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RE: [nv-l] SNMP MIB variables for Configuration Poll

To: <nv-l@lists.us.ibm.com>
Subject: RE: [nv-l] SNMP MIB variables for Configuration Poll
From: <R.Veenstra@Unive.nl>
Date: Thu, 22 Apr 2004 08:56:52 +0200
Delivery-date: Thu, 22 Apr 2004 08:05:14 +0100
Envelope-to: nv-l-archive@lists.skills-1st.co.uk
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James, Jane

Thanks for your replies. I think we will try this with a test router and
find out if the variables Jane specified are suffient. If not, maybe tracing
netmon will be our way to go :-( 

Cheers,

Rick

> -----Original Message-----
> From: Jane Curry [mailto:jane.curry@skills-1st.co.uk] 
> Sent: 20 April 2004 15:57
> To: nv-l@lists.us.ibm.com
> Subject: Re: [nv-l] SNMP MIB variables for Configuration Poll
> 
> 
> The easy request to your network supplier would be for 
> read-Only access 
> to all MIB-2 variables. That should at least get the routers 
> discovered 
> automatically. You can almost certainly restrict it further than that 
> though I have never seen a comprehensive list and have not 
> traced netmon 
> to the extent of checking all the variables asked for in a discovery 
> poll. My guess is that Mib-2 system, interface, arp and ip 
> tables would 
> probably suffice. The Cisco CDP Cache table is polled for unnumbered 
> serial devices but the default route table will be used if 
> there is no 
> access to CDP cache.
> 
> Here is an entry from the Tivoli Support site:
> 
> page 152 of the Version 7 Administrator's Guide:
> --------------------------------------------------------------
> -----------
> Information Retrieved When a new node is discovered, it is 
> added to the 
> topology database and also to the list of nodes that is being 
> monitored. 
> If the newly discovered node supports an SNMP agent, 
> information about 
> its system configuration is retrieved and stored in the 
> database. Table 
> 13 on page 152 shows the information that is retrieved:
> 
> Table 13. Configuration Information Retrieved From Nodes 
> During Discovery
> 
> Information   MIB Variable    Description
> System description    sysDescr        Includes the full name 
> and version of the 
> system's hardware type, software operating system, and 
> networking software.
> System object ID      sysObjectID     Identifies the network 
> object's place in 
> the MIB hierarchy.
> Forwarding status     ipForwarding    Indicates whether this 
> entity is acting 
> as an IP gateway to forward datagrams received by, but not 
> addressed to, 
> this entity
> IP address table      ipAddrTable     Lists addressing 
> information relevant to 
> this entity's IP addresses.
> Interface table       ifTable, ifNumber, ifSpeed      Lists 
> interface entries by 
> number.
> System location       sysLocation     Indicates the physical location
> of this network object.
> System contact        sysContact      Lists the person to 
> contact for this network 
> object and tells how to contact that person.
> 
> 
> Cheers,
> Jane
> 
> 
> R.Veenstra@Unive.nl wrote:
> 
> >Hi list members
> >
> >Our company has a WAN to connect four main offices and over 150 
> >regional sales offices. Our WAN is managed by an independend Network 
> >Carrier. In Netview we now have a WAN composed of over 150 isolated 
> >LANs since Netview can't see any router. We are struggeling with our 
> >WAN provider to get at least minimal access to their routers 
> to be able 
> >to automatically build a decent network overview in NetView. We are 
> >trying to get rid of manually maintained IP maps with over 
> 150 manually 
> >configured routers (and a netmon deamon that keeps 
> complaining that it 
> >can see lots of remote networks but can't figure out why it can see 
> >them).
> >
> >We are trying to define what part of the MIB we need to 
> access to have 
> >Netview recognize the routers as routers and discover our 
> own networks 
> >behind it. In the end this means that our carrier requires 
> us to fully 
> >specify an SNMP view ourselves ;-( The routers are all of the Cisco 
> >2900 and 3600 series and connect LANs in the 10.0.0.0 network over 
> >MPLS. Our carrier does not allow us to find any information over the 
> >MPLS cloud.
> >
> >So my question is:
> >What is the best way of finding out what parts of the MIB 
> are accessed
> >during a configuration and/or discovery poll?
> >
> >With Kind regards
> >
> >Rick Veenstra
> >ICT Specialist Midrange
> >
> >     Univé Verzekeringen
> >     Beheer & Exploitatie
> >     team Infrastructuur Ontwikkeling en Beheer
> >     Bezoekadres:    Hanzeplein 1, Zwolle - kamer B515
> >     Postadres:      Postbus 607, 8000 AP  Zwolle
> >     Telefoon:               (038) 427 8943
> >     Email:          r DOT veenstra AT unive.nl
> >
> >
> >
> >============================================
> >
> >Toelichting bij dit e-mail bericht:
> >Dit bericht is slechts bestemd voor de geadresseerde en kan 
> informatie 
> >bevatten die persoonlijk en/of vertrouwelijk is en die niet openbaar 
> >mag worden gemaakt. Indien u niet zelf de geadresseerde 
> bent, wordt u 
> >erop gewezen dat verdere verspreiding, openbaarmaking of 
> >vermenigvuldiging van dit bericht verboden is. Indien u dit 
> bericht per 
> >vergissing hebt ontvangen, verzoek ik u mij zo snel mogelijk op de 
> >hoogte te stellen en het originele bericht en eventuele 
> kopieën ervan, 
> >te verwijderen. Dank voor uw medewerking. Hoe Univé het 
> medium internet 
> >beschouwt als informatiedrager kunt u lezen op deze pagina. 
> Univé kan 
> >niet garanderen dat een verzonden e-mailbericht vrij is van 
> virussen, 
> >noch dat e-mailberichten worden overgebracht zonder inbreuk door of 
> >tussenkomst van onbevoegde derden.
> >
> >============================================
> >De woorden [deze pagina] in de voorlaatste regel zijn de verwijzing 
> >naar de tekst op de website: 
> >http://www.unive.nl/index.asp?jumpurl=/sgeneralpage.asp?strTy
pe=vast&st
>rDescription=Unive+en+Internet
>
>
>
>  
>

-- 
Tivoli Certified Consultant & Instructor
Skills 1st Limited, 2 Cedar Chase, Taplow, Bucks, SL6 0EU, UK
Tel: +44 (0)1628 782565
Copyright (c) 2004 Jane Curry <jane.curry@skills-1st.co.uk>.  All rights
reserved.



============================================

Toelichting bij dit e-mail bericht:
Dit bericht is slechts bestemd voor de geadresseerde en kan informatie bevatten 
die persoonlijk en/of vertrouwelijk is en die niet openbaar mag worden gemaakt. 
Indien u niet zelf de geadresseerde bent, wordt u erop gewezen dat verdere 
verspreiding, openbaarmaking of vermenigvuldiging van dit bericht verboden is. 
Indien u dit bericht per vergissing hebt ontvangen, verzoek ik u mij zo snel 
mogelijk op de hoogte te stellen en het originele bericht en eventuele kopieën 
ervan, te verwijderen. Dank voor uw medewerking. Hoe Univé het medium internet 
beschouwt als informatiedrager kunt u lezen op deze pagina. Univé kan niet 
garanderen dat een verzonden e-mailbericht vrij is van virussen, noch dat 
e-mailberichten worden overgebracht zonder inbreuk door of tussenkomst van 
onbevoegde derden.

============================================
De woorden [deze pagina] in de voorlaatste regel zijn de verwijzing naar de 
tekst op de website:
http://www.unive.nl/index.asp?jumpurl=/sgeneralpage.asp?strType=vast&strDescription=Unive+en+Internet


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