- PIM for IP multicast routing within a network that enables the network to receive the multicast feed requested and for switches not participating in the multicast to be pruned梥upport for PIM sparse mode (PIM-SM), PIM dense mode (PIM-DM), and PIM sparse-dense mode
- Distance Vector Multicast Routing Protocol (DVMRP) tunneling for interconnecting two multicast-enabled networks across non multicast networks
Features of the Catalyst 3550 Ethernet Switch
Layer 3 Routing
The Catalyst 3550 Switch can be configured very similarly to an IOS based Router. You have a few options with the 3550 in your configurations. You can configure each individual port as a routed port (Layer 3 interface), or you can configure VLAN interfaces to act as SVI抯 ?Switched Virtual Interfaces. When you configure a port to act as a routed port, it is no different than configuring a Fast Ethernet port on any router. You can assign an IP address to this interface, as well as apply access-lists, QoS related configuration, etc. However you do have to tell the switch that the port is no longer acting as a layer 2 interface by issuing the command 搉o switchport?followed by entering the desired IP address.
For example:
Switch# configure terminal Enter configuration commands, one per line. End with CNTL/Z. Switch(config)# interface gigabitethernet0/10 Switch(config-if)# no switchport Switch(config-if)# ip address 10.1.1.2 255.255.0.0 Switch(config-if)# no shutdown
SVI configuration will be discussed in the Fallback Bridging section of this report.
The 3550 supports the following IP Unicast routing protocols; RIP v1/v2, IGRP/EIGRP, OSPF, and BGP. Configuration of each of these protocols is beyond the scope of this documentation. Keep in mind however, that the configuration of the above protocols is possible, and is no different from the same configuration on a Router.
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