S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
SAN Extension Support on the SSN-16
Starting with MDS NX-OS Release 4.2(1a), you can deploy Fibre Channel Interface Protocol (FCIP) on
the new 16-port Storage Services Node (SSN-16). The performance per slot is four times greater for
FCIP on the SSN-16 as compared to the MSM-18/4 module. The SSN-16 provides as many Gigabit
Ethernet ports as four MSM-18/4 modules.
SAN Extension support on the SSN-16 requires the SAN Extension over IP license.
In addition, the SSN-16 supports the SME tape feature in MDS NX-OS Release 4.2(1a). The SME tape
feature on the SSN-16 requires the SME license.
Where Documented
For information about FCIP on the SSN-16, see the Cisco MDS 9000 Family NX-OS IP Services
Configuration Guide.
For information about the SME tape feature on the SSN-16, see the Cisco MDS 9000 Family Storage
Media Encryption Configuration Guide.
For hardware information about the SSN-16, see the Cisco MDS 9500 Series Hardware Installation
Guide and the Cisco MDS 9200 Series Hardware Installation Guide.
Port Group Monitoring
The new port-group-monitor command allows you to monitor port groups that go above and below a
configurable bandwidth threshold. When the traffic for a particular port group reaches 80 percent of the
maximum supported bandwidth for that port group (rx and tx), NX-OS generates a syslog message that
identifies individual port bandwidth (for rx and tx). A syslog message is generated for a rising threshold
and for a falling threshold. When port group monitoring is enabled, monitoring occurs every ten seconds.
Where Documented
For information about the port group monitoring feature, see the Cisco MDS 9000 Family NX-OS
Interfaces Configuration Guide.
X2 Transceiver Support on the MDS 9134 Fabric Switch
Starting with MDS NX-OS Release 4.2(1a), the MDS 9134 Fabric Switch supports the 10-Gbps Ethernet
DWDM Transceiver and the 10G-Gbps Ethernet Transceiver X2 pluggable modules.
Where Documented
For information about the X2 transceiver support on the MDS 9134 Switch, see the Cisco MDS 9100
Series Hardware Installation Guide.
Hardware Changes
This section describes hardware changes associated with NX-OS Release 4.2(1a).
OL-19964-02
Cisco MDS 9000 Family Release Notes for Cisco MDS NX-OS Release 4.2(1a)
New Features in Cisco MDS NX-OS Release 4.2(1a)
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