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Slow IPSEC VPN ( with GRE and IPX ) over DSL Network

We have an interconnection between a central site and two remote site through DSL network and IPSec VPN ( in star configuration ). We generate GRE tunnel between the central site and the two remote site to encapsulate IPX traffic. We use 827 routers with IPSec functionnality and the 12.2.2.T4

All seem working fine but we have we bad performances, the exchange between the site are very, very, very slow. Fir IP trafic this seem working if we take down the MTU of the PCs ( we use DR TCP ).

Can somebody help me ?

Thanks

1 REPLY

Re: Slow IPSEC VPN ( with GRE and IPX ) over DSL Network

Hello,

we are going to test exactly the same scenario (DSL, IOS 12.2.2.T4, GRE over IPSEC to encapsulate IPX traffic) in one or two weeks. After testing the configuration, I'll tell you the results.

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