HP 8/24 Brocade Fabric OS Administrator's Guide v6.3.0 (53-1001336-01, July 20 - Page 528
Speed tag, LSAN_FAB1_abc
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21 LSAN zone configuration Use the Enforce tag to achieve better scalability in the FC router. This is useful when multiple FC routers are connected to the same edge fabric. Without the Enforce tag, all FC routers import all LSAN zones, even those that are not needed. Normally the FC router automatically accepts all zones with names that start with "lsan_". You can specify an Enforce tag to indicate that a particular FC router should only accept zones that start with the prefix "lsan_tag". For example, if you specify an Enforce tag of "abc", the FC router accepts only those LSAN zones that start with "lsan_abc" and does not import or export any other LSAN zones. The Enforce tag can be up to 8 characters long and can contain only letters and numbers. The Enforce tag is case-insensitive; for example, the tag "abc" is equivalent to "ABC" and "Abc". If you specify "abc", "xyz", and "fab1" as Enforce tags, then the FC router accepts only those LSAN zones with names that start with any of the following: lsan_abc lsan_xyz lsan_fab1 In this example, the following LSAN zones would all be accepted: lsan_abc Lsan_xyz123456 LSAN_FAB1_abc You can specify up to eight Enforce tags on an FC router. Speed tag During target discovery, the FC router process of presenting proxy devices and setting up paths to the proxy devices might cause some sensitive hosts to time out or fail. The Speed tag allows you to speed up the discovery process by importing the devices into the remote edge fabrics when the devices come online, regardless of the state of the host. This helps sensitive hosts to quickly discover the devices without timing out. You set the Speed tag on the FC router, and then configure the LSANs in the target edge fabrics with the tag. For example, in Figure 76 on page 487 assume that the host, H1, needs fast access to target devices D1 and D2. You could set up the Speed tag as follows: 1. In FC router 1 and FC router 2, configure the Speed tag as "super". 2. In edge fabric 2, configure two LSANs: lsan_f2_f1 (H1, D1) lsan_f2_f3 (H1, D2) The LSAN in the host fabric does not need the tag. 3. In edge fabric 1, configure the following LSAN: lsan_super_f1_f2 (H1, D1) 4. In edge fabric 3, configure the following LSAN: lsan_super_f3_f2 (H1, D2) 5. Toggle either the host or target to trigger the fast import process. The "super" tag is needed only in the LSANs of the target fabrics. 486 Fabric OS Administrator's Guide 53-1001336-01
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