Cisco2811 VPN performance

Unanswered Question
Aug 27th, 2010

Could you teach the following?

■Component
・Headquarters:  Cisco2811(x2台) [Active/Standby,Redundant configuration]
・Branch office: Cisco892 (160 branch office companies)
・Communication network:     Arcstar IP-VPN (NTT Communications)
・Routing Protocol: BGP-4
・Communication requirement: IPSec, Short-Packet
・Line band:
     Headquarters  = 10Mbps
     Branch office = 10-100Mbps、


The number is 200 VPN Tunnels in a standard specification.
However,When 160(VPN Tunnels) branch offices access the headquarters,can the
Cisco2811 endure the load?

■Anxiety point
・The performance decreases extremely according to the load with a high CPU.

Please give results in the Cisco2800 series.

I have this problem too.
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iotoiotoioto Sun, 08/29/2010 - 17:43

Thank you for the answer immediately.

It is assumed to use the on-board VPN engine.
In conclusion, is it a thing said that processing is difficult in the on-board VPN engine ?
We also were examining the proposal of the vAIM VPN module.
When we also had the problem in the performance of the on-board VPN engine , the proposal of the AIM VPN module was examined.
Should I propose to the Customer use the AIM VPN module or Cisco3900 Series when examining it from the performance?

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