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X5821 User's Manual
Layer 5
− RFC2225 / RFC1577, Classical IP and ARP over ATM (IPoA)
− RFC2364, PPP over AAL5 (PPPoA)
ADSL standard
• Support ANSI T1.413 Issue 2
• Support ITU G.992.1 Annex A (G.dmt)
• Support ITU G.992.2 Annex A (G.lite)
• Support ITU G.994.1 (G.hs)
• Maximum Rate: 8 Mbps for downstream and 1 Mbps for upstream
ADSL2 standard
• Support ITU G.992.3 Annex A（G.dmt.bis）
• Support ITU G.992.3 Annex L（Reach Extended ADSL2）
• Maximum Rate: 12 Mbps for downstream and 1.5 Mbps for upstream
ADSL2+ standard
• Support ITU G.992.5 Annex A
• Maximum Rate: 24 Mbps for downstream and 3 Mbps for upstream
Networking Protocols
• Support ATM Forum UNI 3.1 / 4.0 Permanent Virtual Circuits (PVCs)
• Support ATM Forum UNI 3.1 / 4.0 Permanent Virtual Circuits (PVCs)
• Support UBR Without PCR/UBR With PCB/CBR/nrt_VBR/rt_VBR
• Support RFC2684 LLC Encapsulation and VC Multiplexing over AAL5
• Support RFC2364 Point-to-Point Protocol (PPP) over AAL5
• Support RFC2225 Classical IP and ARP over ATM
• Support RFC2516 PPP over Ethernet: support Relay (Transparent Forwarding)
and Client functions
• Support PPPoA or PPPoE Ip extension
• PPPoA/PPPoE support AUTO, PAP, CHAPauthentication
• Support multiple PPPoE sessions on one PVC
• Support RFC1661 Point-to-Point Protocol
• Support AM F4/F5 End-to-End/Segment Loopback Cells
• Supports both ATM QoS, 8 tx queues in soft-SAR and supports packet level
priority queuing in ATM driver.
Bridging feature
• Support self-learning bridge （IEEE 802.1D Transparent Bridging
• Support 4096 learning MAC addresses
Routing feature
• Support NAPT
• Support ALGs (Application Level Gateways): such as NetMeeting, MSN
Messenger,
• FTP, QuickTime, mIRC, Real Player, CuSeeMe, VPN pass-through IPsec VPN
etc.
• Support DMZ
• Support Port forwarding
• Support Port Triggering
• Support UPnP IGD (Internet Gateway Device) with NAT traversal capability
• Support static routing, RFC1058 RIPv1, RFC1723 RIPv2
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Version 1.0
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