5406ZL resiliency

[synaesthesia]

Hopefully an easy one!

 

We've a pair of 5406ZL's manning our core for both of our sites, linked via fibre.

All works well but just realised something a little obvious; should one go down, the gateways that unit holds for it's vlans go also. That's not a major issue when the vlan is specific to one site, but the main question and problem is for the vlans that span sites; in our case, servers and printers. It seemed possibly only to have a single gateway (vlan IP) at the time of commissioning however that causes the above problem. Everything still works without a vlan IP but because the gateway is then gone....

 

Any useful tips on strengthening this simple setup so it's not absolutely reliant on one switch?

[DMcCoy]

VRRP with MSTP should do what you need.