RE: 2924M-XL one-way ping anomaly

From: hulbertj@comcast.net
Date: Wed Jul 06 2005 - 14:56:05 GMT-3


I've seen the same thing when you have a Firewall (windows firewall) enabled on the PC.

Make sure you allow incoming echo requests on the PC in question.

Jerry

-------------- Original message --------------

> Are you running some kind of firewall on your PC?
>
>
> >From: Dennis Dumont
> >Reply-To: Dennis Dumont
> >To: Groupstudy CCIELab , mcarpenter@telsource.com,
> > Mike Barreda , cdavis@telsource.com
> >Subject: 2924M-XL one-way ping anomaly
> >Date: Wed, 6 Jul 2005 07:48:24 -0700 (PDT)
> >
> >Has anyone ever had this happen:
> >224M-XL, 12.0(5)WC11
> >Config loaded is as follows:
> >
> >int vlan 1
> >ip addr 1.1.1.1 255.0.0.0
> >no shut
> >
> >PC connected to port 2, at address 1.1.1.2 with
> >nothing else plugged into the switch
> >
> >PC can ping the switch. Switch CANNOT ping the pc,
> >although it can tftp (archive /xtract) to/from the PC.
> > Switch has the correct MAC address in its ARP table
> >for the 1.1.1.2 address.
> >
> >I can't even imagine how to make it do this, but its
> >survived two IOS loads, and several reboots and
> >wr/erase reloads.
> >
> >Yes I have a TAC case open - just seeing if the smart
> >people on this list have ever seen anything like this.
> >
> >
> >
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