[cisco-voip] slightly OT: dhcp reservations in IOS DHCPserverconfig

[Matt Slaga (US)]

Actually, for 70 devices, you probably want to use DHCP Static mapping.

http://www.cisco.com/en/US/docs/ios/ipaddr/configuration/guide/iad_dhcp_
svr_cfg.html#wp1117976



-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Matt Slaga (US)
Sent: Friday, October 10, 2008 12:27 PM
To: Joe Cisco; cisco-voip
Subject: Re: [cisco-voip] slightly OT: dhcp reservations in IOS
DHCPserverconfig

Cisco calls it 'address binding' instead of reservation.
Configure as follows:

Ip dhcp pool xyz
Host 10.100.1.1 /24  (set to your 'reserved' ip address)
Client-identifier 01ab.cdef.ghij.kl  (mac address preceeded by '01' to
specify Ethernet media type)
Hardware-address abcd.efgh.ijkl
Client-name xyzclient1 (optional)

You can verify this with:
Debug ip dhcp server packet

And check to see if the correct IP was given.

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Joe Cisco
Sent: Friday, October 10, 2008 12:17 PM
To: cisco-voip
Subject: [cisco-voip] slightly OT: dhcp reservations in IOS DHCP
serverconfig

I have a client with about 70 phones that require static IP addresses.
DHCP is currently being performed on and must stay on an IOS router. I
would prefer to simply create dhcp reservations for the mac addresses
of the phones, rather than physically hard code the addresses on the
phones themselves. Anyone had any experience and/or advice and an
example IOS dhcp config with reserved mac addresses?

Thanks in advance,

Joe C.
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