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1384 discussions

Announcement: NAV 4.9.8 released
by Morten Brekkevold 22 Aug '19

22 Aug '19

The eighth maintenance release of the 4.9 series of NAV is now out! The source code is available for download at GitHub [1]. New packages for Debian 9/10 (Stretch/Buster) are available in our APT repository [2] as usual. The Debian packages for NAV 4.9 have been rebuilt using dh-virtualenv, which means that most of the Python dependencies are now embedded into the packages themselves. If you have previously added a priority apt pin for packages from apt.uninett.no, you may now remove it, as there are no longer any other packages needed from that repository to run NAV. Please also 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 is currently being updated at the time of this writing, and will be uploaded soon. Changes ======= Fixed GitHub issues in this release: * #1753 (SNMP-less servers are no longer connected in the NAV topology) * #1941 (Interface information pop-ups in the status widget tends to hang) * #1942 (get_mib() should be able to load MIB modules from outside the nav.smidumps package) * #1962 (Environment rack widget edit mode crashes if there are racks in rooms with non-ascii characters in their name) * #1964 (smsd crashes when discarding non-dispatchable messages with non-ASCII chars (or for users with non-ASCII chars in their name)) * #1972 (Ensure PostgreSQL unique constraints are consistently named) * #1973 (Stop explicitly installing pl/pgSQL during db init.) * #1975 (Unhandled ValueError in eventengine when snmptrapd posts invalid linkState events) * #1976 (Properly display sensor data scale on sensor details page.) * #1977 (Use Juniper 802.1X VLAN workaround in default configuration) Please see the release notes [3] for more details. Happy NAVing everyone! Links ===== [1] https://github.com/UNINETT/nav/releases [2] https://nav.uninett.no/install-instructions/#debian [3] https://nav.uninett.no/doc/latest/release-notes.html#nav-4-9 -- Sincerely, Morten Brekkevold Uninett

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Changing VLAN / ports on Juniper EX
by Jean Benoit 20 Aug '19

20 Aug '19

Hello, We are looking for a solution to manage local networks. Our goal is to recommend a tool to local net admins. Most of our switches are Juniper EX, as cisco and HP switches are phased out. Our current tool, Netmagis, is slow to evolve on the network configuration side (we have not enough time to develop it). The network admin in one of our Faculty is currently testing Nav. He seems satisfied so far, except for one thing : the impossibility to set a VLAN on a port on Juniper through the "Port Admin" feature. Do you have any plan to allow VLAN modification on Juniper ? Thanks for your answer. -- Jean

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Announcement: NAV 4.9.7 packaged for Debian 10 (Buster)
by Morten Brekkevold 01 Aug '19

01 Aug '19

Hi everyone, this is a two-fold announcement: 1. We have, as of today, published a NAV 4.9.7 package for Debian 10 (Buster) in our regular APT repository [1]. 2. As previously mentioned, we are now discontinuing support for the Debian 8 (Jessie) line of NAV packages. There will be no new updates for this outdated platform from our side. There is, however, one caveat to using the NAV package on Debian 10: If you want to serve both the NAV web UI and Graphite-web from the same server, you cannot achieve this on Debian 10 using the regular Apache + mod_wsgi method for both applications. Debian 10 ships with a graphite-web package that runs on Python 3, while NAV 4.9 does not support Python 3 (we expect the next feature release to run on Python 3). mod_wsgi cannot be made to serve both Python versions on the same Apache server - you will have to select a Python-version specific mod_wsgi package. For this reason, the virtual appliance has not yet been updated to Debian 10. For our production deployments, we serve up NAV and Graphite-web using a uWSGI application server, and use Apache + *mod_uwsgi* as a front to provide TLS and serving of static file resources. This works fine on Debian 10, as each uWSGI application instance is an independent process. I suspect I'll be working on updating the appliance based on our production deployment configs of uWSGI. Hopefully, we can hopefully provide some config examples soon, for those who are interested in building their own deployments (of course, if you are already deploying Graphite on a separate server, this is a non-issue for you). [1] https://nav.uninett.no/install-instructions/#debian -- mvh Morten Brekkevold Uninett

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New Install Issues
by Brian Mock 31 Jul '19

31 Jul '19

Hello, We are currently trying to set up a new installation of NAV (4.9.7). I have imported all of our devices and locations but am experiencing some issues. Some of our devices have interfaces that are showing wildly inaccurate data. It's mostly on any ten gig interfaces but also on a few gig interfaces but they're showing up to 15Tbps of traffic when in reality they're pushing far less than that and the graphs are very broken (see attached screenshots). Most ports on the same devices report properly so it's just a few isolated interfaces. The other issue we're running into is devices not showing linked to their neighbors. I tried working through the troubleshooting steps in the docs but the devices don't show up under unrecognized neighbors. On the devices however they show up in the ARP/CAM tables. We do have some links that don't support CDP but NAV should still be building these neighbor relationships through the ARP/CAM tables correct? Thanks for any assistance that you can provide! Regards, Brian Mock Unwired Broadband

