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Today's Topics:
1. Re: Duplicate Cisco Nexus Serial Numbers
([email protected])
2. Re: Duplicate Cisco Nexus Serial Numbers (Wim Vandersmissen)
----------------------------------------------------------------------
Message: 1
Date: Fri, 16 Oct 2015 11:23:30 +0000
From: <[email protected]>
Subject: Re: [Netdot-users] Duplicate Cisco Nexus Serial Numbers
To: <[email protected]>
Message-ID:
<0012440aaa08484eabb35da1b715b8f909f29...@ar183mbx01.ads.muellergroup.com>
Content-Type: text/plain; charset="utf-8"
Hi Chip,
May you provide some information about your environmtent.
Which version of netdot do you use? Do your nexus run VSS? How many device
records do you have in Netdot for your Nexus?
Regards,
Moe
From: [email protected]
[mailto:[email protected]] On Behalf Of Chip Pleasants
Sent: Mittwoch, 14. Oktober 2015 21:46
To: [email protected]
Subject: Re: [Netdot-users] Duplicate Cisco Nexus Serial Numbers
Hi all,
I've only received one reply from my message about our change in the
device.pm<http://device.pm>. Is device.pm<http://device.pm> not Netdot source?
I've included the change below for everyone. I can post it in another place
if someone directs me where. I'm kind of surprised no one has seen this
before. Let me know if anyone has questions.
[NETDOT_SERVER]# diff Device.pm Device_backup.pm
3027,3029d3026
< # Print asset id's for serial and base mac easier debugging
< $logger->debug("$host: ASSET SN $asset_sn");
< $logger->debug("$host: ASSET BASE MAC $asset_phy");
5697,5703c5694
< # Added to declare device sysdescription
< my $sysdesc = delete $info->{sysdescription};
<
< # Added to not allow NX-OS devices to use base mac, incase VPC
peer-switch is configured
< # Since this feature causes the same base MAC to be used for every VPC
device with the same
< # Domain ID.
< if ( $address && ($address = PhysAddr->validate($address)) && $sysdesc !~
/NX-OS/ ) {
---
> if ( $address && ($address = PhysAddr->validate($address))) {
[NETDOT_SERVERl]#
Thanks,
Chip
On Mon, Oct 12, 2015 at 11:49 AM, Chip Pleasants
<[email protected]<mailto:[email protected]>> wrote:
Hi All,
Just wanted to provide an update. We patched the device.pm<http://device.pm>,
which I believe is part of Netdot source. We added in a check to see if the
device was NX-OS and it if is, use the first interface mac on the device (the
mgmt interface) as the base_mac within NetDot rather than the Bridge ID as the
base_mac. Since the mgmt-int should be unique, this appears to resolve the
issue. I'm not sure what the correct protocol for code
updates/changes/suggestions to the source, so please comment on how I should
handle this particular instance. Idealy I'd think everyone would want a fix for
tis particular issue but maybe not.
-Chip
On Fri, Oct 9, 2015 at 9:21 AM, Chip Pleasants
<[email protected]<mailto:[email protected]>> wrote:
Hi All,
We are seeing duplicate serial numbers on Nexus VPC peers. A pair of Nexus
with the same VPC domain have the same serial numbers. I found a bug with
SNMP::Info 3.05 or prior, however updating to the latest 3.28 still doesn't
seem to fix the issue. Looks like it was fixed in 3.07. Anyone else seen this
before? How can I tell that I'm using the correct SNMP::Info module? Anyway to
actively view the polling? Does Netdot use NetDisco database structure? Below
is the thread I found, which discusses exactly what we are seeing. Let me know
if you have any questions and thank you for assisting me.
http://sourceforge.net/p/snmp-info/mailman/snmp-info-users/thread/[email protected]/
Thanks,
Chip
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Message: 2
Date: Fri, 16 Oct 2015 11:55:52 +0000
From: Wim Vandersmissen <[email protected]>
Subject: Re: [Netdot-users] Duplicate Cisco Nexus Serial Numbers
To: Chip Pleasants <[email protected]>,
"[email protected]" <[email protected]>
Message-ID:
<c662177c398fc342aae60cbe7593707d318d0...@icts-s-mbx5.luna.kuleuven.be>
Content-Type: text/plain; charset="utf-8"
Hi Chip,
We?re having the same issue, I patched it somewhere else in the code but forgot
to submit it :)
You could create a PR on github (https://github.com/cvicente/Netdot) or log the
issue on https://osl.uoregon.edu/redmine/projects/netdot/issues
Wim
From: [email protected]
[mailto:[email protected]] On Behalf Of Chip Pleasants
Sent: woensdag 14 oktober 2015 21:46
To: [email protected]
Subject: Re: [Netdot-users] Duplicate Cisco Nexus Serial Numbers
Hi all,
I've only received one reply from my message about our change in the device.pm
<http://device.pm> . Is device.pm <http://device.pm> not Netdot source? I've
included the change below for everyone. I can post it in another place if
someone directs me where. I'm kind of surprised no one has seen this before.
Let me know if anyone has questions.
[NETDOT_SERVER]# diff Device.pm Device_backup.pm
3027,3029d3026
< # Print asset id's for serial and base mac easier debugging
< $logger->debug("$host: ASSET SN $asset_sn");
< $logger->debug("$host: ASSET BASE MAC $asset_phy");
5697,5703c5694
< # Added to declare device sysdescription
< my $sysdesc = delete $info->{sysdescription};
<
< # Added to not allow NX-OS devices to use base mac, incase VPC
peer-switch is configured
< # Since this feature causes the same base MAC to be used for every VPC
device with the same
< # Domain ID.
< if ( $address && ($address = PhysAddr->validate($address)) && $sysdesc !~
/NX-OS/ ) {
---
> if ( $address && ($address = PhysAddr->validate($address))) {
[NETDOT_SERVERl]#
Thanks,
Chip
On Mon, Oct 12, 2015 at 11:49 AM, Chip Pleasants <[email protected]
<mailto:[email protected]> > wrote:
Hi All,
Just wanted to provide an update. We patched the device.pm <http://device.pm> ,
which I believe is part of Netdot source. We added in a check to see if the
device was NX-OS and it if is, use the first interface mac on the device (the
mgmt interface) as the base_mac within NetDot rather than the Bridge ID as the
base_mac. Since the mgmt-int should be unique, this appears to resolve the
issue. I'm not sure what the correct protocol for code
updates/changes/suggestions to the source, so please comment on how I should
handle this particular instance. Idealy I'd think everyone would want a fix for
tis particular issue but maybe not.
-Chip
On Fri, Oct 9, 2015 at 9:21 AM, Chip Pleasants <[email protected]
<mailto:[email protected]> > wrote:
Hi All,
We are seeing duplicate serial numbers on Nexus VPC peers. A pair of Nexus
with the same VPC domain have the same serial numbers. I found a bug with
SNMP::Info 3.05 or prior, however updating to the latest 3.28 still doesn't
seem to fix the issue. Looks like it was fixed in 3.07. Anyone else seen this
before? How can I tell that I'm using the correct SNMP::Info module? Anyway to
actively view the polling? Does Netdot use NetDisco database structure? Below
is the thread I found, which discusses exactly what we are seeing. Let me know
if you have any questions and thank you for assisting me.
http://sourceforge.net/p/snmp-info/mailman/snmp-info-users/thread/[email protected]/
Thanks,
Chip
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