Redundant Transparant ASA between Redundant Routed Links
Aparently the Security/Compliance team didn't review my network design before it was submitted and built, and now I have to shoe horn a firewall somewhere there was never supposed to be one.
I have my two current DC Cores (Nexus 5548UP), that currently are Layer 3 only, with no L2 configuration at all. I understand these aren't the best switches for this role, but the BoM was put in place and gear ordered, long before I came onboard, and the DC design had been completed. From these two Cores, i connect directly to a vendor's clustered Fortinet FW, via a /30 from each core to each node of their cluster, and connected via eBGP, one link with a path prepend, due to the vendor not able to figure out how to load balance on their firewall. Due to numerous vendor problems, and lack of knowlege, I cannot get them to change their design in a timely manner, to meet our timelines, and this has to be up yesterday to be PCI compliant (so our security people say) prior to go live in 1 week. The vendor took 3 weeks just to figure out how to aggregate routes to me!.
So I want to drop a transparent pair of firewalls inline on the two links, but due to the Active/Standby limitation of ASA's, I am not sure this will be that easy given the /30 L3 interfaces being used. Secondly the lack of L2 between the two upstream cores may be a concern, at least from past expiriences. I know if I was using some other vendor's clustered FW, this wouldn't be a problem, but I definately don't want to join the Dark side again, or do I have time to procure any other equipment other than the 5520's I currently have laying around. Someone please tell me I have overlooked something simple, and the design listed below will be simple to implement!!!!
Digital innovation is overwhelming the branch and WAN. More specifically, 80 percent of employees and customers work in or are served in branch offices*, which is leading to a 73 percent growth in mobile devices from 2014 to 2018**. The...
Purpose of the document
This document describes the general recommendations or best practices when designing and deploying the Cisco SD-Access technology. The document assumes that the reader has a general overview of Cisco's SD-Access ...
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