dhcp binding + dhcp excluded

[Alexandr_P]

Hello, all!

Can you, please, give me explanation about DHCP-binding.

User Guide says "The DHCP bindings database contains the IP address, MAC Address, VLAN ID, and port number of the untrusted interface or client."
But as I understand dhcp binding - when we want to give to some client MAC address preconfigured IP address. Or I'm wrong?
If I wrong - how can we bind MAC-IP addresses pairs?

And last question: how can we exclude some addresses from switch DHCP-server?
As I remember - there wasn't so option.
But what we have to do if switch have dhcp-server with pool, for example, 10.0.0.50 - 10.0.0.100, but we have some clients which have static address 10.0.0.70 ???

[Kawawa]

Hi Alexandr P, is this what you're looking to deploy: http://documentation.extremenetworks.com/exos/EXOS_21_1/Security/c_configuring-dhcp-binding.shtml ?

[Erik_Auerswald]

I don't think this is possible. The "ip-security dhcp-binding" commands pertain to DHCP snooping as far as I know.

You would need to specify an address range that does not include statically assigned addresses.

[Alexandr_P]

OK.

In case if I want to map some clilent MAC to some IP, how can I do this on Summit?

Thank you!