From: Edwards, Andrew M (andrew.m.edwards@boeing.com)
Date: Tue Nov 23 2004 - 20:23:04 GMT-3
Yes you would loose points for not specifying the logging server or
disabling conflict logging.
You need to either explicitly state where the DHCP bindings are (tftp
server) or disable the logging to the binding server to give out
addresses with local autonomy.
Using the logging server would be useful for multiple DHCP servers
servicing the same network range; where conflict resolution of bindings
needs to take place. E.G. your DHCP server is not autonomous.
In short, it's a required step.
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/
fipr_c/ipcprt1/1cfdhcp.htm#xtocid4
Andy
-----Original Message-----
From: ccie2be [mailto:ccie2be@nyc.rr.com]
Sent: Tuesday, November 23, 2004 3:03 PM
To: Edwards, Andrew M; gladston@br.ibm.com; ccielab@groupstudy.com
Subject: Re: DHCP
Andy,
Excellent post !!!
One thing, though, you maybe forgot. In the documentation, it says that
if a tftp server isnt specified for the binding table, you must disable
conflict logging.
Wouldn't you lose points if that weren't done?
I know that dhcp will still work without that, but I think you'd lose
points anyway.
Tim
----- Original Message -----
From: "Edwards, Andrew M" <andrew.m.edwards@boeing.com>
To: <gladston@br.ibm.com>; <ccielab@groupstudy.com>
Sent: Tuesday, November 23, 2004 3:11 PM
Subject: RE: DHCP
> This is when you will use IRDP (ICMP router discovery protocol) for
> the router (R2) such that it can act as a host.
>
> Under the gateway routers interface for the network segment you will
> use the interface commands:
>
> Ip irdp
> Ip irdp address 172.16.123.1 preference 5
> Ip irdp address 172.16.123.3 preference 10
>
> And, Windoz hosts can use multiple default gateways. Try the first in
> the list, if its not resonsive try second, etc.
>
> Also, don't forget the other static addresses within the DHCP range
> that need to be excluded (e.g. dns servers, netbios name server, tftp
> server,
> etc.)
>
> Here is a link from the doc cd on DHCP:
>
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgc
> r/
> fipr_c/ipcprt1/1cfdhcp.htm
>
> HTH
>
> andy
>
> -----Original Message-----
> From: gladston@br.ibm.com [mailto:gladston@br.ibm.com]
> Sent: Tuesday, November 23, 2004 11:33 AM
> To: ccielab@groupstudy.com
> Subject: DHCP
>
>
> I am working on the following configuration:
>
> r1, r2 and r3 are connected to the same Vlan.
> r1 is dhcp server; r2 is dhcp client.
>
> ip dhcp excluded-address 172.16.123.1 172.16.123.3
> !
> ip dhcp pool Pooldhcp
> network 172.16.123.0 255.255.255.0
> dns-server 172.16.123.100
> netbios-name-server 172.16.123.150
> domain-name web.com
> default-router 172.16.123.1 172.16.123.3
> lease infinite
>
> I was expecting r2 to receive both default-routers, but it just points
> to the first, even when I shutdown router r1.
>
> Is it the same behavior of Windows clients for dhcp client?
>
> r2#sh ip rou
> Default gateway is 172.16.123.1
>
> Host Gateway Last Use Total Uses Interface
> ICMP redirect cache is empty
>
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