Thursday, September 2, 2021

Recommendations for a stackable 25gbe switch

Hey guys,

Any suggestion to replace a core in a fairly small network.

Requirements are really quite simple:

  • Stackable with 2 units*
  • 48 ports of 25gbe sfp28 ports on each unit
  • Very basic L3 routing - basically intervlan (about ~100 vlans) routing and OSPF to upstream routers
  • Dual PSUs in each switch

Currently there is a pair of Dell/Force10 S4810 switches doing the job quite happily but we need to bump the speed from 10gb to 25gbe.

Before that a pair of 1gb EX4200's was used.

*A stack is desired because there is a significant number of /27 VLANs that have their gateway IP residing on the core. There is no room in the subnets to shift to a VRRP type setup.

Stack seems to be the simplest way to achieve the gateway IP floating between two different physical switches in the core.

Open to suggestions of how to do it better though!



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