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Getting the ARP/Neighbors from Cisco ASA to NAV?
by Martin Burman 24 Jul '19

24 Jul '19

Hi We successfully use NAV for keeping track of devices but more often to find out which switchport a specific computer is attached to, either by searching for an IP address or a MAC address and it works great. We also have a lot of users directly attached to Cisco ASAs and these boxes does not give away their ARP/Neighbor cache via SNMP. The obvious first question is: has anyone successfully solved this already? Otherwise a "sh arp/sh ipv6 neigh" gives a parseable output and I assume this is the way to go via Expect or similar: Asa> sh ipv6 neighbor IPv6 Address Age Link-layer Addr State Interface fe80::6db1:8675:5895:8db1 423 001d.d8b7.1ce3 STALE ifname Is there a safe way to import this kind of data to NAV? Or any documentation hints that kicks me into the appropriate direction? I assume there are logic that updates existing mac addresses and creating new ones when needed and such and I don't want to ruin our installation. The second idea is to run some homebrewed snmp server that runs the "sh arp" in the back end and formats the output like a L3 switch would do, if that's the suggested way to go I would appreciate a decent oneliner with snmpwalk or similar that runs against a Cisco L3 switch (6500 or 6800) so I can compare the output I need to create. Thanks in advance and thanks a lot for a great piece of software! Martin Burman ---------- Göteborgs universitet IT-enheten +46 766-18 5982

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NAV and Juniper virtual chassis
by Djuro Garvanovic 24 Jul '19

24 Jul '19

Hi I recently stumbled on your product while I was searching for a good network monitoring tool. So I started a POC with Debian package but got some problems with Graphite, and had to reverted to the appliance. Now that its running, I’m impressed over functions built in, especially the network auto mapping. But there is one thing I don’t know how to handle. We are mainly using Juniper EX4200, EX 3200 and EX2200 switches. Our Juniper EX4200 switches are set up as virtual chassis (stacked switches), and they all have the same ip address. The problem is that the switches, although they are in the same chassis, they are placed in different “rooms” a ring around our campus acting as distribution switches. Se config: dgc@MMACOR01> show virtual-chassis Virtual Chassis ID: b0c6.9a6f.7500 Virtual Chassis Mode: Enabled Mstr Mixed Neighbor List Member ID Status Serial No Model prio Role Mode ID Interface 0 (FPC 0) Prsnt BM0209493141 ex4200-24t 250 Master* N 1 vcp-0 7 vcp-255/1/1 1 vcp-1 1 (FPC 1) Prsnt BM0209505602 ex4200-24t 140 Linecard N 0 vcp-0 4 vcp-255/1/1 0 vcp-1 2 (FPC 2) Prsnt BR0218490227 ex4200-24f 130 Linecard N 3 vcp-0 5 vcp-255/1/2 3 vcp-1 3 (FPC 3) Prsnt BR0218490131 ex4200-24f 120 Linecard N 2 vcp-0 9 vcp-255/1/2 2 vcp-1 4 (FPC 4) Prsnt BM0209493198 ex4200-24t 210 Backup N 5 vcp-0 1 vcp-255/1/1 5 vcp-1 5 (FPC 5) Prsnt BM0209485774 ex4200-24t 200 Linecard N 4 vcp-0 2 vcp-255/1/1 4 vcp-1 6 (FPC 6) Prsnt BR0209485019 ex4200-24f 190 Linecard N 7 vcp-0 8 vcp-255/1/1 7 vcp-1 7 (FPC 7) Prsnt BR0209484982 ex4200-24f 180 Linecard N 6 vcp-0 0 vcp-255/1/1 6 vcp-1 8 (FPC 8) Prsnt BR0213155003 ex4200-24f 170 Linecard N 9 vcp-0 6 vcp-255/1/1 9 vcp-1 9 (FPC 9) Prsnt BR0214421949 ex4200-24f 160 Linecard N 8 vcp-0 3 vcp-255/1/1 8 vcp-1 Member ID for next new member: None {master:0} dgc@MMACOR01> And picture [cid:image002.png@01D52A71.D4537D10] It looks like I only can add a ip address once Is there a way to add the other MMACOR01 switches so I can see them, even if they have the same IP? Vänliga hälsningar / Best regards Djuro Garvanovic IT Infrastruktur Nätverk och kommunikation +46 40 323710 djuro.garvanovic(a)pagen.se<mailto:dgc@pagen.se> http://www.linkedin.com/in/djuro Pågen AB, Box 8143, SE-200 41 Malmö Besöksadress: Kopparbergsgatan 19, Grind G5 www.pagen.se<http://www.pagen.se/> www.facebook.com/pagensverige<http://www.facebook.com/pagensverige> [cid:image001.png@01D0B4AF.B24D9610]

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Announcement: NAV 4.9.7 released
by Morten Brekkevold 07 Jun '19

