dhcp-snooping with HP Procurve 2530

I have HP Procurve 2530, dhcp-snooping is not available. I type dhcp-? it returns with no such command. Does this option  not support with this model?
officertangoAsked:
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asavenerConnect With a Mentor Commented:
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asavenerCommented:
I do not see DHCP snooping listed in the available features for that series.

http://h17007.www1.hp.com/us/en/networking/products/switches/HP_2530_Switch_Series/index.aspx#Security
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TimotiStConnect With a Mentor Datacenter TechnicianCommented:
That sounds a bit unusual, I think the 2520 series had the feature.
The release note definitely mentions DHCP snooping fixes in several releases.
What firmware version are you running?

Tamas
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officertangoAuthor Commented:
I am running YA.15.10.0003 and it is a Procurve 2530.
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officertangoAuthor Commented:
I guess I am out off luck with these model, is there anything equivalent to dhcp-snooping?
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asavenerCommented:
A combination of physical and port security to keep rogue devices off of your network.  Still wouldn't block a trusted device from offering DHCP, though.
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officertangoAuthor Commented:
I just want to make that my usersr does not plug in a home router on Lan and hand out wrong IP on the network. I know dhcp-snooping stops that. If I can't use that than is there something equivalent to that?
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asavenerCommented:
I don't know the Procurve product line that well, unfortunately.

The suggestions I can think of, like port security and sticky MACs, require administrative engagement whenever a device changes ports.
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officertangoAuthor Commented:
I am not familiar with sticky MAC? what can I do with port security?

thanks in advance
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TimotiStDatacenter TechnicianCommented:
Well, the 25xx series are supposed to be the layer2 switches, and the 26xx is the "light layer3" line.
The 2500 and 2510 series couldn't do dhcp snooping, it's possible that even the 2530 won't be able to do layer3 level protection, in which case you're out of luck with it...
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asavenerCommented:
Again, I'm not sure if these features are available on this model.

Port security lets you limit how many MAC addresses are associated with a port.  So you can limit it to two, for example, if you have a phone and a desktop system at the same desk.  The sticky command makes the switch remember the MACs if the port goes down and up, so that someone can't just unplug what's there and plug in another device.

The problem is when systems are moved around.  The port blocks the traffic until an administrator clears the sticky MAC address(es).

Also, it doesn't keep someone from connecting to a previously unused port, which is where your physical security comes into play.  You have to physically connect and disconnect the patch cables, to keep someone from going to an unused desk and just plugging in.


This all presupposes that you aren't going full Network Access Control, and implementing some kind of pre-admission controls.
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officertangoAuthor Commented:
na
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