VLANs divide broadcast domains in a LAN environment. Whenever hosts in one VLAN need to communicate with hosts in another VLAN, the traffic must be routed between them. This is known as inter-VLAN routing. OnCatalystswitches it is accomplished by creating Layer...
This document provides sample configurations for InterSwitch Link (ISL) and 802.1q trunking between a Catalyst6500/6000switchthatrunsCatOS and a Cisco 7500 routerthat can do InterVLANrouting. The results of each command...
This document provides basic information on how to create VLANs onCatalystswitchesthatrunCatalyst OS (CatOS) and Cisco IOS® SystemSoftware. The sample commands for each section use one Catalystswitch from...
This document provides information on troubleshooting interVLANrouting with a RouteSwitch Module (RSM) on a Catalyst 5000 family switch. When it comes to troubleshooting the RSM, the first thing to do is to think of it as a simple external router....
This document discusses the configuration of Inter-Switch Link Protocol (ISL) trunks on external Cisco routers like the 7500/7000, 3600, 4500, or 2500 series. This document does not discuss the configuration of ISL trunks onLayer 2 (L2)/Layer3 (L3) switches...