April 1996 Subject: What is the maximum number of Frame Relay PVCs?
This is covered fairly thoroughly in Product Info/Product Bulletin/Frame Relay Broadcast Queue, Cisco Product Bulletin # 256, available on CIO. Via the web (requires CIO username and pasword) http://cio.cisco.com/warp/customer/417/38.html An excerpt: (Virtual Interfaces) It should be noted that in the IOS (Internetworking Operating System) 10.0 software there is a limit of 256 Virtual and physical interfaces. Hence, if each DLCI is given its own virtual interface, the router is limited to 256 DLCIs. This restriction is expected to be removed in a future release. In most scenarios, it is not necessary that each DLCI have its own Virtual Interface. In particular, IP has the facility which allows disabling of split-horizon routing and hence does not require Virtual Interfaces to support partial mesh topologies. (Appendix 1: How many DLCIs Can Cisco Support on an Interface?) This question is similar to the question of how many PCs can you put on an Ethernet. In general, you can put a lot m
