Web Management Guide-R03
Table Of Contents
- How to Use This Guide
- Contents
- Figures
- Tables
- Getting Started
- Web Configuration
- Basic Management Tasks
- Displaying System Information
- Displaying Hardware/Software Versions
- Configuring Support for Jumbo Frames
- Displaying Bridge Extension Capabilities
- Managing System Files
- Setting the System Clock
- Configuring the Console Port
- Configuring Telnet Settings
- Displaying CPU Utilization
- Displaying Memory Utilization
- Resetting the System
- Interface Configuration
- VLAN Configuration
- Address Table Settings
- Spanning Tree Algorithm
- Congestion Control
- Class of Service
- Quality of Service
- VoIP Traffic Configuration
- Security Measures
- AAA Authorization and Accounting
- Configuring User Accounts
- Web Authentication
- Network Access (MAC Address Authentication)
- Configuring HTTPS
- Configuring the Secure Shell
- Access Control Lists
- Setting A Time Range
- Showing TCAM Utilization
- Setting the ACL Name and Type
- Configuring a Standard IPv4 ACL
- Configuring an Extended IPv4 ACL
- Configuring a Standard IPv6 ACL
- Configuring an Extended IPv6 ACL
- Configuring a MAC ACL
- Configuring an ARP ACL
- Binding a Port to an Access Control List
- Configuring ACL Mirroring
- Showing ACL Hardware Counters
- ARP Inspection
- Filtering IP Addresses for Management Access
- Configuring Port Security
- Configuring 802.1X Port Authentication
- DoS Protection
- IP Source Guard
- DHCP Snooping
- Basic Administration Protocols
- Configuring Event Logging
- Link Layer Discovery Protocol
- Power over Ethernet
- Simple Network Management Protocol
- Configuring Global Settings for SNMP
- Setting the Local Engine ID
- Specifying a Remote Engine ID
- Setting SNMPv3 Views
- Configuring SNMPv3 Groups
- Setting Community Access Strings
- Configuring Local SNMPv3 Users
- Configuring Remote SNMPv3 Users
- Specifying Trap Managers
- Creating SNMP Notification Logs
- Showing SNMP Statistics
- Remote Monitoring
- Switch Clustering
- IP Configuration
- IP Services
- Multicast Filtering
- Overview
- Layer 2 IGMP (Snooping and Query)
- Configuring IGMP Snooping and Query Parameters
- Specifying Static Interfaces for a Multicast Router
- Assigning Interfaces to Multicast Services
- Setting IGMP Snooping Status per Interface
- Filtering Multicast Data at Interfaces
- Displaying Multicast Groups Discovered by IGMP Snooping
- Displaying IGMP Snooping Statistics
- Filtering and Throttling IGMP Groups
- MLD Snooping (Snooping and Query for IPv6)
- Multicast VLAN Registration
- Basic Management Tasks
- Appendices
- Glossary
- Index
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11 VoIP Traffic Configuration
This chapter covers the following topics:
◆ Global Settings – Enables VOIP globally, sets the Voice VLAN, and the aging
time for attached ports.
◆ Telephony OUI List – Configures the list of phones to be treated as VOIP devices
based on the specified Organization Unit Identifier (OUI).
◆ Port Settings – Configures the way in which a port is added to the Voice VLAN,
the filtering of non-VoIP packets, the method of detecting VoIP traffic, and the
priority assigned to voice traffic.
Overview
When IP telephony is deployed in an enterprise network, it is recommended to
isolate the Voice over IP (VoIP) network traffic from other data traffic. Traffic
isolation can provide higher voice quality by preventing excessive packet delays,
packet loss, and jitter. This is best achieved by assigning all VoIP traffic to a single
Voice VLAN.
The use of a Voice VLAN has several advantages. It provides security by isolating the
VoIP traffic from other data traffic. End-to-end QoS policies and high priority can be
applied to VoIP VLAN traffic across the network, guaranteeing the bandwidth it
needs. VLAN isolation also protects against disruptive broadcast and multicast
traffic that can seriously affect voice quality.
The switch allows you to specify a Voice VLAN for the network and set a CoS priority
for the VoIP traffic. The VoIP traffic can be detected on switch ports by using the
source MAC address of packets, or by using LLDP (IEEE 802.1AB) to discover
connected VoIP devices. When VoIP traffic is detected on a configured port, the
switch automatically assigns the port as a tagged member the Voice VLAN.
Alternatively, switch ports can be manually configured.