CLI Reference Guide-R05

Chapter 4 | System Management Commands
Switch Clustering
– 168 –
Switch Clustering
Switch Clustering is a method of grouping switches together to enable centralized
management through a single unit. Switches that support clustering can be
grouped together regardless of physical location or switch type, as long as they are
connected to the same local network.
Port Port identifier
Status Shows if reception/transmission of SSM is enabled or
disabled
Priority The selection priority determined by the manual
configuration or default setting
Tx SSM Shows transmitted Quality Level message type:
◆
QL-NONE: This port is not transmitting SSM or timeout
information
◆
QL-EEC1: Transmitting QL-EEC1
*
messages
◆
QL-EEC2: Transmitting QL-EEC2
*
messages
Rx SSM Shows received Quality Level message type:
◆
QL-NONE: This port is not receiving SSM or timeout
information
◆
QL-DNU: This port is receiving SSM code but has not
been chosen as the clock source port
◆
QL-EEC1: Receiving QL-EEC1
*
messages
◆
QL-EEC2: Receiving QL-EEC2
*
messages
* The performance characteristics of the Phase Lock Loops (PLL) used to receive and re-transmit
frequency synchronization signals in a SyncE chain are governed the ITU-T G.8262 standard. It
defines two possible PLL performance options: Ethernet Equipment Clock (EEC) Option 1 and
2. EEC Option 1 is based on the 2.048 kbps hierarchy governed by G.813 Option 1 which is used
in Europe and Asia. EEC Option 2 is based on the 1.544 kpbs hierarchy governed by G.812 Type
IV or Stratum 3 which is predominantly used in North America.
Table 27: show sync - display description for sync (Continued)
Field Description
Table 28: Switch Cluster Commands
Command Function Mode
cluster Configures clustering on the switch GC
cluster commander Configures the switch as a cluster Commander GC
cluster ip-pool Sets the cluster IP address pool for Members GC
cluster member Sets Candidate switches as cluster members GC
rcommand Provides configuration access to Member switches GC
show cluster Displays the switch clustering status PE
show cluster members Displays current cluster Members PE
show cluster candidates Displays current cluster Candidates in the network PE