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Watson Ethernet
Operating Manual
Watson-Ethernet-Manual.doc
Version 3.3-01
3-8
Revision: 2010-01-20
3.2.2 Ethernet Bridging
The Watson Ethernet plug-in card has a built-in Ethernet bridge that connects
Ethernet ports, DSL spans and the plug-in controller:
Figure 3-4: Watson Ethernet plug-in Block diagram
The Ethernet bridge supports the following modes
1) VLAN bridging. Layer 2 VLANs are used to control the traffic. For an Ethernet
packet to be sent from one port to another both ports must be configured to
be in the same VLAN. This bridging mode allows that Ethernet user interfac-
es can be switched to DSL interfaces and vice versa. It is also possible to
switch packets from several DSL interfaces to one Ethernet interface (con-
centration), to switch packets from an Ethernet or DSL interface to the Man-
agement Processor interface MGMT3 (used for inband management) or to
switch packets from DSL to DSL interface.
2) Transparent bridging. In this mode there is a fixed association between DSL
and Ethernet bridge ports:
Figure 3-5: Transparent bridging
Transparent bridging is similar to the VLAN transparency provided by the
Watson Ethernet tabletop modem, cf. 3.3.2. Transparent bridging lacks the
flexibility of VLAN bridging, and inband management or linear networks are
not supported in this mode. The advantage of transparent bridging is that it is
not required to configure any VLAN tags on the bridge, any VID received on
an Ethernet port will be relayed to the corresponding DSL span and vice ver-
sa.
Note that the association between Ethernet and DSL spans is independent of
the currently configured multipair mode of the DSL spans. If for example all
four DSL wire pairs are combined to a single DSL span (DSL1) then Ethernet
port ETH1 will be associated with DSL span DSL1 while ports ETH2 .. ETH4
and DSL2 .. DSL4 do not carry any traffic at all.
- Declaration of Conformity 3
- Limited Product Warranty 9
- Table of Contents 11
- 1 Related Documents 17
- 2 Overview 19
- 3 Modem Features 23
- 3.1.2 Multipair operation 24
- 3.1.4 Power Backoff 26
- 3.1.7 Wetting Current 28
- 3.1.8 Master / Slave 29
- 3.1.9 DSL Clocking 29
- 3.2.1 Ethernet over DSL 29
- 3.2.2 Ethernet Bridging 30
- 3.2.4 VLANs 31
- 3.2.5 VLAN Examples 31
- 3.2.7 Stacked VLANs 35
- 3.3.1 Ethernet over DSL 41
- 3.3.2 VLAN features 41
- 3.3.4 Cisco HDLC 42
- 3.4 Firmware update 43
- 3.5 Management 43
- DISCONNECT 45
- 3.7 Test loops 48
- 3.8 Password protection 49
- 4 Powering 51
- 5 LEDs and Alarms 53
- 5.2 Tabletop LEDs 54
- 5.3 Alarm Conditions 55
- 5.4 Alarm Relays 55
- 5.5 Initialization Errors 56
- 6 The Monitor 57
- 6.2 Addressing of Plug-ins 58
- 6.3 Naming of ports 59
- 6.4 Telnet Access 59
- 6.5.1 Welcome Screen 60
- 6.5.2 Menus 60
- 6.5.4 Tab completion 61
- 6.5.5 Help 61
- 6.5.6 Command History 61
- 6.5.7 Continuous Displays 62
- 7.1 Introduction 63
- 7.2.1 General Commands 64
- DEFAULT Configuration 66
- 7.3.1 Diagnostic 89
- 7.3.2 Status (Plug-in) 90
- 7.3.3 Status (Tabletop) 92
- 7.3.4 Alarms 93
- 7.3.5 Test loops 95
- 7.3.6 Reset Commands 95
- 7.4.1 G.826 Statistics 96
- 7.4.2 Ethernet Statistics 97
- 7.5.1 Connection control 100
- 7.5.2 Inventory 100
- 7.5.3 Password 101
- 7.5.4 Firmware Update 103
- 8 SNMP 105
- ENTITIY-MIB 106
- 8.1.3 SNMP Configuration 107
- 8.1.4 The Entity MIB 107
- 8.1.6 The ifTable 109
- 8.2 MIB Reference 110
- 8.2.5 RMON (RFC 2819) 111
- 8.2.6 IF MIB (RFC 2863) 111
- 8.2.11 MAU MIB (RFC 3636) 112
- 8.2.15 HDSL MIB 114
- 8.2.16 Schmid MIB 115
- 8.2.17 Watson MIB 115
- 9 Front and Rear Panels 117
- 10 Connectors and Cables 119
- 10.2 DSL Interface 121
- 10.2.2 DSL Cable 122
- 10.3 Ethernet Interface 123
- 10.4 Monitor Interface 123
- 10.5 Power and Grounding 124
- 11.1 Interfaces 127
- 11.2 Power Consumption 128
- 11.3 Ethernet 128
- 11.5 Management Functions 129
- 11.6 MTBF 129
- 11.7 Environment 130
- 12 Terminology 131
- 13 Product Order Codes 133
- Revision: 2010-01-20 134
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