Got it. Thanks for all the responses. I figured it was going to be something obvious and simple. Please accept this as an object lesson in why you shouldn't get drawn into a party til 5am midweek and then try to work on a network the next day. :-)

----- Original Message ----- From: "Roy" <[email protected]>
To: "Joseph Mays" <[email protected]>
Sent: Thursday, October 06, 2011 3:38 PM
Subject: Re: [c-nsp] Subnetting problem


216.24.2.4 255.255.255.248 is not the network boundary. The last octet must be divisible by 8.



On 10/6/2011 12:22 PM, Joseph Mays wrote:
It feels strange to be asking a question about something as simple as a subnet here, but I'm honestly not sure what's going on in this case. Probably something simple.

As you can see from the following set of commands, the router is fine with breaking the following addresses up into /30's, but not fine with the aggregate of the two routes into a /29.

gw1.armplc(config)#ip route 216.24.2.4 255.255.255.252 216.24.0.54
gw1.armplc(config)#no ip route 216.24.2.4 255.255.255.252 216.24.0.54
gw1.armplc(config)#ip route 216.24.2.8 255.255.255.252 216.24.0.54
gw1.armplc(config)#no ip route 216.24.2.8 255.255.255.252 216.24.0.54
gw1.armplc(config)#ip route 216.24.2.4 255.255.255.248 216.24.0.54
%Inconsistent address and mask

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