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1373 discussions

NAV 5.5.2: ipdevpoll will not start
by Ingeborg Hellemo 10 Nov '22

10 Nov '22

FreeBSD 12.3 python38-3.8.15 The error is not specific til 5.5.2 since I am upgrading from NAV 5.2.1. ipdevpoll will not start: Traceback (most recent call last): File "/usr/local/bin/ipdevpolld", line 19, in <module> from nav.ipdevpoll.epollreactor2 import install File "/usr/local/lib/python3.8/site-packages/nav/ipdevpoll/epollreactor2.py", line 24, in <module> from twisted.internet import epollreactor File "/usr/local/lib/python3.8/site-packages/twisted/internet/epollreactor.py ", line 16, in <module> from select import epoll, EPOLLHUP, EPOLLERR, EPOLLIN, EPOLLOUT ImportError: cannot import name 'epoll' from 'select' (/usr/local/lib/python3.8/lib-dynload/select.cpython-38.so) Am I missing a library or a module? This is a bit urgent since I really don't want to downgrade... --Ingeborg -- Ingeborg Østrem Hellemo -- ingeborg.hellemo(a)uit.no Dep. of Information Technology --- Univ. of Tromsø

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Announcement: NAV 5.5.2 released
by Morten Brekkevold 10 Nov '22

10 Nov '22

The second maintenance release of the 5.5 series of NAV is now out, fixing a couple of serious collection and trap processing issues! The source code is available for download at GitHub [1]. New packages for Debian 10 (Buster) and 11 (Bullseye) are available in our APT repository [2] as usual. Please be extra aware of config file changes. Look out for `*.dpkg-dist` files in `/etc/nav` and make sure to update your running config. The virtual appliance will be updated, but currently, the automated GitHub workflows aren't working due to changes at GitHub. Fixes ===== - Fix serious collection breakdown in ipdevpoll by re-generating a valid Python representation of CISCO-ENHANCED-MEMPOOL-MIB (#2494, #2495) - Fix broken trap processing in snmptrapd (#2497, #2498) Release notes ============= We always advise you to have a look at NAV's accompanying release notes [3] before upgrading. Happy NAVing everyone! Links ===== [1] https://github.com/Uninett/nav/releases [2] https://nav.uninett.no/install-instructions/#debian [3] https://nav.readthedocs.io/en/latest/release-notes.html#nav-5-5 -- Sincerely, Morten Brekkevold Sikt – Norwegian Agency for Shared Services in Education and Research

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Announcement: NAV 5.5.1 released
by Morten Brekkevold 09 Nov '22

09 Nov '22

The first maintenance release of the 5.5 series of NAV is now out! The source code is available for download at GitHub [1]. New packages for Debian 10 (Buster) and 11 (Bullseye) are available in our APT repository [2] as usual. Please be extra aware of config file changes. Look out for `*.dpkg-dist` files in `/etc/nav` and make sure to update your running config. The virtual appliance will be updated, but currently, the automated GitHub workflows aren't working due to changes at GitHub. Fixes ===== - Delete and ignore module devices with fake serial number `BUILTIN`, as reported by Juniper equipment, in order to avoid spamming with `device[SFH]wUpgrade` alerts (#2491, #2492) Release notes ============= We always advise you to have a look at NAV's accompanying release notes [3] before upgrading. This maintenance release was made to fix an ugly issue for those who monitor Juniper equipment using NAV (of which there are quite a few). We've added the following note: Juniper ``BUILTIN`` devices --------------------------- Juniper equipment tends to report soldered-on linecards as field-replaceable modules through their implementation of ``ENTITY-MIB::entPhysicalTable``. These modules are also all reported as having the same serial number: ``BUILTIN``. NAV versions prior to 5.5.1 did not safeguard against this Juniper bug. This would cause NAV installations that monitor Juniper equipment to have a single device with the ``BUILTIN`` serial number, which was shared between all monitored Juniper netboxes. The attributes of ``BUILTIN`` devices (such as software or firmware revision) would be different across most Juniper netboxes, causing them to compete for updates of the attributes in the NAV database. This went under the radar until NAV 5.5.0 re-introduced the ``device*Upgrade`` set of alerts. Now, every time a Juniper netbox is polleed and the shared ``BUILTIN`` device's software/hardware/firmware revision was changed, an alert would be generated. For those unfortunate enough to subscribe to all NAV alerts, this would lead to a storm of alerts. Subsequently, NAV 5.5.1 deletes this shared ``BUILTIN`` device from the database, and adds functionality to ignore any module or entity that reports this as its serial number. Happy NAVing everyone! Links ===== [1] https://github.com/Uninett/nav/releases [2] https://nav.uninett.no/install-instructions/#debian [3] https://nav.readthedocs.io/en/latest/release-notes.html#nav-5-5 -- Sincerely, Morten Brekkevold Sikt – Norwegian Agency for Shared Services in Education and Research

