enable a port on a 3com switch

Dell Dell latitude d400, d500, d600, d80...
February 10, 2012 at 05:58:38
Specs: Windows 7, 2.4GHz /2Gb
3com ethernet switch 4200 series
By mistake, i used the web console to disable all the ports on the switch. There was a very good reason to disable all the ports, but i shouldn't have disabled Port 26, which was a communication port between switches. Of course, i can't contact the web interface for the switch. So i will have to console into the switch

Please, what is the command required to re-enable the port(s).
i did download a 3com command line guide, but there is just too many and the explanation is also unclear. i understand the obvious 'no shutdown' is not used for enabling or disabling ports on the ethernet switch


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#1
February 10, 2012 at 07:28:49
If you've left the switch set to it's default with VLAN 1 being the only VLAN on it, you should be able to plug into any port on the switch, give your computer/laptop an IP in the same subnet as your switch and then be able to either telnet or http into the switch from your computer.

Your switch does have an IP doesn't it?


The only 3com I have left is a 4400. I suspect the interface (and commands) are the same so if you can't http directly into the switch then let me know and I'll dig it out and find a null modem cable to console in and then I'll have a quick look at how to reenable your interface.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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#2
February 10, 2012 at 08:01:57
OK had a colleague with the answer...here is is
You will need to console into the switch i think the bits per second is 19200 using hyperterminal. Everything else is default
username admin, password, whatever you set, default is blank
Menu option
PhysicalInterface (type ph press enter)
Menu option
ethernet (type e press enter)
Menu option
portState (type portst press enter)
Menu option
Select Ethernet ports (unit:port...,?): 1:1-26
press enter
Enter new value (enable,disable)[disable]:enable
tested and it works


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#3
February 10, 2012 at 08:06:54
to answer the question left by CurtR
The switch has an IP address 192.168.1.254
There is only one vlan, vlan1
I did as you suggested and disabled all the ports from the web interface. So you couldn't ping the vlan 1 IP anymore. More to the point all network connections to the switch were lost. So i can't use the method you suggested. The interface is enabled, it is the ports that are not enabled.

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#4
February 14, 2012 at 07:23:20
You really need to pay more attention.

Nowhere in my post did I say to disable all the ports from the web interface.

If you haven't fixed your booboo yet, just connect through the console and enable all the ports again.

The correct Terminal settings are 9600, 8 bit, parity = none/no, 1.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***


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