HP PROCURVE 6208M-SX Installation And Getting Started Manual: Layer 3 Routing Features; Multi-port Subnets (integrated Switch-routing)

Hewlett-packard switch user manual.
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VLAN Tagging
VLAN tagging (802.1q) extends the boundaries of the VLAN by allowing creation of VLANs that cross switch
boundaries. This eases network management and ensures interoperability with other devices. See "VLAN
Tagging" on page 7-17.

Layer 3 Routing Features

The following sections describe the Layer 3 routing features listed in Table 7.1 on page 7-1. HP routing switches
provide traditional Layer 3 routing at wire speeds with support for the following routing protocols:
Internet Protocol (IP)
IP Routing Information Protocol (RIP)
Open Shortest Path First (OSPF)
Internet Packet Exchange (IPX)
IPX Service Advertisement Protocol (SAP)
The following sections describe the HP routing switch support for the protocols listed above and the additional
routing features.
Multi-netting allows you to assign multiple IP or IPX protocol interfaces to the same physical port on the switch or
routing switch. HP routing switches support multi-netting for IP and IPX.
Multiple IP Sub-nets per Interface
Up to 64 IP sub-nets can be defined per port. IP/RIP and OSPF can be assigned to these multi-homed interfaces.
Multiple IPX Frame Type Support per Interface
Up to four different IPX network numbers and frame encapsulation types can be defined for each IPX interface.
You can define and receive traffic from four separate IPX networks on a single interface. Each of the networks
must have a distinct network number and one of the following encapsulation types: Ethernet SNAP, Ethernet
802.2, Ethernet 802.3, and Ethernet II.
Multi-Port Subnets (Integrated Switch-Routing)
Integrated Switch Routing (ISR) allows an HP routing switch to assign and support VLANs on its interfaces as
would a switch. In addition, this feature provides routing between its VLANs. This combined logical switch and
router operation within a single device is what defines a routing switch as an Integrated Switch-Router, as shown
in Figure 7.3.
Software Overview
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