Cisco switch +alcatel switch

Hi experts,

I want to cascade a New alcaltel switch to an exisiting cisco edge switch.I would be trunking through fibre..when connecting this new alcatel switch to the exisiting cisco edge switch what configuration changes njeeds to be done on both the switches to make the cascading work?what changes needs to be done with regards to STP and VTP for both the switches?

Thanks,
phoenix
phoenix26Asked:
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mikebernhardtConnect With a Mentor Commented:
I'm not familiar with alcatel switches, but I can tell you this:
1. VTP is Cisco-proprietary (I think) so set it to transparent mode on the cisco switch. I always do that anyway.
2. On the Cisco interface, set it to "speed nonegotiate" if the link won't come up.
3. Also on the Cisco switch, set the trunk encapsulation type to dot1q.
4. Verify the default native vlan on the alcatel. On Cisco it defaults to vlan 1 but it may not be that on the Alcatel. I recommend always using vlan 1 for the native vlan.
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phoenix26Author Commented:
Hi expert,

What about STP changes ,as one switch is alcatel and other is cisco ,what needs to be done in order to avoid spanning tree loop?Both are running as edge switches only.

Thanks,
phoenix

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mikebernhardtConnect With a Mentor Commented:
If you're only putting a single link between them you don't have to worry about spanning tree anyway. But you will need to use MSTP 802.1s rather than Cisco's proprietary PVST or Alcatel's version of the same.
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phoenix26Author Commented:
satisfactory
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