Leonardo, You shouldn't be able to change the MAC address on the Cable Interface. That's how the cable modem is associated to the customer and receives it's correct address scope for Class of Service, etc. The reason your 924 is receiving the disabled.bin config file is because your MAC address is unconfigured in the provisioning system. Unfortunately, the last I heard, none of the MSOs allow Cable Modem Routers on residential service. Maybe you'll get lucky.
Peter, to answer your question, if the Cable Modem/Router remains 'unregistered' it will continue to range and seek an uplink. This takes up RF space and precious CPU cycles on several upstream elements. Using the disabled.bin allows the MSO to sync the Cable Modem/Router and thereby stop it from ranging and taking up bandwidth. John ----- Original Message ----- From: "Leonardo FUK" To: Sent: Saturday, January 25, 2003 2:28 AM Subject: Re: Cisco uBR924 and Internet problems... [7:61754] > Yes, you're write. I called them to confirm the issue and I provided my MAC > address so they will research and see if it's allowed according to their > policy. > > There's one more question, if you don't mind: > > I am able to change the MAC address of my Ethernet interface, using the > "mac-address" command through IOS. But the same command is not available to > the cable-modem interface. I'm not sure if it is not allowed at all or if > it's a limitation of my IOS version. > > Do you know if it's possible to manually set up a MAC address on the > cable-modem interface? > > Thank you!! > > Leonardo Furtado > > ""Peter van der Voort"" wrote in message > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > > Hi Leonardo, > > > > Basically, you're answering your own question: the provider lets you > > download a file that disables your service. > > Normally, this file specifies the Class Of Service you get from your > > provider, like upstream and downstream bandwidth. > > > > Now for some reason, the provider doesn't want to give you any service and > > therefore let you download a file which denies access. > > > > There is one thing that I don't understand, though. If you didn't buy this > > modem from your provider (or did you?) then the modem's MAC address is not > > registered with them. Therefore, why would they allow the DHCP server to > > give your modem an IP address? That doesn't make sense. > > > > On the other hand, if you did buy the modem from the ISP, then like I > said, > > they just doesn't want to give you access for some reason (not paying your > > subscription fee springs to mind ;)) > > > > Bottom line: you have to contact them. > > > > Good luck > > Peter > > > > > -----Original Message----- > > > From: Leonardo FUK [mailto:[EMAIL PROTECTED]] > > > Sent: Friday, January 24, 2003 7:29 AM > > > To: [EMAIL PROTECTED] > > > Subject: Cisco uBR924 and Internet problems... [7:61754] > > > > > > > > > Hello everyone!! > > > > > > I have a question here, I need your help! > > > Recently I bought a Cisco uBR924 and I've been trying to > > > connect it at home, > > > so I can expand my home lab capabilities. My service provider > > > is Time Warner > > > (Road Runner) and I simply can't connect it to the Internet. > > > This router has > > > one cable-modem interface, four ethernet ports (represented > > > as 1 ethernet > > > interface) and two FXS voice-ports. > > > > > > According to the Cisco's documentation, the service > > > establishment process of > > > a > > > cable-modem-router like this one is as follows: > > > > > > - Scan for a downstream channel and establish synchronization > > > with the CMTS. > > > - Obtain upsteam channel parameters. > > > - Start ranging for power adjustments. > > > - Establish IP connectivity > > > - Establish the time of day > > > - Establish security > > > - Transfer