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Introducing Remote Switch
Distributed Fabrics User's Guide
Remote Switch is an optionally licensed product that runs on HP Brocade 2400/2800 and
FC 6164 switches with Fabric OS version a2.4.1 or later, or on FC Entry Switch 8B, FC
Switch 8B, and FC 16B switches with Fabric OS version 3.0.1b or later.
The Remote Switch feature, in conjunction with a compatible Fibre Channel to
asynchronous transfer mode (ATM) gateway, enables two HP Brocade 2400/2800, FC
6164, FC Entry Switch 8B, FC Switch 8B, or FC 16B fabric switches to be connected over
an ATM connection, with a distance of up to 10 kilometers between each switch and the
respective ATM gateway. The two switches are cascaded together to form a fabric that,
from the viewpoint of the connected hosts and storage devices, interact the same as locally
connected switches. The performance limitations depend only on the type of ATM
connection used. Remote Switch supports a maximum of two switches in a fabric.
Remote Switch provides:
•
Any-to-any connectivity
A host connected on the local or remote switch can communicate with storage devices
at either location.
•
Coordinated fabric services
The Remote Switch fabric configuration fully supports all fabric services, the same as
a centralized fabric configuration. These services include Distributed Name Services,
Registered State Change Notifications, and Alias Services.
•
Distributed management
Access to the management facilities (Web Tools, telnet, and SNMP) is available from
either the local or the remote switch. Interconnect for switch management is routed
through the Fibre Channel connection; no additional network connection is required
between sites.
•
Ability to support multiple interswitch links (ISLs)
Sites requiring redundant configurations can connect multiple E_Ports to remote sites
by using multiple gateways. Standard Fabric OS routing facilities automatically
maximize throughput by using the E_Ports to load share traffic during normal
operation, with automatic failover and failback during interruption on the WAN
connection.
Chapter
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