2-4 CHAPTER 2: VLANS ON THE COREBUILDER 2500 SYSTEM
Table 2-1 lists the protocol suites that the CoreBuilder 2500 supports, as
well as the protocol types included in each protocol suite.
Switch Ports
A group of switch ports is any combination of ports on a
CoreBuilder 2500 system bridge. Included are switch ports created as
ATM LAN Emulation Clients (ATM LECs). VLANs support only media
implementations that run over switch (bridge) ports, for example, ATM
Logical IP Subnets (ATM LISs).
Layer 3 Addressing Information
For IP VLANs only, the CoreBuilder 2500 system optionally supports
configuring of individual IP VLANs with network layer subnetwork
addresses. With this additional Layer 3 information, you can create
independent IP VLANs that share the same switch ports for multiple IP
VLANs. To distinguish among multiple IP VLANs on the same switch port,
the CoreBuilder 2500 system floods data according to both the protocol
(IP) and the Layer 3 information in the IP header. This configuration is
discussed on page 2-7 in “Overlapped IP VLANs.”
Table 2-1 Supported Protocols for VLAN Configuration
Protocol Suite Protocol Types
IP IP, ARP, RARP (Ethernet II)
Novell IPX IPX (Ethernet II, 802.2, 802.3, 802.3 SNAP)
AppleTalk DDP, AARP (Ethernet II, 802.3 SNAP)
Xerox XNS XNS IDP, XNS Address Translation, XNS Compatibility
(Ethernet II, 802.3 SNAP)
DECnet DEC MOP, DEC Phase IV, DEC LAT, DEC LAVC
(Ethernet II, 802.3 SNAP)
SNA SNA Services over Ethernet (Ethernet II, 802.2,
802.3 SNAP)
Banyan VINES Banyan (Ethernet II, 802.3 SNAP)
X25 X.25 Layer 3 (Ethernet II, 802.3 SNAP)
NetBIOS NetBIOS (802.2)
Default Default (all protocol types)
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