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  • 1.  Maximum of ISL trunk per SAN switch

    Posted 27 days ago
    Edited by Bernard Fay 18 days ago

    Hi,

    I understand there is a maximum of 8 ports per ISL trunk. I read there is maximum of number of ISL trunk we can have per SAN switch.  Where can I find this maximum of ISL trunk in a switch?  The specs of my model (SAN128B-6) of switch doesn't show this maximum.  My big question is to know if I will be able to create 4 ISL trunks with 8 ports per trunk?  I am still not sure if I will use 8 ports per trunk. 

    Thanks



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    Bernard Fay
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  • 2.  RE: Maximum of ISL trunk per SAN switch

    Posted 27 days ago

    Hello Bernard,

    according to FOS Scalability guide, there is no limit of ISLs per switch, the limit is your port count.



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    Sergei Kubin
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    Original Message


  • 3.  RE: Maximum of ISL trunk per SAN switch

    Posted 27 days ago
    Edited by Bernard Fay 27 days ago

    Thanks Sergei! 

    I didn't know about this document.  It clears up the subject for me. 



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    Bernard Fay
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    Original Message


  • 4.  RE: Maximum of ISL trunk per SAN switch

    IBM Champion
    Posted 27 days ago
    Edited by Nezih Boyacioglu 27 days ago

    For SAN128B-6 I prefer to use Q Flex Ports for trunks. port grouping is important for the trunks. 

    here's the port groups on your san128b-6

     https://techdocs.broadcom.com/us/en/fibre-channel-networking/fabric-os/fabric-os-administration/9-2-x/v26799888/v26800033/v26799817.html



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    Nezih Boyacioglu
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    Original Message


  • 5.  RE: Maximum of ISL trunk per SAN switch

    Posted 27 days ago
    Edited by Bernard Fay 27 days ago

    I understand and agree with you about Q-Flex ports for trunks. But we cannot use those ports as we don't have licenses for them.

    Thanks for the information. 



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    Bernard Fay
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    Original Message