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Announcement: NAV 5.5.0 released
by Morten Brekkevold 04 Nov '22

04 Nov '22

The initial feature release of the 5.5 series of NAV is now out! The source code is available for download at GitHub [1]. New packages for Debian 10 (Buster) and 11 (Bullseye) are available in our APT repository [2] as usual. Please be extra aware of config file changes. Look out for `*.dpkg-dist` files in `/etc/nav` and make sure to update your running config. The virtual appliance will be updated automatically. Changed ======= - Bump lxml from 4.6.5 to 4.9.1 in /tests (#2443) - Links and documented references to the NAV mailing lists have changed to the lister.sikt.no domain. Added ===== - Add link to #nav irc channel on Libera.Chat to README file (#2475) - Add mac_addresses attribute to /netbox/ API endpoint (#2487, #2490) - Add ability to filter by alert severity in the status tool (#2467) - Support for fetching ARP cache entries from all Arista VRF instances (#2262, #2454)) - Link aggregation information added to NAV API (#1765, #2440) - Support fetching memory stats from CISCO-ENHANCED-MEMPOOL-MIB (#2236, #2439) - Added a flag to navcheckservice that shows all available handler plugins (#2378, #2437) - Post deviceHwUpgrade/deviceSwUpgrade/deviceFwUpgrade events when changes are detected to devices' hardware, software or firmware revisions (#2393, #2413) - Call a cleanup() method for individual container objects after ipdevpoll save stage (#2421) - Added Device methods to resolve and return related objects/entities (chassis, modules, fans, power supplied) and extended device descriptions (#2428) Fixed ===== - Avoid potential resource leaks by properly closing configuration files after reading them (#2451) - Geomap "link to this configuration" now actually opens the correct location at the correct zoom level (#2412, #2488) - snmptrapd can now identify an SNMP agent from any of its interface addresses (#2387, #2461) - PortAdmin now ignores incorrectly configured VLAN tags (tagged as NA) on Juniper switches, instead of crashing (#2452, #2453) - Fix potential ipdevpoll crashes due to database fetches in wrong thread (#2478, #2480) - Handle Graphite connection issues gracefully in ranked statistics page (#2459) - Handle Graphite connection issues gracefully in device group detail page (#2345, #2434) - Removed needless carbon data chunking from activeipcollector (#1696, #2462) - Evaluate 0.0 as a valid numeric metric value during threshold rule evaluations (#2447) - Updated dead links in Geomap documentation (#2419) - Link from IPAM to reserve prefixed in SeedDB now works again (#2410, #2422) - Improved inefficient database queries in Arnold (#2425) - Updated tox examples in hacking documentation (#2427, #2430) - Fixed an AttributeError crash bug in the naventity command line program (#2433, #2444) Release notes ============= We always advise you to have a look at NAV's accompanying release notes [3] before upgrading. Happy NAVing everyone! Links ===== [1] https://github.com/Uninett/nav/releases [2] https://nav.uninett.no/install-instructions/#debian [3] https://nav.readthedocs.io/en/latest/release-notes.html#nav-5-5 -- Sincerely, Morten Brekkevold Sikt – Norwegian Agency for Shared Services in Education and Research

