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Beginner

Fail Over

I am trying to find out if Cisco Switch (C2960X) can be connected to 5 ISPs simultaneously?

If so, can the switch disconnect from one ISP and be connected to another automatically in times of a fail over?

 

Please explain so i understand. Thank you.

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2 REPLIES 2
VIP Expert

Re: Fail Over

ISP (Internet providers) usually provide layer-3 hand off. The 2960 is simply a layer-2 device with limited layer-3 functionality. What are you trying to do? Are you connecting to 5 different ISPs for Internet access?

HTH

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VIP Mentor

Re: Fail Over

As Reza mentioned, you need to be more specific on what you want to achieve. Very common is the following scenario (which I implemented with four ISPs, but you can easily scale up):

 

  • The Switch gets five VLANs, e.g. 901,902,903,904,905
  • You connect the five ISP-devices to Gig1/0/1 (Vl901), Gig1/0/2 (Vl902), ... Gig1/0/5 (Vl905)
  • One interface (Gig1/0/24) is configured as a trunk
  • Your layer3-device (most often a firewall or a router) connects to that trunk interface and is configured with five subinterfaces, with IPs from the corresponding ISP.
  • Failover and load distribution is done by the firewall/router.
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