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New Contributor
Posts: 3
Registered: ‎10-23-2012

ISL trunking

Hi,

We have a Brocade 300 as the principal switch and 200E as sub-ordinate, currently we are expanding the fabric and have a new 6505 that needs to be connected to Brocade 300 thru ISL trunking( we have the trunking license). FOS version of the switches are as below,

Brocade 300 - v6.2.0c

Brocade 200E - v6.0.0c

Brocade 6505 - v7.0.1

From FOS 7.0.1 release notes I understand that v6.2.0c is compatible with v7.0.1 , although the version on 200E(v6.0.0c) is not compatible with FOS 7.0.1

My question is even though I am trunking 6505 to 300 whose FOS are compatible, will I have any problem that 200E with an incompatible FOS co-exists in the same fabric?

Please let me know if more information is required.

Any pointers would be very helpful.

Thanks,

Nithya

Valued Contributor
Posts: 761
Registered: ‎06-11-2010

Re: ISL trunking


Hi,

If Release notes show that everything is supported, you shouldn't experience any issue. In order to prevent any unexpected behaviour, I recommend you to upgrade Brocade 200E and 300 to their latest releases, specially Brocade 200E that can be upgraded up to 6.2.2x

New Contributor
Posts: 3
Registered: ‎10-23-2012

Re: ISL trunking

Thanks for your reply

New Contributor
Posts: 3
Registered: ‎10-23-2012

Re: ISL trunking

Hi,

I have one more question, I missed out other part of my existing configuration in my earlier question, 200E is ISL trunked to Brocade 3800 with v3.2.1c and I guess that is the last version for 3800. And 200E (FOS v6.0.0.c) is in turn ISL trunked to Brocade 300(FOS v6.2.0c), Now, with the new Brocade 6505(FOS v.7.0.1) that I have , I need to establish ISL to Brocade 300.

But, the FOS 7.0.1 release notes states that "no Direct E-port connections are supported for Brocade 3800 Switch", but I a don't want any E-port connections to 3800, So as you had suggested, if I upgrade 200E to a compatible version with FOS 7.0.1 and then establish an ISL between B300 and B6505 , will there be any FOS compatibility issues because 3800 is an old switch with an older FOS that exists in the same fabric?

This is all in a production environment and I am trying to find out as much info as possible for planning an upgrade and adding the new switch to the existing fabric.

Thanks once again.

Regards,

Nithya

Valued Contributor
Posts: 761
Registered: ‎06-11-2010

Re: ISL trunking

hi,

I think that no one can answer your question... because Brocade 3800 is a quite old switch whilst 6505 it's brand new and there may not be any documentation about it...

I do recommend you to get rid of that 3800, but since that options does not seem to be feasible, I would connect  the 6505 to the 300 and it there is any incompatibility the new switch wouldn't join the fabric.

rgds,

F

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