1 0

Nav - LLDP Missing on some FS model
by Marco Valerio Bifolco 03 Nov '22

03 Nov '22

Hello, First of all thanks for your job, we really appreciate nav solution. We noticed that some of our FS.COM switch, (we got, cisco, hp, dlink, fs) does not work as expected. Nav doesn't get LLDP information, and for this it is wrongly populating the net map. The FS model working properly are s3900, s5850; But not so lucky with s2800, s1400, s3400 . It's possible to force nav to choose a neighbor from cam candidate? Or set it manually? Or is it possible to make these switch works with nav? Maybe passing mib somehow? Many Thanks in advance Best Regards [cid:image001.png@01D8D356.6C245C00] Marco V. Bifolco System Engineer Office (+39) 0694320122 | Mobile (+39) 3519666252 marco.bifolco(a)sferanet.net<mailto:marco.bifolco@sferanet.net> assistenza(a)sferanet.net<mailto:assistenza@sferanet.net> [cid:image002.png@01D8D356.6C245C00] sferanet.net<http://www.sferanet.net/>

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User default denied access to /tags/tagMultiSeries
by cthompson＠egf.mn 28 Sep '22

28 Sep '22

I have the Apache error.log filling with these message (had a full disk this morning), since upgrading from from 5.2 to 5.4 on Debian 10.13. This installation was first started in NAV 3.x era (2012) and continually upgraded and moved to different hardware a couple of times, so it is very possible there is junk in the configs that is no longer relevant [Tue Sep 27 08:48:55.649027 2022] [wsgi:error] [pid 541:tid 140035050575616] [remote 127.0.0.1:35090] [Tue Sep 27 08:48:55 2022] [WARNING] [pid=541 nav.web.auth] User default denied access to /tags/tagMultiSeries

2 1

NAV netmap
by Erik 09 Sep '22

09 Sep '22

Hi, Since upgrade to NAV5 my layer 3 view in Netmap is crashing? "Error loading graph, please reload the page" Cheers, Erik

2 1

NAV 5.0.0
by Erik 09 Sep '22

09 Sep '22

Hi, My partner in crime on this tool noticed that if he selects Layer 3 in Netmap the graph crashed with error loading page and has to refresh the page to get anything working again? Cheers Erik

2 1

portadmin at CISCO switch is not working
by klaus.pantleon＠voith.com 29 Aug '22

29 Aug '22

Hello, I have a problem with portadmin and CISCO switches. The portadmin is not showing any changable entries when I connect nav-portadmin to a cisco switch. Other brands like netgear, tp-link, hirschmann are working good. Sorry If I post the question to the wrong place. Please help me to find the right place to post. Best Regards, Klaus

3 3

nav 5.3 - alertengine not sending alert / blacklisted and connection timeout (error 110)
by Andrea Verni 26 Aug '22

26 Aug '22

Hi, I'm running NAV 5.3 and have issue with alertengine and email notifications. Email seems to remain stuck in the queue until I force a reboot of the VM. The error message I see in /var/log/nav/alertengine.log is: 2022-03-08 08:35:10,707 [WARNING] [nav.alertengine.alertaddress.send] Not sending alert 5824 ****** as handler Email is blacklisted: [Errno 110] Connection timed out 2022-03-08 08:35:10,716 [WARNING] [nav.alertengine.alertaddress.send] Not sending alert 5825 to ****** as handler Email is blacklisted: [Errno 110] Connection timed out 2022-03-08 08:35:10,720 [INFO] [nav.alertengine.check_alerts] 0 new alert(s), sent 0 alert(s), 910 queued alert(s), 0 alert(s) deleted, 910 failed send(s), 0 ignored However, by running a tcpdump I do not see any outbound/inbound connection to the configured email server. After the reboot it seems messages are going through (and I do see outbound connections to the configured mail server) 2022-03-08 08:39:38,277 [INFO] [nav.alertengine.alertaddress.send] alert 5367 sent by Email to ****** due to immediately subscription 2 2022-03-08 08:39:38,500 [INFO] [nav.alertengine.alertaddress.send] alert 5320 sent by Email to ****** due to immediately subscription 2 2022-03-08 08:41:34,963 [INFO] [nav.alertengine.check_alerts] 0 new alert(s), sent 910 alert(s), 0 queued alert(s), 0 alert(s) deleted, 0 failed send(s), 0 ignored I'm running Debian 10 and not have iptables/fail2ban on it. Any help? Thanks! Andrea

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