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Today's Topics:
1. Re: appropriate SNMPv3 view (Eric W. Bates)
2. Netdisco update (Eric W. Bates)
3. Re: Netdisco update (Oliver Gorwits)
--- Begin Message ---
BINGO!
snmp-server view VIEW_WHOI internet included
snmp-server view VIEW_WHOI lldpObjects included
snmp-server view VIEW_WHOI cisco included
Interestingly, I entered the middle line as (no leading 'dot'):
snmp-server view VIEW_WHOI 1.0.8802.1.1.2.1 included
and IOS translated that oid into "lldpObjects".
I'd still like to find a list of the cisco predefines (there is no
auto-completion on the command line); but netdisco is happy.
thank you.
On 03/17/2018 10:37 AM, Oliver Gorwits wrote:
Hi Eric
Oh I see. I think you can use a numeric OID in the view command, such as:
snmp-server view VIEW_WHOI 1.0.8802.1.1.2 included
or even
snmp-server view VIEW_WHOI 1 included
(not sure if there needs to be a leading dot on the ID).
regards,
oliver.
On 2018-03-17 14:18, Eric W. Bates wrote:
On 03/17/2018 08:55 AM, Oliver Gorwits wrote:
Hi Eric
On 2018-03-09 00:39, Eric W. Bates wrote:
We're trying to deploy a more secure SNMP and to that end we're
implementing SNMP v3.
Part of the standard definition for SNMP v3 is the use of a view.
My (somewhat feeble) understanding of SNMP views is that they act as
an internal ACL to the device but are not something the managing
agent (Netdisco) needs to know about. The view (ACL) says what MIBs
are available for a given username/credential set.
(in SNMPv3 there are also contexts, which are a different thing)
So you need to assign the view (VIEW_WHOI) to the group used by the
username used by Netdisco.
Many examples exist in Google, such as:
snmp-server ifindex persist
snmp-server view VIEW_WHOI iso included
snmp-server group v3group v3 priv read VIEW_WHOI
snmp-server user v3user v3group v3 auth sha pass123 priv des56 pass456
Yah. We've gotten that far. The basic problem is that the LLDP oids
which netdisco wants to read to find neighbors is not encompassed by
the pre-defined cisco views named: "internet" "mib-2" "system" or
"cisco"
So I need help either composing my own view (every attempt on the
ciscos has been rejected -- so this is really a cisco question); or
identifying a pre-defined view which already includes the LLDP oids.
I had hoped that another netdisco user had already worked this out.
Hope this helps?
regards,
oliver.
However, I can't find a list of acceptable "views" nor their contents.
Specifically, the problem today is netdisco's failure to pull the lldp
oid's:
SNMP::Info::_global lldp_sys_cap : LLDP-MIB::lldpLocSysCapEnabled.0 :
.1.0.8802.1.1.2.1.3.6.0
SNMP::Info::_validate_autoload_method(CARP_TRACE) Unable to resolve
method.
SNMP::Info::_global(lldp_sys_cap) NOSUCHOBJECT at
/home/netdisco/perl5/lib/perl5/App/Netdisco/Core/Discov
er.pm line 676.
SNMP::Info::_load_attr lldp_rem_id : LLDP-MIB::lldpRemChassisId :
.1.0.8802.1.1.2.1.4.1.1.5
SNMP::Info::_global cdp_run : CISCO-CDP-MIB::cdpGlobalRun.0 :
.1.3.6.1.4.1.9.9.23.1.3.1.0
SNMP::Info::_validate_autoload_method(CARP_TRACE) Unable to resolve
method.
SNMP::Info::_global(cdp_run) NOSUCHOBJECT at
/home/netdisco/perl5/lib/perl5/App/Netdisco/Core/Discover.pm
line 676.
The view on the cisco I have is:
snmp-server view VIEW_WHOI internet included
snmp-server view VIEW_WHOI mib-2 included
snmp-server view VIEW_WHOI system included
snmp-server view VIEW_WHOI cisco included
But I'm really just guessing.
Is there a recommended view for netdisco?
Is there a list of view objects somewhere on line?
Is there a list of what MIB's these objects include?
Thanks.
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--- End Message ---
--- Begin Message ---
What is the proper netdisco update procedure? I've not been able to find
a description.
--
Clark 159a, MS 46
508/289-3112
--- End Message ---
--- Begin Message ---
Hi Eric
It’s here:
https://metacpan.org/pod/App::Netdisco#Upgrading-from-2.x
Oliver.
Sent from the moon.
> On 17 Mar 2018, at 21:11, Eric W. Bates <[email protected]> wrote:
>
> What is the proper netdisco update procedure? I've not been able to find a
> description.
>
> --
> Clark 159a, MS 46
> 508/289-3112
>
>
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