is hsflow eos 2.0.9 working?

[Wong Steven]

Hi there, I downloaded the package on 7150 switch in our lab and found it can't be installed. Is the downloadable package standard or expects end user to modify it a bit before installation?

http://blog.sflow.com/2017/03/arista-eos-telemetry.html?utm_source=feedburner&utm_medium=email&utm_campaign=Feed%3A+Sflow+%28sFlow%29

Thanks,

Steven

[Peter Phaal]

The package should work without modification on a recent version of EOS (it was tested on vEOS 4.18.0F):

What version of EOS are you running?

How far did you get through the instructions? 

Which command failed? 

Were there any error messages?

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[Wong Steven]

The Arista 7150S switch is running 4.16.10M with the following commands issued and the error returns after the 2nd commands.

shkhe92#sh ver

Arista DCS-7150S-52-CL-R

Hardware version:    02.02

Serial number:       JPE14451763

System MAC address:  001c.73b4.7be5

Software image version: 4.16.10M

Architecture:           i386

Internal build version: 4.16.10M-4126857.41610M

Internal build ID:      f8cc0357-f964-4835-ad50-7debf2643f99

Uptime:                 1 week, 0 days, 0 hours and 30 minutes

Total memory:           3978076 kB

Free memory:            492804 kB

shkhe92#bash

Arista Networks EOS shell

[swong@shkhe92 ~]$ exit

logout

shkhe92#copy https://github.com/sflow/host-sflow/releases/download/v2.0.9-1/hsflowd-eos-2.0.9-1.x86_64.rpm extension:

Copy completed successfully.

shkhe92#extension hsflowd-eos-2.0.9-1.x86_64.rpm

% Error installing hsflowd-eos-2.0.9-1.x86_64.rpm: RPM install error: Transaction failed: package hsflowd-2.0.9-1.x86_64 is intended for a x86_64 architecture

shkhe92#

[Neil McKee]

Thanks for pointing that out!   The 32-bit rpm is available for download now:

https://github.com/sflow/host-sflow/releases/download/v2.0.9-1/hsflowd-eos-2.0.9-1.i686.rpm

And the installation steps should be the same:

https://github.com/sflow/host-sflow/blob/master/INSTALL.EOS

[Wong Steven]

Thanks Neil.

I can download the rpm now. However the installation gave me the errors as follow.

shkhe91#bash sudo systemctl start hsflowd.service

sudo: systemctl: command not found

'sudo systemctl start hsflowd.service' returned error code:1

I guessed systemctl has another name on Arista and then I tried the following.

shkhe91#bash sudo sysctl start hsflowd.service

error: "start" is an unknown key

error: "hsflowd.service" is an unknown key

'sudo sysctl start hsflowd.service' returned error code:255

shkhe91#

[Peter Phaal]

I believe that versions of EOS use initd. Try starting the daemon using the command:

bash sudo service hsflowd start

[Neil McKee]

Actually you might have to use "chkconfig" to register the service first,  so the commands would be:

sudo chkconfig --add hsflowd

sudo service hsflowd start

[Wong Steven]

Thanks Peter.

The suggestion works.

shkhe91#bash sudo service hsflowd start

shkhe91#                                                   [  OK  ]

[Wong Steven]

Thanks Neil for reminding me this.

I get it in the service list now.

Will look up the sflow for the details of the switch :)

[Wong Steven]

Hi Neil,

Does it mean I don't need the event-handler as said in the sFlow blog page because the service is registered now?

Thanks,

Steven

[Peter Phaal]

I believe you still need the on-boot event-event handler to start the daemon since changes to the root file system don't persist across a reboot:

action bash sudo service hsflowd start