Cabletron Systems 6500 User Manual
SmartSwitch 6500 User Guide 5-3
Routing
IISP Routes
Note
Dotted lines in the diagrams below represent one-way IISP routes to the devices
pointed to by the arrowheads. Each route is defined on the device from which the
dotted line originates.
pointed to by the arrowheads. Each route is defined on the device from which the
dotted line originates.
Figure 5-1 IISP route across PNNI domain
IISP Routing Example Two
A second IISP device (Switch D) is added behind Switch A. If Switch D also needs to reach Switch C for LANE
support, additional IISP routes must be defined between Switches D and C, B and D, and A and D. Figure 5-2 shows
the typical “route to every point reached” IISP topology.
support, additional IISP routes must be defined between Switches D and C, B and D, and A and D. Figure 5-2 shows
the typical “route to every point reached” IISP topology.
Figure 5-2 Routes needed for a second IISP switch