nv-l

Re: Query More Than One Port

1998-10-02 12:17:05
Subject: Re: Query More Than One Port
From: "Boyles, Gary P" <gary.p.boyles AT INTEL DOT COM>
To: nv-l AT lists.tivoli DOT com
Date: Fri, 2 Oct 1998 09:17:05 -0700
James,
I believe the old "System Monitor" agent was a multi-plexing agent.
It handled all of the multi-plexing of messages between different
ports.

Was this function lost when they split it up (SIA, MLM, DLM)?

Regards,

Gary Boyles


> -----Original Message-----
> From: James_Shanks AT TIVOLI DOT COM [SMTP:James_Shanks AT TIVOLI DOT COM]
> Sent: Thursday, October 01, 1998 4:04 PM
> To:   NV-L AT UCSBVM.UCSB DOT EDU
> Subject:      Re: Query More Than One Port
>
> No, I did not say trapd can listen to more than one port (per protocol --
> udp or tcp).  But you can pick what that is in /etc/services.  What I said
> was that there are two cases where this would work, but as I do not know
> how either of those agents behave, I cannot say which is better, or even
> if
> either will work.
>
> Case 1:  both agents get traps off some port of their chosing, say 162/udp
> and 200/udp, but both are configured to send them out again to another
> port, say 300/udp, and this is what is configured in /etc/services for
> trapd.  I don't know if the agents can do this.  This is very similar to
> how the Optivity Fault Correlator works.  He gets all the external traps
> and decides which ones to forward to NetView.  Note that he does not get
> the netmon traps which are sent via tcp.   Your agents will not get them
> either.
>
> Case 2:  trapd listens on the standard port 162/udp and all traps come to
> him first.  But you configure trapd to forward traps to ports 200/udp and
> 300/udp, which are what these other agents are listening to respectively.
> Can they do that?  I don't know.
>
> In either case, you can configure trapd to forward to the host and port
> you
> want as a daemon option, and you then configure which traps are to be
> forwarded in the Event Browser.
>
> If neither of these two scenarios is possible with these agents, then they
> cannot run on the same box as NetView.
>
> James Shanks
> Tivoli (NetView for UNIX) L3 Support
>
>
>
> Vince Rosso <Vince_Rosso AT TRANSALTA DOT COM> on 09/30/98 07:04:57 PM
>
> Please respond to Discussion of IBM NetView and POLYCENTER Manager on
>       NetView et alia <NV-L AT UCSBVM.UCSB DOT EDU>
>
> To:   NV-L AT UCSBVM.UCSB DOT EDU
> cc:    (bcc: James Shanks)
> Subject:  Re: Query More Than One Port
>
>
>
>
>
>
>
>
>
> Vince [email protected]
> 30/09/98 05:04 PM
>
> Are you saying that trapd can listen to more than one port.  I checked out
> the services file and see the definition for trapd on port 162.   Can I
> just insert another line so it is also looking at port 200?
>
>
>
>  (Embedded
>  image moved   James_Shanks AT TIVOLI DOT COM
>  to file:      09/30/98 04:47 PM
>  pic04272.pcx)
>
>
>
>
> Please respond to Discussion of IBM NetView and POLYCENTER Manager on
>       NetView et alia <NV-L AT UCSBVM.ucsb DOT edu>
>
> To:   NV-L AT UCSBVM.ucsb DOT edu
> cc:    (bcc: Vince Rosso)
> Subject:  Re: Query More Than One Port
>
>
>
>
> I know nothing about those agents.  But I do know that trapd can forward
> traps to any udp port you like.  So he could get them first and forward to
> these agents, or he could be set to listen to a different port altogether
> (in /etc/services) if they can forward to him
>
> James Shanks
> Tivoli (NetView for UNIX) L3 Support
>
>
>
> Vince Rosso <Vince_Rosso AT TRANSALTA DOT COM> on 09/30/98 12:06:35 PM
>
> Please respond to Discussion of IBM NetView and POLYCENTER Manager on
>       NetView et alia <NV-L AT UCSBVM.UCSB DOT EDU>
>
> To:   NV-L AT UCSBVM.UCSB DOT EDU
> cc:    (bcc: James Shanks)
> Subject:  Re: Query More Than One Port
>
>
>
>
>
>
>
>
>
> Vince [email protected]
> 30/09/98 10:06 AM
>
> The 2 agents we are looking at are the PEER SNMP Agent for an application
> called Genesys and the Native NT Agent.   I'm not sure if that gives you
> enough information.
>
>
>
>  (Embedded
>  image moved   James_Shanks AT TIVOLI DOT COM
>  to file:      09/29/98 07:36 PM
>  pic01530.pcx)
>
>
>
>
> Please respond to Discussion of IBM NetView and POLYCENTER Manager on
>       NetView et alia <NV-L AT UCSBVM.ucsb DOT edu>
>
> To:   NV-L AT UCSBVM.ucsb DOT edu
> cc:    (bcc: Vince Rosso)
> Subject:  Re: Query More Than One Port
>
>
>
>
> A udp port can be owned by just one application at a time.  And trapd
> listens to the one you tell him to in /etc/services.  The case you
> describe
> requires one trap receiver to forward the traps to another.  What agents
> are involved?
>
> James Shanks
> Tivoli (NetView for UNIX) L3 Support
>
>
>
> Vince Rosso <Vince_Rosso AT TRANSALTA DOT COM> on 09/29/98 03:43:28 PM
>
> Please respond to Discussion of IBM NetView and POLYCENTER Manager on
>       NetView et alia <NV-L AT UCSBVM.UCSB DOT EDU>
>
> To:   NV-L AT UCSBVM.UCSB DOT EDU
> cc:    (bcc: James Shanks)
> Subject:  Query More Than One Port
>
>
>
>
>
> Vince [email protected]
> 29/09/98 01:43 PM
>
> We have a situation where we need to run 2 different application specific
> snmp agents on a managed node.  My understanding is that managed nodes
> converse with Netview (v4.1) through port 162.  I don't believe 2 agents
> can share the same port.   I believe we can specify a unique port on the
> node for each agent ie. port 162 and port 200.    Can Netview be
> configured
> to recognize 2 different agents on the same node with unique port numbers?
>
>
>
>  << File: pic01530.pcx >>  << File: pic04272.pcx >>

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