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1372 discussions

Announcement: NAV 4.2.1 released
by Morten Brekkevold 28 Nov '14

28 Nov '14

The first maintenance release of the NAV 4.2 series is now available. The source code is available for download at Launchpad [1]. A new package for Debian Wheezy has been published in our APT repository [2], as usual. Changes ======= The following reported issues have been fixed: * LP#1395710 (api token can not be refreshed from the api) * LP#1396514 (Status tool in NAV 4.2 shows no events if API call returns a 500 error) * LP#1396516 (Status API in NAV 4.2 crashes when there are old deviant alerts present) * LP#1396517 (Status tool makes hyperlinks out of alert subjects that have no defined URL) * LP#1396531 (logengine spams the error message "KeyError: 'LINK'") * LP#1396914 (netmap filter on location excludes links) In the NAV 4.2.0 release announcement and changelog, four bugfixes were omitted by accident, because they had originally been committed to the 4.1.x release branch. The changelog has been updated. These were the bugfixes in question: * LP#1385121 ("Add graph to dashboard" does nothing under certain Apache configurations) * LP#1386716 (Maintenance task with no end time displays incorrectly in edit form) * LP#1389121 (when searching for an ip-address with space in it, NAV crashes) * LP#1389145 (Netbiostracker crash on unparseable MAC Address) Please refer to the release notes [3] for further information on upgrading. Happy NAVing everyone! Links ===== [1] https://launchpad.net/nav/4.2/4.2.1 [2] https://nav.uninett.no/wiki/nav_on_debian [3] https://nav.uninett.no/doc/4.2/release-notes.html#nav-4-2 -- Morten Brekkevold UNINETT AS

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logengine spams with INFO-messages
by Ingeborg Hellemo 27 Nov '14

27 Nov '14

I am aware of https://bugs.launchpad.net/nav/+bug/1396531 but I am not sure it is related. Since NAV 4.2 I receive email every minute with INFO:nav.logengine:Reading new log entries What am I missing? --Ingeborg -- Ingeborg Østrem Hellemo -- ingeborg.hellemo(a)uit.no Dep. of Information Technology --- Univ. of Tromsø

2 1

NAV 4.2 empty status page
by Ingeborg Hellemo 27 Nov '14

27 Nov '14

We have just moved our NAV 4.2-box from test to production and with real use the bugs start popping up. One user will not see any Events on his status page, even though he has chosen all possible Event types. The user is even "NAV administrator" How to debug this? We know there are events to be seen and the handful of other users I have tested as will see events as expected. --Ingeborg -- Ingeborg Østrem Hellemo -- ingeborg.hellemo(a)uit.no Dep. of Information Technology --- Univ. of Tromsø

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Announcement: NAV 4.2.0 released
by Morten Brekkevold 27 Nov '14

27 Nov '14

The feature release of the new NAV 4.2 series is now available. The source code is available for download at Launchpad [1]. A new package for Debian Wheezy has been published in our APT repository [2], as usual. Changes ======= The following new features and changes have been introduced: * LP#1063703 (The status page is becoming cluttered and should be redesigned) * LP#1374384 (Adding new devices to a room on maintenance does not put those devices on maintenance) * LP#1383624 (Machine Tracker should search uplink data as well) * LP#1383625 (Machine Tracker MAC search should also search physical port addresses) * LP#1384262 (Add unrecognized neighbor search to navbar) * LP#1388078 (Add IGMP Multicast group usage statistics to NAV) * LP#1389226 (Arbitrary attributes on netbox and location) * LP#1390073 (Add support for AKCP sensorProbe8) * LP#1388835 (Maintenance Engine needs a rewrite) * Netmap has been redesigned to fit better in the NAV 4 design. Please refer to the release notes [3] for further information on upgrading. Happy NAVing everyone! Links ===== [1] https://launchpad.net/nav/4.2/4.2.0 [2] https://nav.uninett.no/wiki/nav_on_debian [3] https://nav.uninett.no/doc/4.2/release-notes.html#nav-4-2 -- Morten Brekkevold UNINETT AS

2 3

Additional SNMP Polling through NAV
by jch＠raytheon.com 14 Nov '14

14 Nov '14

I am really new to NAV, but I've liked it so far in my lab testing. I do have some routers whose CPU utilization is not showing up, and I would like to poll some non-standard OIDs (like IP SLA metrics) even if NAV won't display them. I could use graphite to do that for me separately, but utilize the engine that NAV provides. Could someone point me to where I might need to go to do that? Is there an OID somewhere that could be added or updated to support newer router CPU metrics, so that my Cisco ISR-G2 routers will have that displayed? How can I customize the polling of some devices (mostly Cisco routers) to get additional metrics? I have not found where I can modify or add scripts to do this and need some general pointers on where to look on the internet as well as on the system. Since this is just a lab environment, I have all the NAV components on one server. Thanks, Joel

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Announcement: NAV 4.1.2 released
by Morten Brekkevold 30 Okt '14

