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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 · Jun 9, 2026

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 · May 26, 2026

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…

igorslab.de › zh

LeakWatch KW26 2026 - 供应商与OAuth令牌的安全隐患

Cisco 已于 6 月 3 日披露该漏洞。当时,公司已知存在公开可用的概念验证代码,但尚未发现恶意利用。CISA 于 6 月 25 日的收录改变了这一判断。它表明,带有已演示利用方式的技术警告,如何迅速变成一个被实际使用的攻击工具。受影响的是启用了 WebDialer 服务的部署。该服务默认处于禁用状态。Cisco 提供了更新,并将禁用 WebDialer 作为临时风险降低措施。这并不能完全替代更新。对于版本 14,Cisco 指出…

Jun 28, 2026 · Igor Wallossek