Would adjusting the DHCP ping timer/count help at all?  I know in a LAN
environment the default is a little bit too long.

Chuck 
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Paul Stewart
Sent: Thursday, May 17, 2007 2:07 PM
To: 'Neal Rauhauser'; [email protected]
Subject: Re: [c-nsp] 12.3.22 lawful intercept on 7206 - DHCP bug eats
2,000+ customers

So, you're turning up a new connection with 2100 customers on it (or ARP
entries at least) and DHCP is slowing right down?  

If I understand this right, this is normal behaviour.... on one of our
cable routers (CTMS router) when we do maintenance and bring 500+
customers back online, it takes a good 20 minutes for all those
customers to get an IP address again.  Once we're beyond that initial
startup it works great though....

Does that seem similiar to your situation or does DHCP just choke all
together?

Paul
 

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Neal Rauhauser
Sent: Thursday, May 17, 2007 11:32 AM
To: [email protected]
Subject: [c-nsp] 12.3.22 lawful intercept on 7206 - DHCP bug eats 2,000+
customers


  I have a 7206 with NPE-G1, upgraded from 12.2.15T11 last night to
12.3.22 lawful intercept and simultaneously taking from 256m to 1024m of
memory.

  The system has BGP peers and a couple of thousand DSL customers
attached (I know, I know, OS and memory upgrade are part of me splitting
it for this customer).

  We watched 2,100 ARP entries appear for the ATM PVCs this morning and
all seemed well but the onboard DHCP was sick. We do a 'show run' and
it'll fail with a "try later" or it'll run but it takes several minutes
to generate anything.

  We're on the phone with TAC now and we've got someone clueful but this
is incredibly painful for the customer - anyone seen this thing before? 
Suggestions?







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