Forum Discussion

Aspirant

Jul 11, 2017

Can't ping hosts across SFP+ and RJ45 ports

I've recently bought a M4300-12X12F switch, which has 12 RJ45 ports and 12 SFP+ ports. I have some computers connected via RJ45 ports within the network, let's say 10.155.129.x/24 And now I hav...

Aspirant

Jul 12, 2017

3) fireware? firmware? what's fireware ?

2) yes, both can ping the switch

1) servers are in a data center, I can't CLI at the moment, but I have access to the management interface:

See the SFP+ is active, and many other RJ45 ports.

Below is port configurations

Below is the port stats of port 1.

Here is port stats of one of the many RJ45 ports:

See if these help.

Many thanks!

Retired_Member

Jul 12, 2017

kenjichanhkg

Sorry for the third question, I mean to check whether firewall enable on host or not. Is the firewall block ping response?

As both two hosts can ping Switch success, so the communication between Switch and host is OK.

kenjichanhkg
Aspirant
Jul 12, 2017
Hi Eric,

No firewall is there for sure.

Thanks,
Kenji
kenjichanhkg
Aspirant
Jul 12, 2017
Hi Eric,

New update! I found only the port 1 is not working, so now I just unplug it and plug into another port, everything is ok now.
But now the question is why? why only port 1?

I don't notice any difference in configuration.
Do you have any idea?

Thanks,
Kenji
- Retired_Member
  Jul 13, 2017
  kenjichanhkg
  
  We need to check port1 configuration more detailed.
  
  Could you please telnet to Switch and execute CLI command as below?
  
  1. show running-config interface 1/0/1
  
  2. show stack-port
  
  If you can't telnet to Switch, please show info via GUI:
  
  1. Web GUI go to 'System-->Stacking-->Advanced-->Stack-port Configuration'
  
  2. Web GUI go to 'Switching-->VLAN-->Advanced-->Port PVID Configuration'
  
  For further analysis, Could you please provide the config file of the Switch:
  
  How do I send config files from my Managed Switch to NETGEAR community moderators?
  
  http://kb.netgear.com/app/answers/detail/a_id/31439
  - kenjichanhkg
    Aspirant
    Jul 19, 2017
    I couldn't export the Text Config, it just didn't work, nothing downloading.
    Here are my screen captures.
    
    Thanks!