Cisco Systems Cisco ONS 15310-MA, ONS 15310-CL Bridge ID, Switch Priority, and Extended System ID

Contents

	Available Circuit Sizes and Combinations					6-1
	LCAS Support	6-2
	J1 Path Trace, and SONET Alarms				6-2
	Framing Mode, Encapsulation, Scrambling, MTU and CRC Support						6-3
	Configuring the POS Interface			6-4
	Configuring POS Interface Framing Mode					6-4
	Configuring POS Interface Encapsulation Type Under GFP-F Framing						6-5
	SONET Alarms	6-6
	Configuring SONET Alarms				6-7
	Configuring SONET Delay Triggers					6-7
	Monitoring and Verifying POS			6-8
	Configuring STP and RSTP on the ML-Series Card 7-1
C H A P T E R 7
	STP Features 7-1
	STP Overview	7-2
	Supported STP Instances			7-2
	Bridge Protocol Data Units			7-2
	Election of the Root Switch			7-3
	Bridge ID, Switch Priority, and Extended System ID 7-4
	Spanning-Tree Timers		7-4
	Creating the Spanning-Tree Topology 7-5
	Spanning-Tree Interface States				7-5
	Blocking State		7-6
	Listening State		7-7
	Learning State		7-7
	Forwarding State		7-7
	Disabled State		7-7

Spanning-Tree Address Management		7-8
STP and IEEE 802.1Q Trunks	7-8
Spanning Tree and Redundant Connectivity			7-8
Accelerated Aging to Retain Connectivity			7-9
RSTP Features 7-9
Supported RSTP Instances	7-9
Port Roles and the Active Topology		7-10
Rapid Convergence 7-11
Synchronization of Port Roles	7-12
Bridge Protocol Data Unit Format and Processing 7-13
Processing Superior BPDU Information			7-14
Processing Inferior BPDU Information			7-14
Cisco ONS 15310-CL, ONS 15310-MA, and ONS 15310-MA SDH Ethernet Card Software Feature and Configuration Guide, R9.1 and R9.2
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