[c-nsp] CE Router performance

CiscoNSP List cisconsp_list at hotmail.com
Tue Feb 17 19:50:25 EST 2015


Thanks Lukas - The numbers quoted were from Cisco (Our Cisco AM, and he engaged a 1900 "specialist" @ Cisco)..there recommendation (Of course) is to go for a larger CE to get guaranteed(required) throughputs...I was more interested in clarifying the duplex/half-duplex, which you have done(Cheers)




> From: luky-37 at hotmail.com
> To: cisconsp_list at hotmail.com; cisco-nsp at puck.nether.net
> Subject: RE: [c-nsp] CE Router performance
> Date: Wed, 18 Feb 2015 01:28:01 +0100
> 
> > Quick question on Cisco's claimed performance figures for CE's
> >
> > - Cisco claim a 1921 could do 400Mb
> 
> I don't believe Cisco is claiming any such thing, they usually play it safe.
> 
> Cisco positions the 1900 series quote:
> > "in high-speed WAN environments with concurrent services enabled
> > up to 15 Mbps."
> 
> Now, you can push more than 100mbit/s through this box, no doubt,
> but you are completely on your own. Routerperformance slide says
> a 1941 pushes 299kpps or 150mbit/s (at 64byte packets), that gives
> you a little room and you may reach 400mbit/s in lab conditions,
> but you will be on your own (say a mandatory IOS upgrade due to
> security bugfixes introduces a forwarding performance regression?).
> 
> This is really (quote) "never-to-exceed [...] feature-free CEF throughput".
> 
> Datasheet doesn't guarantee anything on ISR G1/G2. Get ISR 4k for
> bandwidth guarantees.
> 
> 
> 
> > My question is, is the 400Mb/sec and 110Mb/sec full duplex?
> 
> Throughput means pushing traffic from one (ingress) interface to another
> (egress) interface, so we are talking half duplex here.
> 
> 
> Lukas
> 
>  		 	   		  
 		 	   		  


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