From: Daniel Ginsburg (dginsburg@gmail.com)
Date: Fri Sep 03 2004 - 15:54:06 GMT-3
int vlan NN
ip local-proxy-arp
It you need explanations please don't hestitate.
On Thu, 2 Sep 2004 10:42:27 +0200 , Cocimano, Francesco
<fc183400@ncr.com> wrote:
> Hi,
> in the link below Cisco says " All data traffic passing between protected
> ports must be forwarded through a Layer 3 device". I'm using a layer 3
> device connected in trunk with a 3550 or connected to a unprotected port,
> but the two protected ports cannot comunicate using the layer 3 because the
> traffic is not forwarded to the layer 3 device.
> Please if anyone has the solution send me an email.
> Many thanks
> Francesco
>
> -----Messaggio originale-----
> Da: Joe Smith
> A: Cocimano, Francesco; ccielab@groupstudy.com
> Inviato: 31/08/2004 16.28
> Oggetto: RE: int vlan
>
> That is the expected behavior on protected ports, since the hosts are on
> the
> same VLAN/subnet, the layer 3 device does not get involved.
>
> http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12120ea2/3550s
> cg/swtrafc.htm#wp1158863
>
> Joe
>
> >From: "Cocimano, Francesco" <FC183400@NCR.COM>
> >Reply-To: "Cocimano, Francesco" <FC183400@NCR.COM>
> >To: ccielab@groupstudy.com
> >Subject: int vlan
> >Date: Tue, 31 Aug 2004 19:10:19 +0200
> >
> >Hi all,
> >I have configured protected ports in a 3550.
> >
> >I have two hosts in the vlan 10 and their switch`s ports are protected.
> >
> >I have enabled the layer 3 in the 3550
> >
> >If I ping from host A to host B I cannot get a success.
> >
> >If I disable the protected port I can ping through the layer 2 of 3550.
> >
> >I don`t understand why?
> >
> >any suggest?
> >
> >Many Thanks
> >
> >Francesco
> >
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-- dg
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