802 Posts

July 10th, 2012 12:00

Stacking on the 62xx series is accomplished by installing stacking modules into Bay 1 only on the left rear lf the chassis at ports XG1 and XG2.

• Unit 1 and Unit 2 are connected through the XG1 ports on each switch.

• Unit 2 and Unit 3 are connected through the XG2 ports on each switch.

• Unit 1 and Unit 4 are connected through the XG2 port on Unit 1 and the XG1 port on Unit 4.

 

The resulting ring topology allows the entire stack to function as a single switch with resilient fail-over

capabilities.

 

The PC6200 switches when stacked require that the same version of

firmware be installed on every switch member.

July 10th, 2012 12:00

Forgot to include the output of Show Switch

Brian

 

IOD036#show switch

   Management Standby   Preconfig     Plugged-in    Switch        Code

SW  Status     Status    Model ID      Model ID      Status        Version

--- ---------- --------- ------------- ------------- ------------- -----------

1   Stack Mbr  Oper Stby PCT6248       PCT6248       OK            3.3.2.3

2   Stack Mbr            PCT6248P      PCT6248P      OK            3.3.2.3

3   Mgmt Sw              PCT6248       PCT6248       OK            3.3.2.3

July 11th, 2012 01:00

Hi Willy,

Thanks for the response.

OK, so I won't be able to add the new switch to the stack - but I should still be able to get ethernet connectivity across the switches using the SFP+ modules, but I can't seem to get any information from the switch that the SFP+ modules & transcievers are recognised as installed.

I tried to get a 1 GB link up by inserting the transcievers into the dual personality ports on both switches, but this didn't work either - I should be able to connect the switches this way shouldn't I?

Is there any configuration required to get the switch to use the SFP port instead of the 1000Base T port?

Brian

July 11th, 2012 02:00

OK, some progress... at least I now know that both switchs can see the transceivers, but I don't have any signal.

The output from the existing stack:

================================================================

IOD036#show fiber-ports optical-transceiver

                                   Output    Input
Port     Temp  Voltage  Current     Power    Power   TX     LOS
          :emotion-44:   [Volt]     [mA]     [dBm]    [dBm]   Fault
-------  ----  -------  -------   -------  -------   -----  ---
2/g47    27.9    3.307      7.5    -3.087  -40.000   No     Yes

 Temp - Internally measured transceiver temperatures.
 Voltage - Internally measured supply voltage.
 Current - Measured TX bias current.
 Output Power - Measured optical output power relative to 1mW.
 Input Power - Measured optical power received relative to 1mW.
 TX Fault - Transmitter fault.
 LOS - Loss of signal.

================================================================

 

The output from the new switch:

 

================================================================

IOD038#show fiber-ports optical-transceiver

                                   Output    Input
Port     Temp  Voltage  Current     Power    Power   TX     LOS
          :emotion-44:   [Volt]     [mA]     [dBm]    [dBm]   Fault
-------  ----  -------  -------   -------  -------   -----  ---
1/g24    29.7    3.343      7.5    -2.142  -40.000   No     Yes

 Temp - Internally measured transceiver temperatures.
 Voltage - Internally measured supply voltage.
 Current - Measured TX bias current.
 Output Power - Measured optical output power relative to 1mW.
 Input Power - Measured optical power received relative to 1mW.
 TX Fault - Transmitter fault.
 LOS - Loss of signal.

================================================================

July 11th, 2012 07:00

OK, turns that there seems to be a problem with the fibre run (newly installed and tested) between the buildings.

I moved the new switch adjacent to the existing stack, and just used a fibre patch cable to connect them and this works.

When connected using the SFP ports on the front of the switches, I get:

 

IOD036#show fiber-ports optical-transceiver

                                   Output    Input
Port     Temp  Voltage  Current     Power    Power   TX     LOS
          :emotion-44:   [Volt]     [mA]     [dBm]    [dBm]   Fault
-------  ----  -------  -------   -------  -------   -----  ---
2/g47    30.7    3.307      7.7    -3.028   -2.055   No     No

 Temp - Internally measured transceiver temperatures.
 Voltage - Internally measured supply voltage.
 Current - Measured TX bias current.
 Output Power - Measured optical output power relative to 1mW.
 Input Power - Measured optical power received relative to 1mW.
 TX Fault - Transmitter fault.
 LOS - Loss of signal.

 

and

 

IOD038#show fiber-ports optical-transceiver

                                  Output    Input

Port     Temp  Voltage  Current     Power    Power   TX     LOS

         :emotion-44:   [Volt]     [mA]     [dBm]    [dBm]   Fault

-------  ----  -------  -------   -------  -------   -----  ---

1/g24    30.9    3.343      7.8    -2.124   -2.372   No     No

Temp - Internally measured transceiver temperatures.

Voltage - Internally measured supply voltage.

Current - Measured TX bias current.

Output Power - Measured optical output power relative to 1mW.

Input Power - Measured optical power received relative to 1mW.

TX Fault - Transmitter fault.

LOS - Loss of signal.

When connecting using the SFP+ modules at the back of the switch, I get:

IOD036#show stack-port

                      Configured  Running
                        Stack      Stack      Link       Link
Unit    Interface       Mode       Mode       Status     Speed (Gb/s)
---- ---------------- ---------- ---------- ------------ ------------
1    xg1              Stack      Stack      Link Up      12
1    xg2              Stack      Stack      Link Up      12
1    xg3              Ethernet   Ethernet   Link Down    Unknown
1    xg4              Ethernet   Ethernet   Link Down    Unknown
2    xg1              Stack      Stack      Link Up      12
2    xg2              Stack      Stack      Link Up      12
2    xg3              Ethernet   Ethernet   Link Up      10
2    xg4              Ethernet   Ethernet   Link Down    Unknown
3    xg1              Stack      Stack      Link Up      12
3    xg2              Stack      Stack      Link Up      12
3    xg3              Ethernet   Ethernet   Link Down    Unknown
3    xg4              Ethernet   Ethernet   Link Down    Unknown

and

IOD038#show stack-port

                      Configured  Running
                        Stack      Stack      Link       Link
Unit    Interface       Mode       Mode       Status     Speed (Gb/s)
---- ---------------- ---------- ---------- ------------ ------------
1    xg1              Ethernet   Ethernet   Link Up      10
1    xg2              Ethernet   Ethernet   Link Down    Unknown
1    xg3              Ethernet   Ethernet   Link Down    Unknown
1    xg4              Ethernet   Ethernet   Link Down    Unknown

So now I just need to figure out why it won't work across the fibre run / fibre patch panels.

Brian

July 17th, 2012 05:00

Sometimes it's the simple things that catch you.

The problem working across the fibre run between the buildings was caused by a mix up with cross over & straight through fibre patch cables.

Brian

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