Mrstp; 3-5.1 Instance - ZyXEL Communications XGS3600 Series Manual

3-5 MRSTP

The MRSTP (Multiple Rapid Spanning Tree Protocol) is not standard Spanning tree protocol.
It means the switch supports the MRSTP then it exist several spanning trees at the same time
and these spanning trees won't affect to each other.
A switch supports MRSTP and accepts two or more RSTP in signal equipment. These two
RSTP group have different ports to join them and between different Hello Time, Max Age,
Forwarding Delay. The MRSTP configuration method was the same as RSTP, but it needs to
set for several times. Otherwise each MRSTP could be set for differential parameters.

3-5.1 Instance

The section describes switch to provide an MRSTP instance table which include information
(Instance, State, Version, Priority, Hello time, Max-age and Forwarding delay) of all MRSTP
instances provisioned in the particular MRSTP region which the bridge belongs to. Through
this table, additional MRSTP configuration data can be applied and MRSTP status can be
retrieved.
Web Interface
To configure the MRSTP Instance parameters in the web interface:
1. Click Configuration, MRSTP, Instance
2. Scroll to select enable or disable which Global configuration
3. Evoke which state and instance you will set on the switch..
4. Scroll to set includes Version, Hello-time, Max-age and Forwarding Del parameter.
5. Click the Apply to save the setting
6. If you want to cancel the setting then you need to click the Reset button.
It will revert to previously saved values
Figure 3-5.1: The MRSTP Instance Configuration.
Parameter description:
Global State:

Scroll to select "Enabled" or "disabled" the Global MRSTP state on the switch.
Instance :

Every MRSTP instance need to have a unique instance ID.
State :

Controls whether an MRSTP instance is enabled or not. To really enable an
MRSTP instance, the MRSTP Global State must also be enabled.
XGS3600 Series User's Guide
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