5200 E242 config help?
I have a SS 5200 I picked up on Ebay.
I am trying to set it up as a replacement for the Westel 6100 supplied by my ISP. The 6100 exposes very little, but VPI=0 VCI=35 and "Routed Bridge" seem to be the key info (no PPPoA or PPPoE) The embedded NAPT router is active.
The Westel docs describe "Routed Bridge" as "Routed Bridge Encapsulation is the process by which a bridged segment is terminated on a routed segment. Specifically, the router is routing on an IEEE 802.3 or Ethernet header carried over RFC 1483 bridged ATM."
I've tried to setup the 5200 in a similar fashion with only partial success. Specifically, on the "WAN Interface" page:
"ATM Settings" page
VPI=0, VCI=35, Encapsulation Type=LLC, Unspecified Bit Rate
"Protocol Selection" page
"2684 Bridged" page
"Allow 2684 traffic to be bridged to this computer" NOT checked
"2684 PPPoE" page
DON'T Use PPPoe
Use Attack Detection System
When I hook the modem up, it gets sync, reporting "UP" on both the "ATM/AAL" and "DSL" status pages. But on the "System Summary" page it says RFC2684 connection DOWN. I telnet in and "show dhcpc status" reveals that the dhcp client is sending discover packets but getting no response. However, both ATM and DSL show some traffic in both directions.
I'm stuck. Any suggestions?
I don't think they do authentication at that level.
For example, I recently went through three modem swaps with the ISP -on the same day- and there was no recording of mac addresses in the process. In fact the last (my current) one *I* randomly selected from a stack of boxes. I handed one in, grabbed another and left with the store manager's blessing.
Perhaps every modem in the store was preregistered with their dhcp server, but there was no tracking of the mac address of the specific unit *I* left with. (In fact I just checked, and it isn't printed on the modem case either; just a serial number.)
The 5200 IS syncing up. Guess I could try putting it in pure bridge mode and see if a PC or standalone router can get an IP address, but running it that way would defeat the whole point of my endeavor.
BTW, I've tried both LLC and VCMUX mode. In both cases the modem synced up and counters showed some ongoing traffic in both directions, but the embedded dhcp client doesn't think it is getting any reply to the dhcp 'discover' broadcast packets (it seems to think) it is sending out.