31 then an extra router needs to be used and NAT translations needs to be setup. Just fix the FDM and allow /31 addressing. I see no reason Cisco should not s...

Member Since	‎01-31-2025 01:38 PM
Date Last Visited	‎11-13-2025 11:06 AM
Posts	5
Total Helpful Votes Received	1

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CSCwn92354 - ENH | Configure /31 on Firepower managed by FDM

Re: Cert Enrollment FMC Rest API

Re: CSCwn92354 - ENH | Configure /31 on Firepower managed by FDM

Re: FTD 1010 with /31 Interface

Re: CSCwn92354 - ENH | Configure /31 on Firepower managed by FDM