Chapter 1 Product Overview
Supervisor Modules
Se 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 ck - d o c @ c i s c o . c o m .
If the kernel service cannot perform a warm restart of the process, it issues a cold restart.
•A nondisruptive switchover from the active supervisor to a redundant standby without loss of traffic.
If the supervisor module has to be restarted, then the secondary supervisor (which is continuously monitoring the primary) takes over. Once a switchover has occurred and the failed supervisor has been replaced or restarted, operation does not switch back to the original primary supervisor, unless it is forced to switch back or another failure occurs.
Crossbar Switching Fabric
The Cisco MDS 9500 Series supervisor modules provide an integrated crossbar switching fabric to connect all the switching modules. Single fabric configurations provide
The Cisco MDS 9500 Series supports redundant supervisor modules. Upon power up with slots 5 and 6 active, the supervisors negotiate to determine which one is active and which is the standby supervisor.
Each supervisor exchanges its own status and updates the signal quality error (SQE) status periodically. If the active supervisor becomes disabled, the standby supervisor switches over to become the active supervisor.
Dual supervisor modules provide dual crossbar switching fabrics for redundancy.
Processor
The
Memory | Bytes |
|
|
DRAM | 1 GB |
|
|
1 internal CompactFlash card1 | 512 MB |
1 external CompactFlash slot2 | NA3 |
1.The card stores software images.
2.The slot is for optional cards to store additional images, and for configuration, debugging, and syslog information.
3.NA = not applicable.
Port Interfaces
The
•
–Configure the Cisco MDS 9500 Series from the CLI
–Monitor network statistics and errors
–Configure SNMP agent parameters
•MGMT 10/100 Ethernet port with an
•
| Cisco MDS 9500 Series Hardware Installation Guide |