Secure forwarding of sFlow using ssh
This article describes a simple method of carrying sFlow datagrams over an encrypted ssh connection which can be useful in situations where a VPN is not available, for example, sending sFlow to an analyzer in the public cloud, or to an external consultant.
The diagram shows the elements of the solution. A collector on the site receives sFlow datagrams from the network devices and uses the sflow_fwd.py script to convert the datagrams into line delimited hexadecimal strings that are sent over an ssh connection to another instance of sflow_fwd.py running on the analyzer that converts the hexadecimal strings back to sFlow datagrams.
The following sflow_fwd.py Python script accomplishes the task:
#!/usr/bin/python
import socket
import sys
import argparse
parser = argparse.ArgumentParser(description='Serialize/deserialize sFlow')
parser.add_argument('-c', '--collector', default='')
parser.add_argument('-s', '--server')
parser.add_argument('-p', '--port', type=int, default=6343)
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Minipack Highlight Video from OCP Summit
Minipack is an open, modular super spine switch and is the most recent addition to the industry’s open modular switches. Paired with the flexibility and cost benefits of Cumulus Linux OS, the platform is ideal for deploying the next generation of high-capacity data center fabrics. Based on Broadcom’s StrataXGS Tomahawk III Switch Series, Minipack is more powerful than other chassis while occupying a smaller footprint.
Together, Cumulus Networks and Edgecore Networks are bringing the hyperscale that was once only available to the largest enterprises to an entirely new segment of the market with Minipack.
Listen to Brian Sullivan, Sr Director of Product Management at Cumulus Networks and Michael Lane, VP of Business Development at Edgecore Networks as they discuss the recently launched Minipack, open, modular switch.
Minipack Announcement Blog
Minipack Datasheet
Edgecore Networks Minipack launch Press Release
Please let me know if you have any comments or questions, or via Twitter at @CicconeScott.
Nutanix Kicks Off .Next With More Multi-Cloud
It also announced a product that integrates secondary storage with the Nutanix platform providing a...
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GDPR and Privacy
Outro Music:
Danger Storm Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/by/3.0/
Altiostar’s vRAN Push Attracts $114M From Rakuten, Qualcomm, Tech Machindra
According to IDC Research Director Rajesh Ghai, Altiostar has "obviously come to the market to...
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SAP HANA Expansion Bets Big on Public Cloud
“We are dancing again. You have seen our young management in development. I hope in the next six...
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Datanauts 164: When Is It Time To Walk Away?
Today's Datanauts episode gets personal, and a little emotional, as we discuss the pressures of life in IT, how those pressures get to you, how to keep going in a role, and when to move on. Our guest is Al Rasheed, who inspired this episode with a deeply personal blog post.
The post Datanauts 164: When Is It Time To Walk Away? appeared first on Packet Pushers.
Sprint Echoes Desperate Desire to Merge With T-Mobile
Sprint continued to play the victim and struck a defeated tone during its fiscal year 2018 fourth...
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Orange Boosts Security Credentials With $576M SecureLink Buy
SecureLink expands Orange’s cybersecurity reach across Europe and the Nordics.
Copyright 2019 SDxCentral, LLC; For non-commercial use
JNCP Emeritus – Automatic Enrollment
It seems as though Juniper Network Certification Program (JNCP) has been busy! As of today ( 6-May-2019 ) they tweeted …
The post JNCP Emeritus – Automatic Enrollment appeared first on Fryguy's Blog.
Real-Life Data Center Meltdown
A good friend of mine who prefers to stay A. Nonymous for obvious reasons sent me his “how I lost my data center to a broadcast storm” story. Enjoy!
Small-ish data center with several hundred racks. Row of racks supported by an end-of-row stack. Each stack with 2 x L2 EtherChannels, one EC to each of 2 core switches. The inter-switch link details don’t matter other than to highlight “sprawling L2 domains."
VLAN pruning was used to limit L2 scope, but a few VLANs went everywhere, including the management VLAN.
Read more ...The Mythical Eight Hour Workday
I haven’t tracked my time in many years. I’ve always felt the practice was a nuisance. Hey, I’m busy. I have a lot to do. I’m working on it. Don’t distract me with a time sheet. You know what I do, boss, right? Do I really have to document my daily doings?
Working for myself means I don’t have to perform such trivial tasks, and of course, I don’t. However, I have been wondering over the last month where my workday goes. Often, it feels like I park my tush in my office chair, begin working on tasks, and then the day is suddenly over.
Except that often, the day isn’t over. My workday ends when I’ve accomplished everything I need to for that day. Eight hours gone by? Whatever. Head down. Keep at it. Get everything done. The list won’t get shorter tomorrow. If I want to get paid, I have to get my work done.
The Final Countdown
With more days than I want falling into a pattern of working more hours than I’d like, I’ve gotten serious about determining what the problem is. Do I need to turn away projects? Should I hire someone to handle some Continue reading