[Outages-discussion] Internet Outage Hits Time Warner Customers in southern California - now up

[Frank Bulk]

Sounds like you can't improve much beyond that!

Frank

-----Original Message-----
From: Dan White [mailto:dwhite at olp.net] 
Sent: Monday, August 29, 2011 11:38 AM
To: Frank Bulk
Cc: 'Jay Ashworth'; outages-discussion
Subject: Re: Internet Outage Hits Time Warner Customers in southern
California - now up

Yes. For equipment that doesn't directly support configuring DHCP relay, we
can usually position the equipment in our network in such a way that we can
configure multiple ip helpers on a Cisco switch/router to do the relaying.

- Dan

On 29/08/11 11:31 -0500, Frank Bulk wrote:
>Do you configure your relay points to relay to both DHCP servers, so that
>you have transparent resiliency?
>
>Frank
>
>-----Original Message-----
>From: Dan White [mailto:dwhite at olp.net]
>Sent: Monday, August 29, 2011 11:16 AM
>To: Frank Bulk
>Cc: 'Jay Ashworth'; outages-discussion
>Subject: Re: Internet Outage Hits Time Warner Customers in southern
>California - now up
>
>Yes. We have a pair of ISC DHCP failover servers that are IPd in different
>subnets. We use the relay IP of the request to identify which pool to serve
>the addresses from.
>
>- Dan
>
>On 29/08/11 10:59 -0500, Frank Bulk wrote:
>>I wonder, can ISC's dhcp failover support operating the DHCP servers in
>>different subnets?
>>
>>Frank