07 Jun '19

The seventh maintenance release of the 4.9 series of NAV is now out! The source code is available for download at GitHub [1]. New packages for Debian 8/9 (Jessie/Stretch) are available in our APT repository [2] as usual. Please be advised that the Debian 8 package will be discontinued soon The Debian packages for NAV 4.9 have been rebuilt using dh-virtualenv, which means that most of the Python dependencies are now embedded into the packages themselves. If you have previously added a priority apt pin for packages from apt.uninett.no, you may now remove it, as there are no longer any other packages needed from that repository to run NAV. Please also 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 is currently being updated at the time of this writing, and will be uploaded soon. Changes ======= Fixed GitHub issues in this release: * #1882 (Invalid VLANs are generated from Juniper switches) * #1920 (Provide a hook for adding extra information in the What-If tab in the IP Device Info page) * #1946 (Vlans are categorized as linknets on Cisco Nexus with HSRP) * #1953 (Adding new public filter in Alert Profiles fails) * #1958 (NAV creates Graphite metrics with illegal characters in name) * #1960 (Add option to control user administrator privileges from LDAP) Please see the release notes [3] for more details. Happy NAVing everyone! Links ===== [1] https://github.com/UNINETT/nav/releases [2] https://nav.uninett.no/install-instructions/#debian [3] https://nav.uninett.no/doc/latest/release-notes.html#nav-4-9 -- mvh Morten Brekkevold Uninett

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Announcement: NAV 4.9.6 released
by Morten Brekkevold 23 Mai '19

23 Mai '19

The sixth maintenance release of the 4.9 series of NAV is now out! The source code is available for download at GitHub [1]. New packages for Debian 8/9 (Jessie/Stretch) are available in our APT repository [2] as usual. The Debian packages for NAV 4.9 have been rebuilt using dh-virtualenv, which means that most of the Python dependencies are now embedded into the packages themselves. If you have previously added a priority apt pin for packages from apt.uninett.no, you may now remove it, as there are no longer any other packages needed from that repository to run NAV. Please also 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 is currently being updated at the time of this writing, and will be uploaded soon. Changes ======= Fixed GitHub issues in this release: * #1782 (ipdevpoll snmpcheck algorithm no longer works as expected) + #1952 ((snmpcheck) Store up/down state in NetboxInfo, so we can properly sen…) * #1931 (Support for HPE Metered PDUs) + #1933 (Add support for HPE metered PDUs) * #1935 (The VLAN dropdowns in PortAdmin needs to show the description in addition to the id, if any) + #1955 (Show net ident for vlans in the portadmin vlan dropdown box) * #1944 (Sensor links in Environment Rack navlet does not work) * #1948 (Verify LDAP entitlements) Please see the release notes [3] for more details. Happy NAVing everyone! Links ===== [1] https://github.com/UNINETT/nav/releases [2] https://nav.uninett.no/install-instructions/#debian [3] https://nav.uninett.no/doc/latest/release-notes.html#nav-4-9 -- mvh Morten Brekkevold Uninett

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Power supply unknown
by Ingeborg Hellemo 14 Mai '19

14 Mai '19

NAV 4.8.6 We have a Cisco catalyst switch with a broken power supply. After changing the power supply NAV shows Status "Unknown" in the /#!sensors page. The ipdevpoll jobs runs without errors. Where shall I look? --Ingeborg -- Ingeborg Østrem Hellemo -- ingeborg.hellemo(a)uit.no Dep. of Information Technology --- Univ. of Tromsø

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Announcement: NAV 4.9.5 released
by Morten Brekkevold 02 Mai '19

02 Mai '19

The fifth maintenance release of the 4.9 series of NAV is now out! The source code is available for download at GitHub [1]. New packages for Debian 8/9 (Jessie/Stretch) are available in our APT repository [2] as usual. The Debian packages for NAV 4.9 have been rebuilt using dh-virtualenv, which means that most of the Python dependencies are now embedded into the packages themselves. If you have previously added a priority apt pin for packages from apt.uninett.no, you may now remove it, as there are no longer any other packages needed from that repository to run NAV. Please also 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 is currently being updated at the time of this writing, and will be uploaded soon. Changes ======= Fixed GitHub issues in this release: * #1890 (Temperature gauges do not render if multiple threshold rules apply to it) + #1921 (Handle arbitrary number of thresholds for a given sensor) * #1902 (Sensor widgets should hyperlink to sensor's page view, not IP Device's page view) * #1903 (Topology missing for LLDP-enabled Alcatel switches) * #1906 ("Cisco chassis/module serial numbers decoded" report crashes when filtering) * #1907 (servicemon DnsChecker fails when DNS server doesn't have a matching record) * #1916 (UninettMailDispatcher does not work under NAV 4.9) * #1917 (snmptrapd needs to log more details about received traps) * #1923 (ENTITY-MIB implementation can no longer resolve physical device classes properly) + #1924 (Support cross-MIB type definitions in MibRetrievers) Please see the release notes [3] for more details. Happy NAVing everyone! Links ===== [1] https://github.com/UNINETT/nav/releases [2] https://nav.uninett.no/install-instructions/#debian [3] https://nav.uninett.no/doc/latest/release-notes.html#nav-4-9 -- mvh Morten Brekkevold Uninett

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