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Performance impact after VPN

I have Cat-6500 with Flex-WAN connected HQ with 80 remote site branches ( 2800 + 3640 routers)

Data and Voice / IP Telephony traffic are running through these WAN

I am going to implement FWSM and VPN between these branches using Cat-6500 IPSec VPN SPA on HQ and NM-VPN/MP for 3640 routers and AIM-VPN/EPII-PLUS for 2800 routers

What is the performance impact after installing the FWSM and VPN IPSec between HQ and remote branches ?

Do I need to increase the bandwidth between HQ and each remote branch ?

Regards

Mohamed

1 REPLY
Silver

Re: Performance impact after VPN

Bandwidth would definitely be a concern.This might even lead to congestion.But the bandwidth could be effectively by implementing RED policy on routers.

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