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SAN - Trunking

Posted on 2012-04-08
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Last Modified: 2012-04-15
I would like to know how we can configure trunking on brocade switch . How it select the master trunk port . What happen when the master trunk port does not work ,

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Question by:gutenmorgen
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woolmilkporc earned 500 total points
ID: 37823077
The master port is the port used to set up the routing paths for the whole trunking group.
This port is randomly chosen from the members of the trunk group.
You don't need to configure anything here.

All Brocade ports are trunking-enabled by default (you can disable trunking manually, however),
and as soon as the switch recognizes that more than one port is connected to another switch (ISL),
these ISL ports are set up as trunking ports.

Non-master trunking ports from a trunking group are called trunking slaves.

If a master trunking link goes offline or fails, the remaining slave links will also go
offline and regroup with a new master if there are at least two active trunking
ports remaining. The failure of any master port impacts the traffic traversing this
trunk since a regrouping of the trunk slaves must occur and because some in-flight data
may be lost.

The failure of any slave port has minimal impact on the trunk or the traffic traversing this trunk.

I'll attach a PDF doc from Brocade containing more info (not too recent, but still useful).

[embed=file 566703

wmp
brocade-wp-trunking.pdf
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