topic Re: 2821 vs. 2851 in Routing and SD-WAN https://community.cisco.com/t5/routing-and-sd-wan/2821-vs-2851/m-p/929309#M74235 <HTML><HEAD></HEAD><BODY><P>The 2851 provides faster packet processing as compared to the 2821</P><P></P><P>It also supports the NME-XD type modules which the 2821 wont support</P><P></P><P>Have a look at the attachment</P><P></P><P>HTH</P><P>Narayan</P><P></P><P> </P><P></P></BODY></HTML> Mon, 12 May 2008 20:01:39 GMT royalblues 2008-05-12T20:01:39Z 2821 vs. 2851 https://community.cisco.com/t5/routing-and-sd-wan/2821-vs-2851/m-p/929307#M74233 <P>What is the practical difference between these routers? Is the processor difference really significant?</P> Mon, 04 Mar 2019 05:55:21 GMT https://community.cisco.com/t5/routing-and-sd-wan/2821-vs-2851/m-p/929307#M74233 rblankers 2019-03-04T05:55:21Z Re: 2821 vs. 2851 https://community.cisco.com/t5/routing-and-sd-wan/2821-vs-2851/m-p/929308#M74234 <HTML><HEAD></HEAD><BODY><P>The following link should be able to provide the information you are after:</P><P><A class="jive-link-custom" href="http://www.cisco.com/en/US/products/ps5854/prod_models_comparison.html" target="_blank">http://www.cisco.com/en/US/products/ps5854/prod_models_comparison.html</A></P><P></P><P>It seems the 2851 supports NMD in addition to NME modules. The processor speed is also faster in the 2851.</P><P></P><P>2821 is rated at 87Mbps and 2851 is rated at 113Mbps</P><P><A class="jive-link-custom" href="http://www.cisco.com/web/partners/downloads/765/tools/quickreference/routerperformance.pdf" target="_blank">http://www.cisco.com/web/partners/downloads/765/tools/quickreference/routerperformance.pdf</A></P><P></P><P>HTH,</P><P></P><P>__</P><P></P><P>Edison.</P></BODY></HTML> Mon, 12 May 2008 20:00:39 GMT https://community.cisco.com/t5/routing-and-sd-wan/2821-vs-2851/m-p/929308#M74234 Edison Ortiz 2008-05-12T20:00:39Z Re: 2821 vs. 2851 https://community.cisco.com/t5/routing-and-sd-wan/2821-vs-2851/m-p/929309#M74235 <HTML><HEAD></HEAD><BODY><P>The 2851 provides faster packet processing as compared to the 2821</P><P></P><P>It also supports the NME-XD type modules which the 2821 wont support</P><P></P><P>Have a look at the attachment</P><P></P><P>HTH</P><P>Narayan</P><P></P><P> </P><P></P></BODY></HTML> Mon, 12 May 2008 20:01:39 GMT https://community.cisco.com/t5/routing-and-sd-wan/2821-vs-2851/m-p/929309#M74235 royalblues 2008-05-12T20:01:39Z Re: 2821 vs. 2851 https://community.cisco.com/t5/routing-and-sd-wan/2821-vs-2851/m-p/929310#M74236 <HTML><HEAD></HEAD><BODY><P>thanks - the router performance document is the one I was looking for.</P></BODY></HTML> Mon, 12 May 2008 20:11:56 GMT https://community.cisco.com/t5/routing-and-sd-wan/2821-vs-2851/m-p/929310#M74236 rblankers 2008-05-12T20:11:56Z