
Chapter 1 Introducing the IES-1248-51V
IES-1248-51V User’s Guide
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• vendor-IES1248.mib
•Private mib
ADSL Encapsulation
Multiple Protocols over AAL5 (RFC 1483)
ADSL Compliance
• Multi-Mode ADSL standard
• G.dmt (ITU-T G.992.1)
• G.lite (ITU-T G.992.2)
• G.hs (ITU-T G.994.1)
• ANSI T1.413 issue 2
• ADSL2: G.992.3, G.992.4
• ADSL2+: G.992.5
• Rate adaptation support
IEEE 802.1p Priority
Your IES-1248-51V uses IEEE 802.1p Priority to assign priority levels to individual
PVCs.
Multiple PVC and ATM QoS
The IES-1248-51V allows you to use different channels (also called Permanent
Virtual Circuits or PVCs) for different services or subscribers. Define channels on
each DSL port for different services or levels of service and assign each channel a
priority. ATM Quality of Service (QoS) allows you to regulate the average rate and
fluctuations of data transmission. This helps eliminate congestion to allow the
transmission of real time data (such as audio and video).
IEEE 802.1x Port-based Authentication
The IES-1248-51V supports the IEEE 802.1x standard for centralized user
authentication and accounting management through an optional network
authentication (RADIUS) server.
2684 Routed Mode
The IES-1248-51V can handle 2684 routed mode traffic.
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