30 Okt '14

The second maintenance release of the NAV 4.1 series is now available, version 4.1.2. The source code is available for download at Launchpad [1]. A new package for Debian Wheezy has been published in our APT repository [2]. Changes ======= The following reported issues have been fixed in the new release: * LP#1236387 (Netbiostracker doesn't handle MAC addresses with hyphens) * LP#1248084 (The heading "devices going down" in ipdevinfo affected tab should be changed to "devices unreachable") * LP#1359111 (Problem getting inventory for HP 5412R) * LP#1370051 (Whitespace in machinetracker widget causes stacktrace) * LP#1370517 (Several search views throw 500 exceptions where a 404 Not Found would be appropriate) * LP#1371026 (ipdevpoll topo job fails with AttributeError) * LP#1373841 (link from subnet matrix to machinetracker gives no results) * LP#1374391 (graph widget should have a target url attribute) * LP#1375749 (Maintenance calendar does not display task starting previous month) * LP#1380583 (Python requirements in install doc are out of sync with requirements.txt) * LP#1382460 (Ambiguous search input crashes l2trace) * LP#1382492 (Machine tracker searches crash when results include devices that haven't had any ipdevpoll jobs run against them) * LP#1382522 (Radius accounting search crashes when searching for hostname that cannot be found in DNS) * LP#1383624 (Machine Tracker should search uplink data as well) * LP#1383625 (Machine Tracker MAC search should also search physical port addresses) * LP#1384262 (Add unrecognized neighbor search to navbar) * LP#1387215 (Rubbish CDP neighboring port data crashes topo job) * LP#1387598 (ip2mac and inventory jobs crash with "IPv4 Address with more than 4 bytes" on some Cisco devices) Please refer to the release notes [3] for further information on upgrading from versions prior to 4.1. Happy NAVing everyone! Links ===== [1] https://launchpad.net/nav/4.1/4.1.2 [2] https://nav.uninett.no/wiki/nav_on_debian [3] https://nav.uninett.no/doc/4.1/release-notes.html -- Morten Brekkevold UNINETT AS

1 0

SNMP agent down
by Steve Kersley 13 Okt '14

13 Okt '14

I'm trying out the NAV virtual appliance (4.1.0), talking to 25 or so Cisco switches. It was working fine but after a few weeks, one of the switches is showing a problem, "SNMP agent down". The SNMP agent is not down. The switch is fine, its configuration hasn't changed. I can talk SNMP to it fine using the same credentials from other machines, and the NAV VM can talk SNMP fine to all of the other switches - all have the same SNMP credentials, and most are the same model of Cisco switch. (I was going to test from the NAV VM or watch the network traffic but the appliance doesn't come with the snmp tools or tcpdump, and is isolated from the Internet so not easily able to install them) Restarting the switch made no difference. I've had a rummage in the logs without seeing anything obvious. Any clues where to look to find why NAV is unable to talk SNMP to this one switch suddenly, after working fine for several weeks? Steve.

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Unmanaged switches
by pentium100＠gmail.com 13 Okt '14

13 Okt '14

Hello, Is there a way to insert an unmanaged switch to the network map? I use some of them in my network and would like to mark them on the map. Right now I have real network topology something like this: Router -- managed switch -- unmanaged switch -- devices Only one devices on the unmanaged switch is shown, even though multiple MACs are detected on the relevant port of the managed switch. Is there a way to mark that there is an unmanaged switch so that those devices are drawn on the map (with link speed/usage pulled from the devices if possible)?

2 1

Mobile routers in NAV
by Sigurd Mytting 26 Sep '14

26 Sep '14

Hi! I will be deploying about 100 mobile routers in cars the next six months, they will be offline whenever the car is moving and out of cellular coverage and when the car is not in use by our roadside people. These routers will be in a closed VPN/APN from our teleprovider so I have full access and controll whenever they are online. I'm wondering how to add these to NAV; I really don't care if they are down and preferably they should not show up as such under "Status". I would like statistics whenever they are online (not to mention the mac-adresses connected, possibly also a few other more specialized metrics like cell signal and so on). If it matters; we'll be using Cisco hardened 819 routers with an integrated WiFi access point. Anyone having any pointers to how I should manage them in NAV? Cheers, -Sigurd

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White spaces in graphs
by Sigurd Mytting 26 Sep '14

26 Sep '14

Hi, my graphs are getting white spaces and I'm trying to tune ipdevpolld: Running with no tuning at all about 80% of the graph is white on every port/device. If I restart ipdevpolld manually with -m most of my graphs are ok, occasionally I get white spaces, lets say around 1-2% of the last day. First of all, is there a way to run ipdevpolld with multiprocess without doing a manual start of the process? (I would expect something in /etc/default/nav.) Besides running multiprocess, what else is usefull? I've tried incereasing max-repetitions without much luck. I do have some timeout issues on satellite links so I've increased this to 4.5. I initially thought this was a graphite problem, but I've heavilly tuned my graphite-host and there seems to be no problems there, running carbon-relay and four carbon-cache and from what I can gather they are not hit hard at all. I have about 46k ports and 1500 devices, one dedicated server for graphite, one for postgresql and one for gui, ipdevpolld and other nav processes. Any hints? Cheers, -Sigurd

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