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March 23rd, 2021 11:00
Isilon SBR and static routes
Which one is prioritized with OneFS 8.2: static routes or source-based routing (SBR) rules?
There seems to be conflicting information in Dell documentation. OneFS help and Isilon OneFS External Network Connectivity Guide state that "source-based routing rules are prioritized over the static route" and "SBR bypasses the routing table and static routes". However, KB article 20056 states that "static routes are prioritized over source-based routing rules".
Which statement is true?
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Peter_Sero
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March 23rd, 2021 13:00
Well, from a documention perspective: the KB article aims to clarify (if not correct) the OneFS 8.1. Guide's content. The KB was then incorporated into the newer Guide Dell EMC PowerScale: Network Design Considerations which has been actively maintained since then. As for the online help, it seems to be created mainly via copy and paste from version to version, with less involvement from the knowing technical writers.
Just my 2c
-- Peter
jccl2
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April 13th, 2021 07:00
On Dell EMC PowerScale: Network Design Considerations | H16463.19 @pag55
"Utilizing SBR does not negate the requirement for a default gateway, as SBR in effect overrides the default gateway, but not static routes.
Static routes are an option when the cluster originates the traffic, and the route is not accessible via
the default gateway. As mentioned above, static routes are prioritized over source-based routing
rules."
Att.