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Table 2
TABLE 2
Access Gateway
N_Port
N_1
N_2
N_3
N_4
Port initialization
To ensure that all hosts are brought online when Brocade Access Gateway starts up, the ports are
initialized in the following manner:
1. All N_Ports are initialized. During N_Port initialization all the F_Ports are disabled (kept
2. All F_Ports mapped to online N_Ports are enabled. F_Ports that are inactive or that have no
3. F_Ports mapped to an offline N_Port with the failover policy enabled fail over to an online
4. The host logs in to the fabric as follows:
Access Gateway Administrator's Guide
53-1000633-01
describes the mapping and fabric connection shown in
Example port mapping
F_Port
F_1, F_2
F_3, F_4
F_5, F_6
F_7, F_8
OFFLINE).
The ports are enabled or disabled as follows:
-
Enabled (online) if the port receives a fabric login event and is connected to an F_Port of
an edge switch that supports NPIV (N_Port ID virtualization).
-
Disabled (offline) if the port is not connected to a fabric or is connected to a fabric port
that does not support NPIV.
hosts are disabled.
N_Port.
a. The host sends a FLOGI (fabric login) request.
b. Access Gateway converts the FLOGI request into an FDISC request to the fabric with the
same parameters as the host.
c.
The fabric processes the request and sends an FDISC response.
d. Access Gateway converts the FDISC ACC response to the host as an FLOGI ACC using the
same parameters as the fabric.
e. The host receives the response from the fabric.
Fabric
Edge switch
F_Port
Switch_A
F_A1
Switch_A
F_A2
Switch_B
F_B1
Switch_B
F_B2
Port initialization
Figure
3.
1
5
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