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5 host network configurations for MLAG

Host network configurations for MultiChassis Link Aggregation (MLAG, also referred to as dual-attach or ‘high availability’) can vary from host OS to host OS, even amongst Linux distributions. The most recommended and robust method is to use Link Aggregation Control Protocol (LACP), which is supported on most host operating systems natively. Host bonds or bonding refers to a variety of bonding methods, but for the purpose of this article it will refer to LACP bonds. The terms etherchannel, link aggregation group (LAG), NIC teaming, port-channel and bond can be used interchangeably to refer to LACP depending on the vendor’s nomenclature. For the sake of simplicity, we will just call it bonds or bonding. This post will take your through the steps for host network configurations for MLAG across five different operating systems.

Why LACP? LACP is a IEEE standard that has been available since 2000 known as 802.3ad. This makes a highly interoperable standards approach to bonding that can work across many network vendors and host operating systems. LACP is superior to static configuration (also referred to bond-mode ON) because there is a control protocol keeping the bond active. This means failover is predictable and automatic. This is also Continue reading

Worth Reading: Hacking through the random number generator

Late Last Autumn, a Russian mathematician and programmer named Alex decided he’d had enough of running his eight-year-old business. Though his St. Petersburg firm was thriving, he’d grown weary of dealing with payroll, hiring, and management headaches. He pined for the days when he could devote himself solely to tinkering with code, his primary passion. The time had come for an exit strategy. —Brendon Koerner @ Wired

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Data center provider Equinix bets big on fuel cells

Data center provider Equinix is making a big bet on fuel cells to power its facilities by installing natural gas-powered fuel cells at 12 of its U.S. data centers. It’s part of a push for the firm to be 100% reliant on renewable fuels, and it could set an example for other data centers in power management.Equinix uses fuel cells developed by Bloom Energy, a leader in the data center energy market that has been profiled by 60 Minutes and whose giant “batteries” are installed at data centers run by eBay, Apple, NTT, CenturyLink and Verizon.To read this article in full or to leave a comment, please click here

Data center provider Equinix bets big on fuel cells

Data center provider Equinix is making a big bet on fuel cells to power its facilities by installing natural gas-powered fuel cells at 12 of its U.S. data centers. It’s part of a push for the firm to be 100% reliant on renewable fuels, and it could set an example for other data centers in power management.Equinix uses fuel cells developed by Bloom Energy, a leader in the data center energy market that has been profiled by 60 Minutes and whose giant “batteries” are installed at data centers run by eBay, Apple, NTT, CenturyLink and Verizon.To read this article in full or to leave a comment, please click here

Data center provider Equinix bets big on fuel cells

Data center provider Equinix is making a big bet on fuel cells to power its facilities by installing natural gas-powered fuel cells at 12 of its U.S. data centers. It’s part of a push for the firm to be 100% reliant on renewable fuels, and it could set an example for other data centers in power management.Equinix uses fuel cells developed by Bloom Energy, a leader in the data center energy market that has been profiled by 60 Minutes and whose giant “batteries” are installed at data centers run by eBay, Apple, NTT, CenturyLink and Verizon.To read this article in full or to leave a comment, please click here

Data center provider Equinix bets big on fuel cells

Data center provider Equinix is making a big bet on fuel cells to power its facilities by installing natural gas-powered fuel cells at 12 of its U.S. data centers. It’s part of a push for the firm to be 100% reliant on renewable fuels, and it could set an example for other data centers in power management.Equinix uses fuel cells developed by Bloom Energy, a leader in the data center energy market that has been profiled by 60 Minutes and whose giant “batteries” are installed at data centers run by eBay, Apple, NTT, CenturyLink and Verizon.To read this article in full or to leave a comment, please click here

BrandPost: Service Providers Drive New Managed SD-WAN Services

When SD-WAN first began capturing the media spotlight in 2015, many carriers initially viewed SD-WAN as a potential threat to their business.Fast forward two years and it’s become clear that SD-WAN provides a new way for service providers to address the changing connectivity needs of the enterprise. As enterprise applications migrate to the cloud, a new set of opportunities has emerged for advanced managed service offerings.Recognizing SD-WAN’s Many BenefitsWhile some of the initial messaging around SD-WAN focused on the potential cost savings of using broadband connectivity, there are in fact many other and more important drivers for SD-WAN that include:To read this article in full or to leave a comment, please click here

BrandPost: Service Providers Drive New Managed SD-WAN Services

When SD-WAN first began capturing the media spotlight in 2015, many carriers initially viewed SD-WAN as a potential threat to their business.Fast forward two years and it’s become clear that SD-WAN provides a new way for service providers to address the changing connectivity needs of the enterprise. As enterprise applications migrate to the cloud, a new set of opportunities has emerged for advanced managed service offerings.Recognizing SD-WAN’s Many BenefitsWhile some of the initial messaging around SD-WAN focused on the potential cost savings of using broadband connectivity, there are in fact many other and more important drivers for SD-WAN that include:To read this article in full or to leave a comment, please click here

Network vulnerability analysis 101: Free online training

If you’re wondering whether your network is vulnerable or not, you haven’t been paying attention – everybody’s is. This free online course shows what it takes to effectively conduct network vulnerability assessments and analysis that will help you keep the hackers at bay.To read this article in full or to leave a comment, please click here(Insider Story)

Network vulnerability analysis 101: Free online training

If you’re wondering whether your network is vulnerable or not, you haven’t been paying attention – everybody’s is. This free online course shows what it takes to effectively conduct network vulnerability assessments and analysis that will help you keep the hackers at bay.To read this article in full or to leave a comment, please click here(Insider Story)

Network vulnerability analysis 101: Free online training

If you’re wondering whether your network is vulnerable or not, you haven’t been paying attention – everybody’s is. This free online course shows what it takes to effectively conduct network vulnerability assessments and analysis that will help you keep the hackers at bay.To read this article in full or to leave a comment, please click here(Insider Story)

Network vulnerability analysis 101: Free online training

If you’re wondering whether your network is vulnerable or not, you haven’t been paying attention – everybody’s is. This free online course shows what it takes to effectively conduct network vulnerability assessments and analysis that will help you keep the hackers at bay.To read this article in full or to leave a comment, please click here(Insider Story)

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