HP StorageWorks 1606 Brocade Fabric OS Administrator's Guide v6.3.0 (53-100133 - Page 514

Interfabric link configuration, Configuring an IFL for both edge and backbone connections

Page 514 highlights

21 Interfabric link configuration If using FCIP in your FC-FC Routing configuration, you must first configure FCIP tunnels. Once a tunnel is created, it defaults to a disabled state. Then configure the VE_Port or VEX_Port. After the appropriate ports are configured, enable the tunnel. NOTE This section is applicable only to Fabric OS fabrics and does not apply to M-EOS fabrics. See the Fibre Channel over IP Administrator's Guide for instructions on how to configure FCIP tunnels. Interfabric link configuration Before configuring an IFL, be aware that you cannot configure both IFLs (EX_Ports, VEX_Ports) and ISLs (E_Ports) from a backbone fabric to the same edge fabric. Configuring an interfabric link involves disabling ports and cabling them to other fabrics, configuring those ports for their intended use, and then enabling the ports. To configure an 8-Gbps IFL, both the EX_Port and the connecting E_Port must be 8-Gbps ports. ATTENTION To ensure that fabrics remain isolated, disable the port prior to inserting the cable. If you are configuring an EX_Port, disable the port prior to making the connection. Configuring an IFL for both edge and backbone connections 1. On the FC router, disable the port that you are configuring as an EX_Port (the one connected to the Fabric OS switch) by issuing the portDisable command. switch:admin> portdisable 7/10 You can verify that port 7 has been disabled by issuing the portShow command for the port. 2. Configure each port that connects to an edge fabric as an EX_Port or VEX_Port. Note the following: • portCfgVEXPort works only on VE_Ports. • portCfgEXPort (only on the FC ports on the FC router) commands work only on ports that are capable of FC-FC routing. Use the portCfgEXPort or portCfgVEXPort command to: • Enable or disable EX_Port or VEX_Port mode. • Set the fabric ID (avoid using fabric IDs 1 and 128, which are the default IDs for backbone connections). NOTE If an edge fabric with redundant links to the backbone fabric becomes segmented, hosts may lose connectivity to imported targets. Repair the edge fabric, then use the portCfgEXPort command to disable all EX_Ports to the edge fabric, and enable the EX_Ports again to restore connectivity. 472 Fabric OS Administrator's Guide 53-1001336-01

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472
Fabric OS Administrator’s Guide
53-1001336-01
Interfabric link configuration
21
If using FCIP in your FC-FC Routing configuration, you must first configure FCIP tunnels. Once a
tunnel is created, it defaults to a disabled state. Then configure the VE_Port or VEX_Port. After the
appropriate ports are configured, enable the tunnel.
NOTE
This section is applicable only to Fabric OS fabrics and does not apply to M-EOS fabrics.
See the
Fibre Channel over IP Administrator’s Guide
for instructions on how to configure FCIP
tunnels.
Interfabric link configuration
Before configuring an IFL, be aware that you cannot configure both IFLs (EX_Ports, VEX_Ports) and
ISLs (E_Ports) from a backbone fabric to the same edge fabric.
Configuring an interfabric link involves disabling ports and cabling them to other fabrics,
configuring those ports for their intended use, and then enabling the ports.
To configure an 8-Gbps IFL, both the EX_Port and the connecting E_Port must be 8-Gbps ports.
ATTENTION
To ensure that fabrics remain isolated, disable the port prior to inserting the cable. If you are
configuring an EX_Port, disable the port prior to making the connection.
Configuring an IFL for both edge and backbone connections
1.
On the FC router, disable the port that you are configuring as an EX_Port (the one connected to
the Fabric OS switch) by issuing the
portDisable
command.
switch:admin>
portdisable 7/10
You can verify that port 7 has been disabled by issuing the
portShow
command for the port.
2.
Configure each port that connects to an edge fabric as an EX_Port or VEX_Port. Note the
following:
portCfgVEXPort
works only on VE_Ports.
portCfgEXPort
(only on the FC ports on the FC router) commands work only on ports that
are capable of FC-FC routing.
Use the
portCfgEXPort
or
portCfgVEXPort
command to:
Enable or disable EX_Port or VEX_Port mode.
Set the fabric ID (avoid using fabric IDs 1 and 128, which are the default IDs for backbone
connections).
NOTE
If an edge fabric with redundant links to the backbone fabric becomes segmented, hosts may
lose connectivity to imported targets.
Repair the edge fabric, then use the
portCfgEXPort
command to disable all EX_Ports to the
edge fabric, and enable the EX_Ports again to restore connectivity.