7206 VXR NPE-G1 throughput

Vlade Ristevski vristevs at ramapo.edu
Mon Feb 10 16:05:33 UTC 2014

The ACL is a recent addition and we can probably do away with it. I 
didn't notice a significant increase in CPU or drops since adding it. 
But we usually peak at about 200Mbps on this link. The full routing 
table is a must since we're dual homed.

On 2/10/2014 10:55 AM, Remco Bressers wrote:
> On 02/10/2014 04:43 PM, Vlade Ristevski wrote:
>> We're still on the 12.4 train. I do use an ACL with less than 100 entries which handle BCP38 and block a few bad actors and private IPs on the Internet. I will be moving the BCP38 ACL closer to the
>> hosts before the upgrade so the ACL will be a bit shorter in the future. We won't be doing any QOS or IPv6 on it but it does take a full BGP table. I just need it to last another year or two out of it
>> if possible. I believe this platform goes End of Support in  Spring 2016.
>> On 2/10/2014 10:30 AM, Remco Bressers wrote:
>>> On 02/10/2014 04:17 PM, Vlade Ristevski wrote:
>>>> We are looking to double the bandwidth on one of our circuits from 300Mbps to 600Mbps. We currently use a Cisco 7206VXR with an NPE-G1 card. These seem like very popular routers so I'm hoping a few
>>>> people on this list have them deployed. If you or a customer have these deployed, how much bandwidth have you seen them handle? This will be handling dorm traffic at a college so it's mostly download.
>>>> The 7206 handles our 300 Mbps circuit just fine, but we are moving it to our 600Mbps circuit. At peak we've seen the following numbers for that circuit:
>>>>     30 second input rate 559982000 bits/sec, 55809 packets/sec
>>>>     30 second output rate 55429000 bits/sec, 32598 packets/sec
>>>>        267756984712 packets input, 333325152556755 bytes, 0 no buffer
>>>> This is the interface that connects to our provider. As you can see its almost all download traffic. Our ASR1002 handles it without a sweat but I'm a little skeptical of whether the 7206 will hold up.
>>> This depends on multiple variables. The 7200 is a single-CPU platform where CPU can go sky-high when using features like ACL's, QoS, IPv6 and you name it.. Also, changing from IOS 12.4 to 15 increased
>>> our CPU usage with another 10%+. Stick to the bare minimum of features you really need and you will be fine.
> Full routing and ACL 100+ entries? I would ditch the 7200+NPE-G1 or upgrade to an NPE-G2..
> Regards,
> Remco Bressers
> Signet B.V.


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