Articles by tag "Cisco ISR 4331"

1. How to Harden Cisco Routers: Practical Security Steps and Troubleshooting Tips
   Selene Gong

   33
   Whether you’re managing a small branch office or a multi-site enterprise, securing your Cisco network devices is crucial. From ensuring ISR 4331 routers don’t drop traffic unexpectedly to understanding how switches handle frames, knowing what’s happening under the hood can save hours of ...
2. How to Boost Cisco ISR 4331 Performance with Throughput Licenses？
   Selene Gong

   34
   When monitoring a Cisco ISR 4331 Integrated Services Router, you may encounter log messages such as: %BW_LICENSE-4-THROUGHPUT_MAX_LEVEL_EXCEEDED: The current throughput level is 100000 kbps Even with a Gigabit ISP link, the router may throttle traffic at 100 Mbps due to its default ...
3. ISR 4331 vs ISR 4431 Upgrade: Is It Time to Refresh Your Branch Network?
   Selene Gong

   30
   For network engineers and IT managers, the first signs are usually familiar: - Users complain about network latency - VoIP calls start dropping - SaaS applications become unstable - VPN sessions disconnect intermittently In most cases, the root cause is not the application layer—but the ...