Fabric OS Administrator’s Guide 491
53-1002446-01
LSAN zone configuration
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For example, in Figure 78 on page 491, 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.
The target proxies D1 and D2 are always present in the host fabric (Edge fabric 2), even if the host
is brought down. A target proxy is removed from the host fabric when the target device is offline.
FIGURE 78 Example of setting up Speed LSAN tag
Rules for LSAN tagging
Note the following rules for configuring LSAN tags:
• You configure the tags on the FC router, and not on the edge switches. If Virtual Fabrics is
enabled, you configure the tags on the base switch on which the EX_Ports and VEX_Ports are
located. You then must ensure that the LSAN zones in the edge fabrics incorporate the tags
correctly.
FC router 1
Edge fabric 3Edge fabric 1 Edge fabric 2
FC router 2
H1
D1 D2
= LSAN
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