I've run into a strange challenge. In a lab environment I'm provisioning docsis 1.0, 2.0 and now 3.0 modems from a simple linux platform running openSUSE and the dhcp server package that comes with it.
Legacy modems provision and register fine. The D3.0 modem cant get an IP address and is stuck in init(d). Log files on the Linux box show the discover and the offer.
CMTS debug shows the discover and the offer but no ack from the modem.
Modem web based log file on the SB6120 shows the following:
i want to use a epc3212 wit füll 8 channel bonding. i configure the bonding and service groups, but my modem still only bond 4 channel.
see the sh cable modem verbose:
MAC Address :0025.2e14.cc28
IP Address :10.0.50.30
Prim Sid :88
MAC Domain :1
Upstream Channel Set :2/0.0/0, 2/1.0/0, 2/2.0/0, 2/3.0/0
Downstream Channel Set :1/0/0, 1/0/1, 1/0/2, 1/0/3
The title says it all: Arris C3 TM502G Stuck in MTA DHCP DISCOVER/DHCP OFFER loop. The cable modem part and the CPE behind the modem work just fine, but the MTA will not accept the offer from the DHCP server. We've followed the posts on this site to the letter and I've set up many many sites with Arris CMTS 1500s so I'm pretty sure the problem is in the C3 config. In the advanced features of the EMTA under " MTA DHCP PARAMETERS " I see that the "MTA FQDN" is incorrect. It's getting the FQDN of the cable modem. Any ideas?
I Am trying to configure a ubr7111.. i want to set 2 dhcp pools 10.100.0.0/24 for the modem pool which is primary and 10.1.0.0/21 for the cpe pool which is secondary. Modems are getting online just fine .. but the only problem is that cpe is getting ip's from the modem pool. Here is my current running-config PLS HELP.
!
version 12.3
no service pad
service timestamps debug datetime msec localtime
service timestamps log datetime localtime
no service password-encryption
service udp-small-servers max-servers no-limit
!
hostname cisco
!
boot-start-marker
boot-end-marker
!
So what is the good, bad, and ugly about the DCM-2000's from anyone with experience with these things?
I have a line on a couple that may suit a particular application that I'd prefer to keep off of my uBR if possible.
(Off-campus college housing network our system serves).
I know they're only 1.1 boxes, but have read they have a fairly high upstream bandwidth ceiling along with decent CPU efficeincy and are good performers for a 1X8 CMTS.