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Re: How to monitor a port on Cisco Catalyst switch !

To: nv-l@lists.tivoli.com
Subject: Re: How to monitor a port on Cisco Catalyst switch !
From: "Darrell W. Perreira" <perreirad001@hawaii.rr.com>
Date: Tue, 7 Aug 2001 20:22:32 -1000
This is a multi-part message in MIME format.
OK, but if the switch port stops forwarding data, then the port on the router 
should not response to ping, right?  It is my understanding when a port on a 
Cisco router responses to ping, it sends the packet out that port, therefore if 
the switch is not forwarding packets, the port will not response.  Keep in mind 
that I have not tested this, I read it somewhere.

Darrell



----- Original Message ----- 
  From: shella kevin 
  To: nv-l@tkg.com 
  Sent: Tuesday, August 07, 2001 5:53 PM
  Subject: Re: [NV-L] How to monitor a port on Cisco Catalyst switch !



  But there can be a chance that the particular port stops forwarding the data. 
Now the physical link is up. I had this problem because I have 2 ports 
redundant and one stopped forwarding the data but the link was up. So I will 
like more to monitor the port on switch.

  Please advise.

  Thanks

  Tanveer



  >From: "Darrell W. Perreira" 
  >Reply-To: IBM NetView Discussion 
  >To: "IBM NetView Discussion" 
  >Subject: Re: [NV-L] How to monitor a port on Cisco Catalyst switch ! 
  >Date: Tue, 7 Aug 2001 15:55:21 -1000 
  > 
  >S.K 
  > How about monitoring the port on the router, if the port on the switch, 
which connects to this router, goes downm the router port should turn red. 
Example: Router 4500 port E0 goes to port F0/1 on a Cisco 2924, when port F0/1 
goes down the router port E0 should turn red (unable to ping). 
  > 
  >Darrell 
  > 
  > ----- Original Message ----- 
  > From: shella kevin 
  > To: nv-l@tkg.com 
  > Cc: bernard.baudoux@fortisbank.com 
  > Sent: Tuesday, August 07, 2001 3:08 PM 
  > Subject: RE: [NV-L] How to monitor a port on Cisco Catalyst switch ! 
  > 
  > 
  > 
  > Bernard, 
  > 
  > Thanks for your reply. Let me again give you some more explaination what I 
am trying to do here. Let you know I am little new to netview. I need to 
monitor the port on which my router is connected. Monitor means I need to know 
when this port will become faulty and goes down or come up etc. It will be 
great if you could teach me how can I able to configure my netview to know what 
weather the traffic is flowing through the port or not. Can I pull this data to 
show up on a graph so that anyone can see and figure it out that weather the 
traffic is going through that particular port or not. Just to let u know my 
target is only PORT not whole the switch. Actually I have couple of incident in 
which my port when bad but I was not able to detect this. I will only get the 
alert if whole switch will go down. 
  > 
  > Can you please advise how I can overcome my this problem ? Thanks 
  > 
  > 
  > 
  > S.K 
  > 
  > 
  > 
  > >From: BAUDOUX BERNARD 
  > >Reply-To: IBM NetView Discussion 
