HP 5412zl core switch - need IP address to access it

[winng]

Hi, following a hectic and troublesome two weeks where we have flattened the network and removed all the vlans to get a fresh start, I'm okay apart from the ability to access the core switch to delete the unnecessary vlans, amend the subnet mask and untag all the ports.

 

I could do this prior to the 'reset' and can still telent all other switches onsite but this one has gone red in ProCurve Manager and no longer appears to reside on the IP address it had before.

 

I've been googling and searching forums trying to locate any reference to its default IP address, much like a router is 192.168.0.1, etc. but to no avail.

 

Anyone able to help me get back in touch with my core?

 

PS connected my laptop via USB adaptor to the switch (used this before it was 'reset')

 

Thanks

[Steve21]

Have you tried just using putty if you're connected via console?

 

Steve

[ITGURU]

Does it have a serial port? With our Switches you can boot them up with serial cable attached using HyperTerminal to view the switch details.

[Jawloms]

If it's been reset, won't it have picked up an IP from your DHCP server? Is it worth checking your DHCP leases?

 

Stuart

[winng]

Thanks for your feedback so far.

 

I'm trying to use putty which I have done in the past.

 

The only port is marked as console on the front, top right, like a vga connection - which I'm plugged into with my usb adapter.

 

It's not showing up, not that I can see, on dhcp?

[Steve21]

Did you check what COM port you're connecting on with the USB adapter? And baud 9600 etc? Might be worth hitting the enter key a few times too if you mean it connect sbut it's blank, as seems some need action before they respond

 

Steve

[ITGURU]

Try HyperTerminal but you may need to find the docs for HP kit as you may need to change baud rates etc in the settings. As long as you know the login details you will be able to login to the switch and then find the IP address.

 

I would do it the same way, serial connection to a usb2serial adapter to a laptop.

 

Usually switches come with a static default IP if they are reset.

[winng]

Try HyperTerminal but you may need to find the docs for HP kit as you may need to change baud rates etc in the settings. As long as you know the login details you will be able to login to the switch and then find the IP address.

 

I would do it the same way, serial connection to a usb2serial adapter to a laptop.

 

Usually switches come with a static default IP if they are reset.

 

 

And it's the latter default IP i'm after.....

[ITGURU]

And it's the latter default IP i'm after.....

Shouldn't matter either way, with hyperterminal you don't need to know the existing IP - hyperterminal is a direct console connection so you can login to the switch without knowing it's IP>

 

Once logged in a command should let you view the info. On D-Link is is show switch that lists it's IP but HP will be different I imagine.

[ITGURU]

And it's the latter default IP i'm after.....

 

For HP, once connected correctly with hyperterminal and on the prompt, try the following:

 

 

1. Type “menu”, hit Enter
   
2. Select “Switch Configuration”
   
3. Select “IP Configuration”
   
4. Navigate to Edit, hit Enter
   
5. Change the IP and then Save
   

[winng]

I'm still unable to connect to my core switch despite trying HyperTerminal, Putty, etc. using COM1, default settings.

 

I called HP Support but they were not able to help either!

 

Basically, I want to lose all the VLAN's (apart from the default one) and untag all the ports. How else can I achieve this?

[ITGURU]

I'm still unable to connect to my core switch despite trying HyperTerminal, Putty, etc. using COM1, default settings.

 

I called HP Support but they were not able to help either!

 

Basically, I want to lose all the VLAN's (apart from the default one) and untag all the ports. How else can I achieve this?

 

HP Support is the best thing since sliced bread!!! When I ring up to replace a failed SAS Server drive they say, please can you run the diagnostics and provide me with the file in case it's an array issue and not the drive.

Best one ever was when had a Digital camera that the battery was faulty and didn't charge- they told me I needed to insert the battery into the camera, switch it and go into the camera menu to do a reset. I don't think they understood that I couldn't because the battery was dead!!

[Steve21]

I'm still unable to connect to my core switch despite trying HyperTerminal, Putty, etc. using COM1, default settings.

 

Did you check you're actually using COM1 if it's a virtual port?

 

Steve

[kennysarmy]

I'm still unable to connect to my core switch despite trying HyperTerminal, Putty, etc. using COM1, default settings.

 

I called HP Support but they were not able to help either!

 

Basically, I want to lose all the VLAN's (apart from the default one) and untag all the ports. How else can I achieve this?

 

Can you connect a laptop via network cable and run an IP scanner until it finds the IP address connected?

I've had to do this in the past.

 

I think I've used something like angry ip scanner.

 

Angry IP Scanner - the original IP scanner for Windows, Mac and Linux

 

Good luck

[Davit2005]

I'm still unable to connect to my core switch despite trying HyperTerminal, Putty, etc. using COM1, default settings.

