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Cisco

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r/networking · u/lonyun · May 7, 2026

Cisco migrations to Junipers

Hi everyone, first post here. So I accepted a new job designing campus networks. Coming from a DC background, a lot of ACI, firewalls, etc. I'm assigned to migrate all the campus networks from Cisco to Juniper. Small to …

r/networking · u/djimavicminipilot · May 9, 2026

Cisco Catalyst & Dante

Hi everyone! I have a new Dante and A/V network setup that uses two Cisco Catalyst 9300L's linked together by a simplex fiber. The main switch in this setup is connected to the rest of the network on a separate VLAN. I h…

r/networking · u/Constant-Angle-4777 · 4d ago

Another Cisco SD-WAN Manager bug is being exploited, no patch yet. How exposed is your controller?

Cisco flagged CVE-2026-20245 in Catalyst SD-WAN Manager (the thing that used to be vManage) this week. CVSS 7.8, already being exploited, and there's no patch or mitigation out for it right now. On its own it's a command…

r/networking · u/brow_n69 · May 3, 2026

EVE-NG - CWA on Cisco ISE working (auth + redirect shown) but no actual browser redirection

Hey guys, I’m stuck debugging Central Web Authentication (CWA) with Cisco ISE and could use a sanity check. Setup: (EVE-NG) IOL Switch (IOS 15.2) acting as NAD ISE doing MAB → Authorization → CWA Client is a Windows VM W…

r/networking · u/Mr_Slow1 · 2w ago

Multicast routing with CISCO SDWAN

Hoping someone else has configured this as I don't really know multicast at all and could do with some tips. Historically we had all our remote sites connected via Ethernet Extension, to distribution switches connected t…

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