Enterasys Networks 2000 User Manual
Enterasys X-Pedition 2000 Getting Started Guide
3
Features
that are not shaded. Notice that Layer-2 is divided into an LLC layer and a MAC layer. The XP-
2000 operates at the MAC layer but not the LLC layer.
2000 operates at the MAC layer but not the LLC layer.
TCP/UDP Services
The following table lists some well known TCP/UDP services provided by the XP-2000.
Features
This section describes the following XP-2000 features:
•
Address-based and flow-based bridging
•
Port-based VLANs and protocol-based VLANs
•
IP and IPX routing
•
Layer-4 (application) switching
•
Security
•
Quality of Service (QoS)
Layer 7
Application
Layer 6
Presentation
Layer 5
Session
Layer 4
TCP/UDP - application
Layer 3
IP/IPX - routing
Layer 2
LLC
Layer 2
MAC -bridging
Layer 1
Physical Interfaces
Table 2. TCP/UDP services
TCP Port
UDP Port
Description
23
Telnet
161
SNMP
67
BOOTP/DHCP Relay Agent
520
Routed