08-08-2025 07:32 AM
What is the maximum number of BGP Prefixes that a 'large' containerised FTD instance in a FPR3130 chassis can support.
I can't find this documented anywhere. I can't just receive the default because there is more going on.
08-08-2025 07:43 AM
if there is no BGP connect behind FPR why you not receive only default ?
08-08-2025 07:46 AM
There is a BGP connection behind it where we have a default being received on another FTD instance.
08-08-2025 07:51 AM
so you need to receive full table.
I will check if I get something I will update you
MHM
08-08-2025 10:43 AM
BRKSEC‑2239 <<- according to this 100K route is test for frp3100 series.
MHM
08-08-2025 11:19 AM
100K is plenty, I'm guessing this is single instance though with all the 128GB RAM allocated to the appliance. In multi-instance mode, the default 'large' instance has 23GB RAM allocated according to the 'show version' command, so will be reduced I guess?
08-08-2025 11:34 AM
How many instances you config?
From 128 to 23' there is huge different it even not close to half of 128.
And it true I think number in ciscolive is for single instance and for multi the number is reduces.
But let assume that
128=100k
32=25k
25k is ok for your bgp full table?
MHM
08-08-2025 11:43 AM
Might not be enough - if it's straight numbers like you've written, 23GB will give us around 18k routes maximum. I can aggregate the RFC1918 addresses that are announced, so that will reduce what is advertised downstream by a lot, but won't reduce the prefixes on this box. I might see if the provider can aggregate on their side and just announce the RFC1918 summaries to us and exclude all the longer prefixes, plus the other non-RFC1918's as they are as there are only about 2k.
08-08-2025 11:57 AM
But ISP must not advertise rfc1918.
And 25k or 18k is ok for your non-rfc1918 (2k) requirements.
I have other slide about fpr instance' I will check it and if I get something I will update you.
Thanks
MHM
08-08-2025 11:58 AM
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