Articles by tag "ISR 4331"

1. Cisco ISR 4331 vs ISR 4351: Branch Router Sizing Guide — When to Upgrade
   Selene Gong

   18
   When a branch office WAN project reaches the router selection stage, the Cisco ISR 4000 series is usually the starting point. Within that series, the ISR 4331 and ISR 4351 sit next to each other in the product stack — close enough in price that buyers often pause to ask whether the smaller ...
2. ISR4331/K9 and ISR4431/K9 End of Sale: Migration Path to Current Models
   Selene Gong

   18
   Cisco ISR 4331 and ISR 4431 reached end-of-sale on November 7, 2023. For organizations still running these routers, the clock is ticking: while Cisco TAC support continues for holders of active service contracts, the inability to purchase new units or expansion modules creates a hard stop for ...