Summary: Great router for anyone looking to get CCNA certified. With 2 WIC slots you can either go with 2 WIC 1T's for 2 total serial connections or 2 WIC 2T's for 4 total smart serial connections. I have about 3 other 1721's all upgraded to 128MB RAM running that latest IOS and I have yet to run into any walls using them to get my CCNA. This router is a great lab router.
great little routers to have for your Cisco Studies
25 April 2010
Summary: Cisco 1721 routers are the award winning small business routers that goes a long way with your investment. Versatile and robust for the users. It has firewall, intrusion protection, intrusion detection and a number of IP networking uses from the vast array IOS available from Cisco.
Summary: The router arrived very quickly. It arrived nicely packed and I could tell it practically brand new and very well taken of. The router works very well. I had to reset the configuration but that was expected. I needed this router for a class that I am getting ready to attend. The only minor things was that there was no console cable with the router.
Summary: This product is very afforable, its' cheap, and it comes with a decent amount of DRAM and flash. It is a great addition to your CCENT/CCNA/CCNP lab environment. The router boots up decently, just as good as my 2610xm and 2650xm's. The only different is it does only have an ethernet port and two spots for a WIC-1T or anything else you want to install. I highly recommend this product.
Summary: Great, high commitment Great, high commitment Great, high commitment Great, high commitment Great, high commitment Great, high commitment Great, high commitment Great, high commitment Great, high commitment Great, high commitment
Summary: The Cisco 1721 router is an excellent, cheap alternative to more expensive Cisco routers if you only need a VPN endpoint or a simple, secure and robust firewall. It can be upgraded to a very fast IPSEC VPN router for less than $100 for ram and the VPN module. Dont pay over $300 for the 1721 itself and no more than $100 for the ram and VPN module.
Pros: Excelente relação custo X benefício;, Mesmo usado, é uma excelente compra;, Já comprei mais de 10 e nunca tive problema;, Mesmo sendo um produto descontinuado, é possível entrar peças para upgrade.
Cons: Poderia ter uma interface gráfica de administração.
Summary: O melhor roteador custo benefício já feito pela Cisco que comporta até 8Mps (Mega Bits por Segundo)e 12.000 pps (Pacotes por Segundo). Comporta duas WIC-1T num total de 4M ou duas WIC-2T num total de 8M. Possui apenas uma FastEthenet, mais do que suficiente para o seu propósito. Utiliza o famoso CISCO IOS com várias versões.
Pros: Ótimo Preço, Excelente Processamento/Watt (Custo Energia), Aceita até 4 seriais num total de 8Mb/s
Cons: Possui apenas uma FastEthermet, Fora de fabricação (Só encontramos usados)