Black Box Version 1.0 Ethernet 10BaseT interface, ATM interface, Bridge mode, Route mode

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5.2.2 Ethernet 10BaseT interface

The Ethernet interface functions depend on the device operation modes.

Bridge mode

The bridge mode is used to connect LANs. The algorithm of the Ethernet traffic encapsulation into ATM is used in accordance with RFC 1483. The MDS92xxx-10BT device implements both the transparent bridge or spanning tree algorithms. These algorithms are described in detail in “Bridging of local networks”.

Route mode

If the bridge functions are not enough, the MDS92xxx-10BT device can work as a router. The Ethernet traffic is encapsulated in accordance with RFC 1438, RFC 2364, RFC 2516.

The MDS92xxx-10BT device implements static and dynamic routing algorithms. These algorithms are described in detail in “Routing of local networks”.

Note! At the point-to-point connection, both devices must be configured either as bridge or as router.

5.2.3 ATM interface

From side of the G.shdsl line interface, the MDS92xxx-10BT device acts as a SHDSL modem that uses ATM protocol to transmit data. This allows attaching it to DSLAM equipment of different manufacturers.

In the present version of the firmware, ATM implements the following:

•multiprotocol encapsulation of heterogeneous LAN traffic into ATM cells. AAL5 according to RFC 1483;

•support of IP protocols over ATM and PPP over ATM;

•in the router mode there is established one PVC for the bridge (RFC 1483 standard), eight PVCs for IP over ATM, one PVC for PPP over ATM;

•support of QoS elements: UBR, CBR, VBR-nrt;

•ATM UNI interfaces (versions 3.0, 3.1, 4.0)

Version: 1.0

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Contents MDS921AE-10BT MDS922AE-10BT Ethernet Router / BridgeSpecifications Firmware Loading Description of Interface Cables Version Control Major changes to previous versionIntroduction Version Specification Asymmetric DSL Adsl technology TechnologiesXDSL technology, background Adsl in briefNumber of pairs Isdn DSL technologyLine code UsageStandard Idsl in briefHigh bit rate DSL Hdsl technology Transmission rateHdsl in brief EXTRAns technology EXTRAns in briefMultispeed DSL Mdsl technology Mdsl in briefTransmission medium Multispeed DSL Msdsl technologyMSDSL, in brief Straight-line code7 G.shdsl technology 7.1 G.shdsl, in brief1 TCP/IP stack structure Local area network integration. Access to InternetLayer Correspondence of TCP/IP layers with the OSI model layers Address assignment in IP networks IP address classesAutomatic assignment of IP addresses MasksBridging of local networks Types of bridgesSimple network Version Network before running STA Routing of networks Routing componentsOptimal path determination Switching Change of packet addressesInternet Access through LANs, NAT Routing algorithms, RIPDynamic Address Translation NAT functioningStatic Network Address Translation Masquerading NAPT, PATInternal IP Port local NAT port 191.167.0.10 1243 61300 Description of the Device BackgroundStructural schematic of MDS92xxx-10BT Connection at a fixed speed Fixed Mode Operation modeMaster/Slave mode Connection with an automatic speed regulation Adaptive modeEthernet 10BaseT interface Bridge modeRoute mode ATM interfaceDescription of LEDs LEDMechanic Design Sub-RackMDS920C-10BT, NG, front panel Mini-Rack XdslMDS922AE-10BT, front panel Stand Alone LEDEquipment Installation Version Introduction Programming GuideManagement of devices of Sub-Rack type Command structure Management of devices of Mini-Rack and Stand Alone typeCommand tree of bridge mode Command tree of router mode Home command Main menu of the bridge modeHelp command Security password from an unauthorized accessSetip command Default commandLan command Show commandList command Setpass command Manage commandPassword setting Password change Password disablementBridge mode setting mode Mode commandRouter mode setting mode Ping command Quick command10 R1483 command ANYPfilter command Delpvc commandSetpvc command Setqos command Setspan commandRestart command 10.6 6 Show commandSave command Shdsl command Shdsl shdslTerminal command Enable commandAnnex command Fix command Adapt commandStatus command PRE ActivationMain menu of the router mode Default command Ver commandDnsrelay command Setdnsip command Ipoa command Delwanip commandSetrip command Setwanip commandDhcpserver command Setdhcp command Pat command Addpatin commandDelpatin command Setpat commandPppoa command Chpass command Adduser commandDeluser command Echo command Setllc commandPppoe command 12 R1483 command 12.4 8.3.12.4 Setwanip command WAN Addiproute Rtable commandDeliproute All Deletes Firmware Loading Firmware loading guideInterfaces Monitor interface Technical SpecificationsNetwork management interface Network interface Protection against dangerous affects Surge safety10.3 10.3 Climatic conditions 10.4 10.4 Guarantee 10.5 10.5 Physical dimensionsShdsl connector CONNECTORS’ DescriptionMonitor connector Ethernet 10BaseT connector Power connector For MDS922AE-10BTDescription of Interface Cables 12.1 «Direct» Ethernet cableCross-over Ethernet cable Delivery SET Typically the delivery set includesGlossary RS232 RJ11RJ45 SplitterTDM Example of Network Configuration RouterVersion Ethernet IP Subnet mask 0.0.0.0 WAN IP Gateway

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