  > >To: "'IBM NetView Discussion'" 
  > >Subject: RE: [NV-L] How to monitor a port on Cisco Catalyst switch ! 
  > >Date: Tue, 7 Aug 2001 10:16:05 +0200 
  > > 
  > >Hello Shella, 
  > > 
  > > 
  > >what do you mean with 'monitor the switch port' ? 
  > > 
  > >Do you mean check the status (up/down) of this interface ? Then netmon 
will 
  > >do that automatically for you. If you want to receive specific traps 
  > >regarding this interface then you will have to configure the switch to 
send 
  > >traps to Netview. 
  > >If you want to be aware of the traffic going through this interface then 
you 
  > >will have to configure data collection. 
  > > 
  > >Regards, 
  > >Bernard Baudoux 
  > >Phone: +32 (0)2/565.24.68 
  > >e-mail : bernard.baudoux@fortisbank.com 
  > > 
  > > 
  > > > -----Original Message----- 
  > > > From: shella kevin [SMTP:love4u99@hotmail.com] 
  > > > Sent: Tuesday, 07 August, 2001 09:15 
  > > > To: nv-l@tkg.com 
  > > > Subject: [NV-L] How to monitor a port on Cisco Catalyst switch ! 
  > > > 
  > > > Hi All, 
  > > > 
  > > > I have a cisco router connected on a cisco switch port. I am using 
  > > > netview 
  > > > to monitor other 
  > > > devices in my network and so as these two devices. Can anyone guide me 
how 
  > > > 
  > > > do I monitor a port 
  > > > on a cisco switch via netview ? 
  > > > so that I can monitor the port on which my router is connected ? Anyone 
  > > > have 
  > > > any good idea ? 
  > > > 
  > > > 
  > > > -------- 
  > > > | Switch | 
  > > > | | 
  > > > -------- 
  > > > | 
  > > > | 
  > > > | 
  > > > | 
  > > > -------- 
  > > > | Router | 
  > > > | | 
  > > > -------- 
  > > > 
  > > > Thanks 
  > > > Shella K. 
  > > > 
  > > > _________________________________________________________________ 
  > > > Get your FREE download of MSN Explorer at 
http://explorer.msn.com/intl.asp 
  > > > 
  > > > 
_________________________________________________________________________ 
  > > > NV-L List information and Archives: http://www.tkg.com/nv-l 
  > > 
  > >This email and any attached files are confidential and may be legally 
privileged. 
  > >If you are not the intended recipient, any disclosure, reproduction, 
  > >copying, distribution, or other dissemination or use of this communication 
  > >is strictly prohibited. 
  > >If you have received this transmission in error please notify the sender 
  > >immediately and then delete this email. 
  > >Email transmission cannot be guaranteed to be secure or error free as 
  > >information could be intercepted, corrupted, lost, destroyed, arrive late 
or 
  > >incomplete, or contain viruses. 
  > >The sender therefore is in no way liable for any errors or omissions in 
the 
  > >content of this message, which may arise as a result of email 
transmission. 
  > >If verification is required, please request a hard copy. 
  > > 
  > > 
  > > 
  > > 
  > >_________________________________________________________________________ 
  > >NV-L List information and Archives: http://www.tkg.com/nv-l 
  > 
  > 
  
