borneo.antonio at gmail
Sep 21, 2009, 8:00 AM
Post #2 of 2
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Re: Fwd: vpnc-nortel ver 0.5.3-446M slow download
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Hello Milorad,
the main difference with Nortel client is that vpns uses ESP
encapsulation instead of UDP.
To me, ESP runs much faster, so I'm surprised about your result.
Do you have possibility to connect your vpnc PC on another internet
provider and test it again?
Maybe router/ADSL/Wlan/provider alltogether slow-down ESP...
Best Regards,
Antonio Borneo
On Mon, Sep 21, 2009 at 2:51 PM, Milorad Ugarcina
<milorad.ugarcina [at] ericsson> wrote:
> Hello Guys,
>
> I have just compiled the latest version of vpnc-nortel on centos 5.3
> X86_64 platform . After a bit of stuffing around I managed to connect to
> our Nortel vpn switch . The connection seems pretty stable - needed to
> use the DPD idle setting of 0 . However the problem I do have is that
> connection troughput is very low . It is noticeable when connecting to
> machines in the vpn network with ssh or sftp . My average download speed
> when doing a sftp session is about 5KB/sec . As a comparison I have
> installed a Windows virtual machine on same server in NAT mode and tried
> the Windows Nortel connectivity client . The download rate from this
> setup is about 1MB/sec . I would much rather avoid VM's as much as
> possible , but need to get the vpnc-nortel client going faster to at
> least the Windows rate . I am using default settings and have not
> observed any obvious errors . Please help me improve the throughput .
>
> --
> Best Regards
>
> /* Milorad Ugarcina
> */
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>
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