asked on

Cisco 871 performance after ipsec vpn enable

HI,

I have a strange problem with my Cisco 871 router.
After enabling Ipsec VPN on the router the internet speed drops to 50% of the original, even when no clients are connected.

Did any one heard or had experience with this issue?

See below for VPN config:

crypto isakmp policy 1
encr 3des
authentication pre-share
group 2
!
crypto isakmp client configuration group teleworker
key *****
pool VPNIPPOOL
acl 105
netmask 255.255.255.0
!
!
crypto ipsec transform-set myset esp-3des esp-sha-hmac
!
crypto dynamic-map DYNMAP 1
set transform-set myset
reverse-route
!
!
!
crypto map VPNMAP client authentication list default
crypto map VPNMAP isakmp authorization list default
crypto map VPNMAP client configuration address respond
crypto map VPNMAP 10 ipsec-isakmp dynamic DYNMAP

Thanks,

SOLUTION

eeRoot

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Steve Jennings

Remove the crypto mao from the interface and see whst happens. 3des and group2 should not crater your router

Steve

nvdkloor

ASKER

yes the speed gets back to normal when disabling vpn or removing the crypto map command.
Maybe the hardware is not powefull enough for ipsec.

Let me try using a less secure vpn setup.

ASKER CERTIFIED SOLUTION

Steve Jennings

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Istvan Kalmar

This question has been classified as abandoned and is closed as part of the Cleanup Program. See the recommendation for more details.