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March 12th, 2012 12:00

Powerconnect 7048 with cx4 module, combo port not working

Hi

I have 2 powerconnect 7048 switches with a CX4 module. I have 2 vlan:

vlan1 port 1 to 24 and vlan 2 25 to 48, but when I plug something in the port 45 to 48, these ports are not working. I see the status as up but when I try to ping something pluged in these ports, nothing reply.

Thanks

DS

5 Practitioner

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274.2K Posts

March 12th, 2012 14:00

Is it this way with just one of the 7048 switches, or both of them act this way?

I would start by checking the configuration on port 45 with the configuration on port 44, a stare and compare kind of thing. You can do a show command for each port to compare them.

It is always a good idea to double check and make sure the firmware is up to date also.

www.dell.com/.../DriverFileFormats

Looking at this documentation I don’t see anything about the module installed disabling any ports, so I don't think it would affect things.

www.google.com/url

Keep us updated on what you find.

Thanks

26 Posts

March 12th, 2012 14:00

Hi, this is the config, I do not see something difference:

console>show interfaces configuration gigabitethernet 1/0/44

Port       Type                            Duplex  Speed    Neg   Admin

                                                                 State

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

Gi1/0/44   Gigabit - Level                 Full    1000     Auto  Up

Flow Control:Enabled

console>show interfaces configuration gigabitethernet 1/0/45

Port       Type                            Duplex  Speed    Neg   Admin

                                                                 State

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

Gi1/0/45   Gigabit - Level                 Full    1000     Auto  Up

Flow Control:Enabled

console>show interfaces status gigabitethernet 1/0/44

Port       Name                       Duplex  Speed    Neg   Link   Flow Control

                                                            State  Status

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

Gi1/0/44                              Full    1000     Auto  Up     Active

Flow Control:Enabled

console>show interfaces status gigabitethernet 1/0/45

Port       Name                       Duplex  Speed    Neg   Link   Flow Control

                                                            State  Status

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

Gi1/0/45                              Full    1000     Auto  Up     Active

Flow Control:Enabled

Thanks

26 Posts

March 12th, 2012 16:00

I check the firmware and it is up-to-date

6 Posts

March 26th, 2012 14:00

We had the same problem with many 7048P switches. To fix the problem we had to upgrade to 4.2.0.4 software, and most importantly we had to hard set the media-type for the combo ports to work. In our situation we hard set the combo ports to RJ45 and the ports passed traffic. With older software, and the media type not set the combo ports were unreliable.

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