Ethernet Switches & Routers

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Occasional Contributor
Posts: 12
Registered: ‎02-01-2011

Inactive port - FCX 648S

I just fired up a fcx-648s switch and I noticed that port 1/1/1 is inactive when you try to use it.

I am currently using the fiber port 1/1/1 as my uplink to the core router because thats what the 'sh int' and logs

reported was connected.

How do I get the switch to enable the copper port 1/1/1

Hardware:

stack unit 1

module 1 fcx-48-port management module

module 2 fcx-cx4-2-port-16g-module

Any feedback would be appreciated.

Super Contributor
Posts: 1,087
Registered: ‎12-13-2009

Re: Inactive port - FCX 648S

please post the results of a 'show int bri'

If the port has been disabled, then use 'enable' to reenable the port formthe interface leve.

e.g.

Switch#con t

Switch(config)# interface e 1/1/1/

switch(if)#enable

Also check th elink lights and if using BX optics confirm you have the right side coneencted.

Thanks

Michael.

Occasional Contributor
Posts: 12
Registered: ‎02-01-2011

Re: Inactive port - FCX 648S

If notice there are 1/2/1 and 1/2/2.. I suspect these are the fiber ports?

But why does it show the fiber on 1/1/1??

'sh int br' below:

Port   Link    State     Dupl Speed Trunk Tag Pri MAC            Name
1/1/1  Up      Forward   Full 1G    None  Yes 0   0024.3815.2640  Connect-922
1/1/2  Down    None      None None  None  No  0   0024.3815.2641
1/1/3  Down    None      None None  None  No  0   0024.3815.2642
1/1/4  Down    None      None None  None  No  0   0024.3815.2643
1/1/5  Up      Forward   Full 1G    None  No  0   0024.3815.2644
1/1/6  Down    None      None None  None  No  0   0024.3815.2645
1/1/7  Up      Forward   Full 1G    None  No  0   0024.3815.2646
1/1/8  Down    None      None None  None  No  0   0024.3815.2647
1/1/9  Down    None      None None  None  No  0   0024.3815.2648
1/1/10 Down    None      None None  None  No  0   0024.3815.2649
1/1/11 Down    None      None None  None  No  0   0024.3815.264a
1/1/12 Down    None      None None  None  No  0   0024.3815.264b
1/1/13 Up      Forward   Full 1G    None  No  0   0024.3815.264c
1/1/14 Down    None      None None  None  No  0   0024.3815.264d
1/1/15 Up      Forward   Full 1G    None  No  0   0024.3815.264e
1/1/16 Down    None      None None  None  No  0   0024.3815.264f
1/1/17 Up      Forward   Full 1G    None  No  0   0024.3815.2650
1/1/18 Down    None      None None  None  No  0   0024.3815.2651
1/1/19 Up      Forward   Full 1G    None  No  0   0024.3815.2652
1/1/20 Down    None      None None  None  No  0   0024.3815.2653
1/1/21 Down    None      None None  None  No  0   0024.3815.2654
1/1/22 Up      Forward   Full 1G    None  No  0   0024.3815.2655
1/1/23 Down    None      None None  None  No  0   0024.3815.2656
1/1/24 Down    None      None None  None  No  0   0024.3815.2657
1/1/25 Down    None      None None  None  No  0   0024.3815.2658
1/1/26 Up      Forward   Full 1G    None  No  0   0024.3815.2659
1/1/27 Up      Forward   Full 1G    None  No  0   0024.3815.265a
1/1/28 Down    None      None None  None  No  0   0024.3815.265b
1/1/29 Down    None      None None  None  No  0   0024.3815.265c
1/1/30 Down    None      None None  None  No  0   0024.3815.265d
1/1/31 Up      Forward   Full 1G    None  No  0   0024.3815.265e
1/1/32 Down    None      None None  None  No  0   0024.3815.265f
1/1/33 Up      Forward   Full 1G    None  No  0   0024.3815.2660
1/1/34 Down    None      None None  None  No  0   0024.3815.2661
1/1/35 Up      Forward   Full 1G    None  No  0   0024.3815.2662
1/1/36 Up      Forward   Full 100M  None  No  0   0024.3815.2663
1/1/37 Down    None      None None  None  No  0   0024.3815.2664
1/1/38 Up      Forward   Half 10M   None  No  0   0024.3815.2665
1/1/39 Down    None      None None  None  No  0   0024.3815.2666
1/1/40 Down    None      None None  None  No  0   0024.3815.2667
1/1/41 Down    None      None None  None  No  0   0024.3815.2668
1/1/42 Down    None      None None  None  No  0   0024.3815.2669
1/1/43 Up      Forward   Full 1G    None  No  0   0024.3815.266a
1/1/44 Down    None      None None  None  No  0   0024.3815.266b
1/1/45 Down    None      None None  None  No  0   0024.3815.266c
1/1/46 Down    None      None None  None  No  0   0024.3815.266d
1/1/47 Up      Forward   Full 100M  None  No  0   0024.3815.266e
1/1/48 Up      Forward   Full 1G    None  No  0   0024.3815.266f
1/2/1  Down    None      None None  None  No  0   0024.3815.2671
1/2/2  Down    None      None None  None  No  0   0024.3815.2672
mgmt1  Down    None      None None  None  No  0   0024.3815.2670

Contributor
Posts: 50
Registered: ‎01-07-2011

Re: Inactive port - FCX 648S

These are the two stack ports located on the back of an FCX-S. Through configuration, these ports can be used as 10 Gbps interfaces if you are not going to use them as stack ports.

Contributor
Posts: 54
Registered: ‎01-27-2010

Re: Inactive port - FCX 648S

Ports 1 thru 4 on the FCX648S are fiber OR copper, but not both at once.  You get a total of 48 active front-panel network connections, of which four can be either SFP (generally fiber) or 1000TX (copper).  You will always have to leave four ports unused, slightly confusingly.  But it's not advertised as a 52-port switch :-).

The 1/2/1 and 1/2/2 are the rear panel 16GB ports for stacking FCXs using the provided CX4 (Infiniband and SAS) cable.

mgmt1 is the rear-panel ethernet port  (I assume it's 10/100/1000 but I'm not certain).

Paul

Super Contributor
Posts: 1,087
Registered: ‎12-13-2009

Re: Inactive port - FCX 648S

Hi cedric,

          Ok you have the uplink connected into port 1/1/1, and this port is showing it as up and also is a TAGed port.

          When you say it is inactive, what are you seeing?

          If you do a 'show interface eth 1/1/1' are you see the the traffic counts going up?

          Also please check the other switch that the FCX is connecting too also has it port TAGed for the VLAN you need to carry.

          Also as stated ports 1-4 are combo ports (make sure you do not have anything plugged into the Copper RJ-45 port mark as port 1.  The system will disable the copper port when an SFP is plugged into the port 1 SFP slot, but making sure that no UTP is connected will stop other people from trying to patch something into it and wonder why is does not work

Thanks

Michael.

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