Tcp/Udp Services; Features - Enterasys X-Pedition 2000 Getting Started Manual

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.

TCP/UDP Services

The following table lists some well known TCP/UDP services provided by the XP-2000.
Table 2. TCP/UDP services
TCP Port
23

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)
Enterasys X-Pedition 2000 Getting Started Guide
Layer 7
Layer 6
Layer 5
Layer 4
Layer 3
Layer 2
Layer 2
Layer 1
UDP Port
161
67
520
Application
Presentation
Session
TCP/UDP - application
IP/IPX - routing
LLC
MAC -bridging
Physical Interfaces
Description
Telnet
SNMP
BOOTP/DHCP Relay Agent
Routed
Features
3