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Today's Topics:
1. exctract values from netdisco via powershell (Stephan Grund)
2. Mac Suck Problem with Netdisco2 (Oliver B?hrig)
3. Re: exctract values from netdisco via powershell (Jon Gerdes)
4. Best way to discover Cisco Nexus N5K (Sebastian R?sch)
5. Extend Report "Ports Multiple Nodes attached" with vlan and
device ip (Sebastian R?sch)
--- Begin Message ---
Hi!
Perhaps a little strange question. We want to use some of the
values that netdisco saves in a powershell script.
Example: we get an IP-Adress and want to know the Switch-Port
where this computer is attached to.
TIA,
Stephan Grund
--- End Message ---
--- Begin Message ---
Hi all,
I running Netdisco Version 1.0 and want migrate to Netdisco2. With a
test system I ran into Problems with Catos Switches and MacSuck. Same
Problem as described in a post from Drik Troendle some time ago.
*[Netdisco] Netdisco2 Macsuck CPU Utilization on Cisco Catalyst 6500
<http://sourceforge.net/p/netdisco/mailman/message/33520728/>*
From: Troendle, Dirk (SCC) <dirk.troendle@pa...> - 2015-03-02 15:54:47
It takes about 2-3 hours, depending from the device type, to read all
mac address assignment from the switch. The CPU get up to 100 %. With
Netdisco Version 1.0 I had no problems. The MacSuck run took max. 1.5
minutes. Cisco Nexus and IOS and some other vendor did not run into
problems with Version 2.
Netdisco Version1.0 runs MacSuck in a different way as Version 2.0 do,
right ?
Version 2 request mac address assignments per Vlan and Catalyst with
CatOS spend a lot of time (CPU) to send snmp answers. Version 1.0 seems
to get the mac addresses from the bridgetable.
'Saw : 1440 forwarding table entries. Took 82 seconds.'
Any ideas to get that kind of request in Netdisco Version 2 ?
Regards,
Oliver Buehrig
--- End Message ---
--- Begin Message ---
On Wed, 2015-09-23 at 15:33 +0200, Stephan Grund wrote:
> Hi!
>
> Perhaps a little strange question. We want to use some of the
> values that netdisco saves in a powershell script.
> Example: we get an IP-Adress and want to know the Switch-Port
> where this computer is attached to.
>
> TIA,
> Stephan Grund
>
Not a PSH expert but I know there is an ODBC connector for Postgres
available. That will get you to the DB, the rest is SQL.
If the db command line is a bit intimidating, you might like to have a
look at this: http://www.pgadmin.org/download/windows.php to explore
how the tables and data hang together.
Cheers
Jon
--- End Message ---
--- Begin Message ---
Hi,
I would like to know, if somebody uses netdisco to discover Cisco Nexus stuff?
We have 4x Nexus 5000 and the problem is, that we´re using multiple vrf´s. To
get the ARP entries from all the different vrfs, I cannot use the management
address, I have to use IP-Adresses from every vrf. The same management address
is present in all discovered nexus devices/instances.
Therefore I created different snmp communities, mapped to the different vrfs.
Looks like this:
snmp-server context netdisco_wan vrf WAN
snmp-server context netdisco_dmz vrf DMZ
snmp-server context netdisco_server_prod_neu vrf Server_Prod_neu
snmp-server community netdisco_wan
snmp-server community netdisco_dmz
snmp-server community netdisco_server_prod_neu
snmp-server mib community-map netdisco_wan context netdisco_wan
snmp-server mib community-map netdisco_dmz context netdisco_dmz
snmp-server mib community-map netdisco_server_prod_neu context
netdisco_server_prod_neu
I needed to force netdisco to use snmpv2, v3 wasn´t working.
But now, netdisco shows several different entries for the same system, because
it treats it as different devices. Isn´t there a way to improve that?
I also tried to use ssh-collector, with a little modified Cisco IOS-XR Script.
The command line needs to be "show ip arp vrf all". But I didn´t work. I think
there also other dependencies, that needs to be modified, I don´t know about...
Did somebody found a better way to include nexus devices with vrf?
Best Regards
Sebastian
--- End Message ---
--- Begin Message ---
Hello,
I need a report for multiple nodes attached to one port, but it I need to
filter for a specific vlan (and also for ip-address would be good). I tried
different queries, but my understandings of netdisco´s database structure are
limited ;) Where can I find (which file) the sql statements, that are executed
for the reports in the webfrontend? (Is this the correct one?
-->App-Netdisco-2.033002 / lib / App / Netdisco / Web / Plugin / Report /
PortMultiNodes.pm)
Or did somebody already built such a report?
Best Regards
Sebastian
--- End Message ---
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