Will MLAG ever be available on the S Series?
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‎08-16-2016 07:14 AM
Is there any plan to make MLAG or a similar technology available for S Series devices in a future firmware release?
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‎08-16-2016 09:20 AM
hello,
S-Series support VSB which will also allow dual homed switches/server. The goal from MLAG is to have dual homed devices attached via LACP or static LAGs. As HAU updates will allow to make rolling software updates, no plans are to add MLAG in S-Series.
S-Series support VSB which will also allow dual homed switches/server. The goal from MLAG is to have dual homed devices attached via LACP or static LAGs. As HAU updates will allow to make rolling software updates, no plans are to add MLAG in S-Series.
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‎08-16-2016 09:20 AM
Jon,
No. The problem is, some software upgrades will always require a full system restart. Usually these are for major releases or functionality changes. Usually bug fixes within a release, HAU works fine. I have used it several times with LAGs across two bonded S4 cores. Never miss a packet. We are using 670V's at the ToR with MLAG back to each core.
No. The problem is, some software upgrades will always require a full system restart. Usually these are for major releases or functionality changes. Usually bug fixes within a release, HAU works fine. I have used it several times with LAGs across two bonded S4 cores. Never miss a packet. We are using 670V's at the ToR with MLAG back to each core.
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‎08-16-2016 09:20 AM
Thanks for the reply. Is there a firmware version after which we should always be able to use HAU?
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‎08-16-2016 09:20 AM
Jon, yes Extreme employee, we will check my Profile,
The VSB is an full distributed system and if an system task get in trouble, only that module will crash. The failover on the control plane allow to get still forwarding on the system. It is correct that HAU updates in the past was often not possible as Extreme Networks implemented Major Key Features which defines an different memory management and cause the full reset from the system. As we have confirmed from Product Management we will support HAU patches and releases for longer as before. This will ensure HAU can be used.
Product Management also clear define that MLAG is not an option for S-Series as i stated before.
The VSB is an full distributed system and if an system task get in trouble, only that module will crash. The failover on the control plane allow to get still forwarding on the system. It is correct that HAU updates in the past was often not possible as Extreme Networks implemented Major Key Features which defines an different memory management and cause the full reset from the system. As we have confirmed from Product Management we will support HAU patches and releases for longer as before. This will ensure HAU can be used.
Product Management also clear define that MLAG is not an option for S-Series as i stated before.
