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DES-7200 Configuration Guide Chapter 5 RERP Configuration
5-19
Switch B
Transit of primary ring, Primary-edge of
subring
Switch C
Transit of primary ring, Secondary-edge
of subring
Switch D Master of subring
Switch E Transit of subring
How to configure the single-domain intersecting rings:
1. Configure the interfaces joining RERP ring as Trunk ports and configure the
Native VLAN to the control VLAN of corresponding ring.
Note
The Native VLAN of the shared ports of primary-edge and
secondary-edge of RERP intersecting rings is the control VLAN of
primary ring (conceptually, we treat the shared port as a port on the
primary ring as a part of primary ring). The configuration steps are
detailed in "Interface Configuration" of this manual.
2. Define the RERP domain.
3. Define the RERP ring and configure the role of this device on RERP ring, the
control VLAN to which it belongs and the primary and secondary ports. During the
configuration of intersecting rings, the following two points shall be paid attention
to:
a) The primary-edge and secondary-edge devices are transit devices on the
primary ring. You must configure the shared-port and sub-port for the edge
device.
b) For a device on the primary ring, you must configure the control VLAN of
subring supported by the primary ring, namely to join RERP port of this
device into the control VLAN of subring.
c) In the intersecting rings, the timeout interval of subring must be greater than
that of primary ring. It is suggested to set the timeout interval on subring
Master to a value being two times of the timeout interval of primary ring.
4. Enable the RERP.
5.4.2.4 Configuration Steps
¾ Configure Switch A
Step 1: Define the RERP domain.
! Enter the global configuration mode.