9500 MXC User Manual
3DB 23063 ADAA - Rev 004 July 2007 Vol. IV-7-57
DAC GE Configuration
The DAC GE supports Gigabit Ethernet with three RJ-45 customer ports for 10/
100/1000Base-T and one SFP (Small Form-factor Pluggable) port, which is
installed with an optical transceiver for 1000Base-LX (LC connectors).
The DAC GE supports:
• Transparent (broadcast), mixed, or VLAN switch fabrics
• NxE1, NxDS1, or NxSTM1/OC3 transport channels
• Layer 2 link aggregation (802.3ad), and layer 1 link aggregation
•RWPR
TM
enhanced RSTP (802.1d)
• VLAN tagging (VID and priority mapping)
• Port and QoS options
• Flow control (802.3x)
• Jumbo frames to 9600 bytes
With the DAC GE one 9500 MXC Node supports maximum Ethernet bandwidth
assignments of:
• 204 Mbps with an NxE1 / 2.048 Mbps backplane
• 196 Mbps with and NxDS1 / 1.544 Mbps backplane
• 310 Mbps with an STM1 / 155 Mbps backplane
A DAC GE may be linked to a DAC ES or IDU ES when configured for NxE1 or
NxDS1 operation.
DAC GE RSTP operation within a ring/mesh network is currently restricted to
using only DAC GEs - all RSTP switches within the network must be DAC GE.
(Interoperation with 3rd party L2 switches has not been tested, hence is currently
not supported).
For information on link aggregation options and operation refer to Link
Aggregation on page 7-76. For information on the associated Link Status
Propagation feature, refer to Link Status Propagation Operational Characteristics
on page 7-81.
DAC GE Configuration Screen
Figure 7-12 shows an example of a DAC GE Plug-ins screen, which apart from
the Link Aggregation, Transport Channel Encoding, and RWPR options is
similar in appearance to DAC ES.
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