 

I called HP Support but they were not able to help either!

 

Basically, I want to lose all the VLAN's (apart from the default one) and untag all the ports. How else can I achieve this?

 

Once you have connected the USB to your laptop check in device manager what COM port it is.

 

Open putty, select serial and then change the com port.

 

On a 5412, surely they should have an RJ45 not a 9pin serial connection (DB9)

 

Make sure the serial is using 9600 baud, Data bits 8, Stop Bits 1, Parity None and Flow control can be none. Basically Cisco console settings should work.

 

Maybe the person who changed the IP address did not save it and on a reboot it went back to startup config, hence now not same IP for management vlan.

Edited November 14, 2016 by Davit2005

[winng]

Can you connect a laptop via network cable and run an IP scanner until it finds the IP address connected?

I've had to do this in the past.

 

I think I've used something like angry ip scanner.

 

Angry IP Scanner - the original IP scanner for Windows, Mac and Linux

 

Good luck

 

I've just plugged into a spare port on the switch and run Angry IP which showed me the IP address range 169.254.0.0 to 169.254.255.255 ?

 

Does that mean my switch is one of these addresses?

[ITGURU]

I've just plugged into a spare port on the switch and run Angry IP which showed me the IP address range 169.254.0.0 to 169.254.255.255 ?

 

Does that mean my switch is one of these addresses?

 

Your switch won't be able to give your laptop/pc an IP address as 169. is a local address. You would need to give your computer a static IP address to be able to find it but not sure what IP/subnet you would need to give it for your setup.

[kennysarmy]

Your switch won't be able to give your laptop/pc an IP address as 169. is a local address. You would need to give your computer a static IP address to be able to find it but not sure what IP/subnet you would need to give it for your setup.

 

Exactly.

 

So start with the more likely IP address range that the switch might have.

 

eg.

 

If 10.107.80.254 is one of your vlans then set your laptop to 10.107.80.1 and scan from there up.

[Michael]

I'm surprised no one's suggested this, but locate the Mac address on the switch. Typically HP's have it written on the rear or underside, then locate said Mac address in DHCP server, providing it's connected to DHCP somewhere?

 

As above a 169 address is typically what happens when a DHCP server cannot be located. It self offers it a 169 address, many devices do this.

[kennysarmy]

I'm surprised no one's suggested this, but locate the Mac address on the switch. Typically HP's have it written on the rear or underside, then locate said Mac address in DHCP server, providing it's connected to DHCP somewhere?

 

As above a 169 address is typically what happens when a DHCP server cannot be located. It self offers it a 169 address, many devices do this.

 

I thought the OP said he could n't locate it in DHCP....

[Michael]

Then surely it means the VLANs are still active, providing an Ethernet cable is connected somewhere?

 

I'd have thought doing a hard reset would erase all configurations, including VLANs?

[kennysarmy]

Then surely it means the VLANs are still active, providing an Ethernet cable is connected somewhere?

 

I'd have thought doing a hard reset would erase all configurations, including VLANs?

 

That would be my understanding of a hard reset too - and the device would then either go DHCP or have a factory set IP.

[Michael]

I'd have thought most Enterprise HP kit would search for DHCP, then failing that revert to static or indeed 169 as what appears to be happening.

 

Not sure how long you need to hold down the pin reset for. I'd suggest consulting the manual, but sometimes you have to hold it down, wait for the device to reset and continue holding for maybe another 30 seconds after it's booted.

[winng]

I'm surprised no one's suggested this, but locate the Mac address on the switch. Typically HP's have it written on the rear or underside, then locate said Mac address in DHCP server, providing it's connected to DHCP somewhere?

 

As above a 169 address is typically what happens when a DHCP server cannot be located. It self offers it a 169 address, many devices do this.

 

Seems like something I can do.... however, the MAC address does not show in DHCP, maybe because it's got an address in the range not shared in DHCP?

 

10.56.132.?? is used for servers, switches, etc. and 10.56.133.1 to 10.56.135.254 is for DHCP.

 

Close, but no cigar!

 

- - - Updated - - -

 

I'd have thought most Enterprise HP kit would search for DHCP, then failing that revert to static or indeed 169 as what appears to be happening.

 

Not sure how long you need to hold down the pin reset for. I'd suggest consulting the manual, but sometimes you have to hold it down, wait for the device to reset and continue holding for maybe another 30 seconds after it's booted.

 

Okay, I'll give this another go once the kids have left for the day.....

[Michael]

I'd expect a core switch to have a static IP config, so yes, it would never show in DHCP; unless you reserved it of course

 

Gut instinct is you haven't held down the reset pin long enough or until it starts flashing again after a reset. Mr paperclip definitely comes handy in these situations