joshua.ej.smith at usa
Jan 16, 2004, 6:47 AM
Post #1 of 1
(89 views)
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Re: [ VoIP - cRTP and VPN Tunnels]
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MPuras [at] solunet wrote:
> Hi all. I would like to get some clarificatons on whether cRTP
> compresses the IP/UDP/RTP headers after the voice traffic has been
> encrypted. I need to know whether I should be creating the IPSec
> site-to-site VPN tunnel from with the firewall (Watchguard V10) that
> is sitting behing the Cisco 1721 router or create the tunnel from
> within the Cisco router itself. I am not sure if I create the VPN
> tunnel from within the firewall whether cRTP configured on the router
> can still compress the IP/UDP/RTP headers for traffic that is
> encrypted. Can someone please clarify this for me.
mario,
you should probably do the tunnel from the cisco - if the router gets
an encrypted packet, it won't know what it is, and cannot compress the
rtp header...this is just an assumption, i haven't done it and don't
have any way to verify it
/joshua
>
> Thanks.
>
>
>
>
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> Mario Puras
> SoluNet/SoluServe TAC Lead
> Web Address: www.solunet.com
> Mailto: mpuras [at] solunet
> Direct: (321) 309-1410
> Fax: (321) 676-1287
> Toll Free: 888.449.5766 (USA) / 888.SOLUNET (Canada)
>
> _______________________________________________
> cisco-voip mailing list
> cisco-voip [at] puck
> https://puck.nether.net/mailman/listinfo/cisco-voip
>
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