Re: [USRP-users] Link going up and down periodically every 45 seconds on USRP N310

2020-09-03 Thread Venkatesh Sathyanarayanan via USRP-users
Hi Guys, Thanks a lot for the tips. I stopped the network manager and everything worked fine. I am also copying some notes I took as a part of learning from this bug. Since these emails are archived, I thought it might help someone else having this issue. Network Manager issues: The server ne

Re: [USRP-users] Link going up and down periodically every 45 seconds on USRP N310

2020-09-03 Thread Ron Economos via USRP-users
If that helps, you can disable individual interfaces from being managed. In /etc/NetworkManager/NetworkManager.conf add the lines: [keyfile] unmanaged-devices=interface-name:sfp0 Ron On 9/3/20 12:41, Venkatesh Sathyanarayanan via USRP-users wrote: Thanks a lot Michael and cedric for taking ti

Re: [USRP-users] Link going up and down periodically every 45 seconds on USRP N310

2020-09-03 Thread Venkatesh Sathyanarayanan via USRP-users
Thanks a lot Michael and cedric for taking time to answer my questions.. I will try to stop the network manager and see if that helps. Regards Venkatesh On Thursday, September 3, 2020, Michael Dickens wrote: > In my experience, this happens when the networking isn't stable, which can > be for a

Re: [USRP-users] Link going up and down periodically every 45 seconds on USRP N310

2020-09-03 Thread Michael Dickens via USRP-users
In my experience, this happens when the networking isn't stable, which can be for all sorts of reasons: * connectors / cables are flaky; * host SW configuration isn't quite correct; * actual NIC has issues, HW or FW / configuration; * USRP NIC has issues ... very rare, but it can happen; * USR

Re: [USRP-users] Link going up and down periodically every 45 seconds on USRP N310

2020-09-03 Thread Cedric Roux via USRP-users
maybe network manager (if you have that thing running) on the computer doing funny things with the interface? I had this issue with some 4g dongles in the past. On 2020-09-03 01:01, Venkatesh Sathyanarayanan via USRP-users wrote: Hi, Small correction: *Questions:* I notice that the test stops

Re: [USRP-users] Link going up and down periodically every 45 seconds on USRP N310

2020-09-02 Thread Marcus D. Leech via USRP-users
On 09/02/2020 07:01 PM, Venkatesh Sathyanarayanan via USRP-users wrote: Hi, Small correction: *Questions:* I notice that the test stops when the link goes down every 45 seconds. This happens for all types of tests(with and without GUI). Kindly let me know how to debug this - i.e. why the link

Re: [USRP-users] Link going up and down periodically every 45 seconds on USRP N310

2020-09-02 Thread Venkatesh Sathyanarayanan via USRP-users
Hi, Small correction: *Questions:* I notice that the test stops when the link goes down every 45 seconds. This happens for all types of tests(with and without GUI). Kindly let me know how to debug this - i.e. why the link goes down every 45 seconds? Regards Venkatesh On Wed, Sep 2, 2020 at 3:10

[USRP-users] Link going up and down periodically every 45 seconds on USRP N310

2020-09-02 Thread Venkatesh Sathyanarayanan via USRP-users
Hi, *Setup details:* I am using an USRP N310 and I have the host computer connected to the USRP via SFP cable. I additionally have a serial connection between the two and have a screen session running. *Observation:* On the screen session, I noticed the following messages: [ 2151.041079] nixge 4