topic Re: Possible DHCP relay limit in Spark Firewall (SMB)

Possible DHCP relay limit

Kevin_Hodgson — Tue, 09 Aug 2022 13:04:20 GMT

Does anyone know if there is an upper limit to the number of interfaces you can enable DHCP relay for on the Spark 1600 appliances (R80.20.40)? We have a situation where we can add DHCP relay config for up to 22 VLAN interfaces, but as soon as you add the 23rd one, the dhcrelay process either dies or just won't start. We do currently have a TAC case open but I thought I'd check if anyone else has run into this issue before.

Thanks

Re: Possible DHCP relay limit

PhoneBoy — Tue, 09 Aug 2022 14:20:01 GMT

Sounds like you may have hit an upper limit of some sort or a bug.

Re: Possible DHCP relay limit

Kevin_Hodgson — Tue, 09 Aug 2022 14:21:26 GMT

Yes, that's the assumption we're working with.

Re: Possible DHCP relay limit

Andrew-OCD — Fri, 17 Nov 2023 12:42:19 GMT

Did you ever get any solution for this?

I have a customer that has over 50 segments that they wish to use with a 1600 device.

Would appreciate any feedback available or sk that you have been pointed towards.

Best regards

Andrew

Re: Possible DHCP relay limit

Andrew-OCD — Sun, 03 Dec 2023 19:52:04 GMT

Does anybody have any more upto date information on this topic?

I heard somewhere that the buffer was being resized and so this would make a difference but I am trying to find something official on this topic.

Best regards

Andrew

Re: Possible DHCP relay limit

the_rock — Mon, 04 Dec 2023 00:32:15 GMT

I would open an official TAC case to get an answer to it. Its possible there might be a limitation.

Andy