QTECH
Software Configuration Manual
20-231
20.4.3
Single-domain intersecting rings
Figure 4 Single-domain intersecting rings
There are two or more rings in the network topology and two common nodes between rings. In this case, you
only need to define an ERRP domain, and set one ring as the primary ring and other rings as subrings.
20.4.4
Dual homed rings
Figure 5 Dual homed rings
There are two or more rings in the network topology and two similar common nodes between rings. In this
case, you only need to define an ERRP domain, and set one ring as the primary ring and other rings as subrings.