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Troubleshooting for VPN connection speed issue.

Hi team.

I would like to know the vpn performance between cisco ios router and checkpoint firewall with site-to-site vpn.

at first, cisco ios router side initializes to establish vpn tunnel to checkpoint. however many users has complains us as slow connection.

could you suggest any good idea to clear this vpn performance issue.? in cisco router cpu utilization is very low regardless of using IPSEC vpn.

So, MTU and other troubleshooting knowhow will be appreciatred for us.

thank you.

3 REPLIES
Cisco Employee

Re: Troubleshooting for VPN connection speed issue.

This section is about wireless security :-)

Re: Troubleshooting for VPN connection speed issue.

Moving this question to VPN community.

thanks,

Vinay

Thanks & Regards
Bronze

Re: Troubleshooting for VPN connection speed issue.

It can be because of fragmentation.

You can either use the crypto ipsec dfbit clear (or something like this) or trying to configure the MSS in the traffic between the hosts.

It's a short rushed answare. hope it give you same clue.

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