>------------------------------------------------------------------------------ 
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  > _________________________________________________________________________ 
NV-L List information and Archives: http://www.tkg.com/nv-l 


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  _________________________________________________________________________ 
NV-L List information and Archives: http://www.tkg.com/nv-l 
OK, but if the switch port stops forwarding data, then the port on the router should not response to ping, right?  It is my understanding when a port on a Cisco router responses to ping, it sends the packet out that port, therefore if the switch is not forwarding packets, the port will not response.  Keep in mind that I have not tested this, I read it somewhere.
 
Darrell
 
 
 
----- Original Message -----
Sent: Tuesday, August 07, 2001 5:53 PM
Subject: Re: [NV-L] How to monitor a port on Cisco Catalyst switch !

But there can be a chance that the particular port stops forwarding the data. Now the physical link is up. I had this problem because I have 2 ports redundant and one stopped forwarding the data but the link was up. So I will like more to monitor the port on switch.

Please advise.

Thanks

Tanveer

>From: "Darrell W. Perreira"
>Reply-To: IBM NetView Discussion
>To: "IBM NetView Discussion"
>Subject: Re: [NV-L] How to monitor a port on Cisco Catalyst switch !
>Date: Tue, 7 Aug 2001 15:55:21 -1000
>
>S.K
> How about monitoring the port on the router, if the port on the switch, which connects to this router, goes downm the router port should turn red. Example: Router 4500 port E0 goes to port F0/1 on a Cisco 2924, when port F0/1 goes down the router port E0 should turn red (unable to ping).
>
>Darrell
>
> ----- Original Message -----
> From: shella kevin
> To: nv-l@tkg.com
> Cc: bernard.baudoux@fortisbank.com
> Sent: Tuesday, August 07, 2001 3:08 PM
> Subject: RE: [NV-L] How to monitor a port on Cisco Catalyst switch !
>
>
>
> Bernard,
>
> Thanks for your reply. Let me again give you some more explaination what I am trying to do here. Let you know I am little new to netview. I need to monitor the port on which my router is connected. Monitor means I need to know when this port will become faulty and goes down or come up etc. It will be great if you could teach me how can I able to configure my netview to know what weather the traffic is flowing through the port or not. Can I pull this data to show up on a graph so that anyone can see and figure it out that weather the traffic is going through that particular port or not. Just to let u know my target is only PORT not whole the switch. Actually I have couple of incident in which my port when bad but I was not able to detect this. I will only get the alert if whole switch will go down.
>
> Can you please advise how I can overcome my this problem ? Thanks
>
>
>
> S.K
>
>
>
> >From: BAUDOUX BERNARD
> >Reply-To: IBM NetView Discussion
> >To: "'IBM NetView Discussion'"
> >Subject: RE: [NV-L] How to monitor a port on Cisco Catalyst switch !
> >Date: Tue, 7 Aug 2001 10:16:05 +0200
> >
> >Hello Shella,
> >
> >
> >what do you mean with 'monitor the switch port' ?
> >
> >Do you mean check the status (up/down) of this interface ? Then netmon will
> >do that automatically for you. If you want to receive specific traps
> >regarding this interface then you will have to configure the switch to send
> >traps to Netview.
> >If you want to be aware of the traffic going through this interface then you
> >will have to configure data collection.
> >
> >Regards,
> >Bernard Baudoux
> >Phone: +32 (0)2/565.24.68
> >e-mail : bernard.baudoux@fortisbank.com
> >
> >
> > > -----Original Message-----
> > > From: shella kevin [SMTP:love4u99@hotmail.com]
> > > Sent: Tuesday, 07 August, 2001 09:15
> > > To: nv-l@tkg.com
> > > Subject: [NV-L] How to monitor a port on Cisco Catalyst switch !
> > >
> > > Hi All,
> > >
> > > I have a cisco router connected on a cisco switch port. I am using
> > > netview
> > > to monitor other
> > > devices in my network and so as these two devices. Can anyone guide me how
> > >
> > > do I monitor a port
> > > on a cisco switch via netview ?
> > > so that I can monitor the port on which my router is connected ? Anyone
> > > have
> > > any good idea ?
> > >
> > >
> > > --------
> > > | Switch |
> > > | |
> > > --------
> > > |
> > > |
> > > |
> > > |
> > > --------
> > > | Router |
> > > | |
> > > --------
> > >
> > > Thanks
> > > Shella K.
> > >
> > > _________________________________________________________________
> > > Get your FREE download of MSN Explorer at http://explorer.msn.com/intl.asp
> > >
> > > _________________________________________________________________________
> > > NV-L List information and Archives: http://www.tkg.com/nv-l
> >
> >This email and any attached files are confidential and may be legally privileged.
> >If you are not the intended recipient, any disclosure, reproduction,
> >copying, distribution, or other dissemination or use of this communication
> >is strictly prohibited.
> >If you have received this transmission in error please notify the sender
> >immediately and then delete this email.
> >Email transmission cannot be guaranteed to be secure or error free as
> >information could be intercepted, corrupted, lost, destroyed, arrive late or
> >incomplete, or contain viruses.
> >The sender therefore is in no way liable for any errors or omissions in the
> >content of this message, which may arise as a result of email transmission.
> >If verification is required, please request a hard copy.
> >
> >
> >
> >
> >_________________________________________________________________________
> >NV-L List information and Archives: http://www.tkg.com/nv-l
>
>
>------------------------------------------------------------------------------
> Get your FREE download of MSN Explorer at http://explorer.msn.com
> _________________________________________________________________________ NV-L List information and Archives: http://www.tkg.com/nv-l


Get your FREE download of MSN Explorer at http://explorer.msn.com
_________________________________________________________________________ NV-L List information and Archives: http://www.tkg.com/nv-l




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