Cisco ONS 15454 SDH E1-75 Manual - Page 39

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Cisco ONS 15454 SDH E1-75 Manual
Chapter 11 Circuits and Tunnels
11.20.2 VCAT Circuit Routing over Server Trails
11.20.2.1 Shared Resource Link Group
The Shared Resource Link Group (SRLG) attribute can be assigned to a server trail link using a
commonly shared resource such as port, fiber or span. For example, if two server trail links are routed
over the same fiber, an SRLG attribute can be assigned to these links. SRLG is used by Cisco Transport
Manager (CTM) to specify link diversity. If you create multiple server trails from one port, you can
assign the same SRLG value to all the links to indicate that they originate from the same port.
Cisco ONS 15454 SDH Reference Manual, R8.5
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