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Watson-Ethernet-Manual.doc
Version 3.3-01
Watson Ethernet
Operating Manual
Revision: 2010-01-20
3-9
3) Transparent bridging with inband management. This mode is equivalent to
the Transparent bridging mode but allows inband management through the
DSL spans, cf. 3.5.5.
The bridging modes are controlled by the BRIDGEMODE Monitor command.
3.2.3 MAC Defect Signaling
The operating status of DSL Spans and remote Ethernet interfaces can be linked
to the status of the local Ethernet interfaces through MAC Defect Signaling
(MDS).
If MDS is active then the Ethernet User Interfaces will be disabled if
the DSL span is not synchronized OR
the Ethernet User interface at the remote end is not active (LKINT alarm from
the remote side)
There is a fixed association between DSL spans and Ethernet interfaces for MDS
(DSL1 is associated with ETH1, DSL2 with ETH2 etc.). This association is inde-
pendent of the currently configured BRIDGEMODE.
MDS can be enabled and disabled individually per Ethernet interface with the
MDS Monitor command.
3.2.4 VLANs
The Watson Ethernet plug-in supports VLAN functions according to IEEE
802.1q. Each of the Ethernet bridge ports (ETH1 .. ETH4, DSL1 .. DSL4,
MGMT3) can be member of one or several VLANs. The maximum number of
VLANs is 64. Each VLAN has a VLAN Identifier (VID) between 1 and 4094.
Upon reception of an Ethernet packet at a port its VID is checked against the
VIDs of all VLANs this port is a member of. Packets that do not carry one of
these VIDs will be discarded.
For untagged packets the default VID for the port is used to determine VLAN
membership.
Packets are only forwarded to ports that are a member of the VLAN of this pack-
et.
Upon transmission the packet will be tagged with the VLAN tag originally re-
ceived. If the packet was untagged then the default tag of the receiving port is
added to the packet. The port can also be configured to send the packets un-
tagged.
3.2.5 VLAN Examples
VLANs are always used within the Watson Ethernet plug-in to segregate traffic
from different ports. This is true even when no VLAN tags are present on packets
ingressing or egressing the plug-in.
Figure 3-6 below shows a simple VLAN configuration example. Both on the DSL
and on the Ethernet side untagged packets are used. On the Watson Ethernet
plug-in four VLANs (VLAN 1, VLAN 2, VLAN 3 and VLAN 4) are configured. De-
pending on its ingress port each packet gets a default tag between 1 and 4. This
tag is then used to switch the packet to the correct egress port, effectively con-
- 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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