operational parameters > > > - Perform registration > > > - Comply with baseline privacy > > > - Enter the operational maintenance state > > > > > > When I issue "show int cable-modem 0", I notice a lot of > > > "interface resets" > > > displayed by the output. Further investigation required me to > > > run some debug > > > commands and - I love this one - "show controllers > > > cable-modem 0 mac log", > > > which probably identified the problem. I could see almost all > > > "CMAC_LOG_STATE_CHANGE" events, but during the registration process > > > (registration_state), the modem received a > > > "RESET_AUTHENTICATION_FAILURE". > > > I pasted part of the output so my question may be answered by someone: > > > > > > The steps from "scanning downstream" to "establish security" > > > seem to be > > > fine: > > > > > > 1041.159 CMAC_LOG_STATE_CHANGE > > > wait_for_link_up_state > > > 1041.159 CMAC_LOG_STATE_CHANGE > > > ds_channel_scanning_stat > > > 1043.540 CMAC_LOG_STATE_CHANGE wait_ucd_state > > > 1046.319 CMAC_LOG_STATE_CHANGE wait_map_state > > > 1046.371 CMAC_LOG_STATE_CHANGE ranging_1_state > > > 1047.337 CMAC_LOG_STATE_CHANGE ranging_2_state > > > 1048.112 CMAC_LOG_STATE_CHANGE dhcp_state > > > 1048.404 CMAC_LOG_DHCP_ASSIGNED_IP_ADDRESS 10.47.170.200 > > > 1048.404 CMAC_LOG_DHCP_TFTP_SERVER_ADDRESS 24.29.99.72 > > > 1048.404 CMAC_LOG_DHCP_TOD_SERVER_ADDRESS 24.29.99.72 > > > 1048.404 CMAC_LOG_DHCP_SET_GATEWAY_ADDRESS > > > 1048.404 CMAC_LOG_DHCP_TZ_OFFSET 0 > > > 1048.404 CMAC_LOG_DHCP_CONFIG_FILE_NAME disabled.bin > > > 1048.404 CMAC_LOG_DHCP_ERROR_ACQUIRING_SEC_SVR_ADDR > > > 1048.404 CMAC_LOG_DHCP_LOG_SERVER_ADDRESS 24.29.99.57 > > > 1048.404 CMAC_LOG_DHCP_COMPLETE > > > 1059.956 CMAC_LOG_STATE_CHANGE > > > establish_tod_state > > > 1059.956 CMAC_LOG_TOD_REQUEST_SENT 24.29.99.72 > > > 1059.964 CMAC_LOG_TOD_REPLY_RECEIVED 3252376461 > > > 1059.968 CMAC_LOG_TOD_COMPLETE > > > 1059.968 CMAC_LOG_STATE_CHANGE > > > security_association_state > > > 1059.968 CMAC_LOG_SECURITY_BYPASSED > > > > > > But when the modem downloaded de DOCSIS configuration (the > > > config file), I > > > noticed something weird: > > > > > > 1059.968 CMAC_LOG_STATE_CHANGE > > > configuration_file_state > > > 1059.968 CMAC_LOG_LOADING_CONFIG_FILE disabled.bin > > > 1063.988 CMAC_LOG_CONFIG_FILE_PROCESS_COMPLETE > > > > > > Did you noticed the filename received by the Cisco uBR924? Its name is > > > "DISABLED.BIN". It doesn't sound good...... > > > > > > After that, the next step is "registration". Now I noticed > > > that the CTMS > > > has, for an "unknown" reason, rejected the registration > > > process. Therefore, > > > the router is unable to proceed with other steps toward the Internet > > > connection. > > > > > > 977.130 CMAC_LOG_STATE_CHANGE registration_state > > > 977.130 CMAC_LOG_REG_REQ_MSG_QUEUED > > > 977.138 CMAC_LOG_REG_REQ_TRANSMITTED > > > 977.142 CMAC_LOG_REG_RSP_MSG_RCVD > > > 977.142 CMAC_LOG_RESET_AUTHENTICATION_FAILURE > > > 977.142 CMAC_LOG_STATE_CHANGE > > > reset_interface_state > > > 977.142 CMAC_LOG_STATE_CHANGE > > > reset_hardware_state > > > > > > I tried to configure this device at both bridge and routing > > > levels, and it > > > didn't work at all. > > > > > > Do you guys know if some ISPs have configured anything that > > > could block > > > "unauthorized devices" (anything not the modem they provide > > > us) to establish > > > internet connectivity? Do they make any kind of MAC addresses > > > filtering? > > > I really don't want to use a plain modem to connect to the Internet. > > > Specially when I have a cool Cisco with a lot of interesting features. > > > > > > Any help would be appreciated. > > > > > > Leonardo Furtado Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=61844&t=61754 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
