Hi everyone,
We have been using Cisco CMTS 7246 for about a decades. These days we
are facing some strange issue with CPE IP assigned by DHCP. We are using
ISC DHCP for both the modems and CPE. While I check modem searching for
the particular modem only then CPE taken is seen 0 but when I check cpe
with modem IP then I can see that customer CPE is taking IP address.
While checking on CMTS, the arp taken by CPE arp is also seen but no any
traffic are passing. If I bind the CPE mac and assign a IP then
everything gets to normal.
CMTS is configure to relay on two DHCP services running on fail over
mode and soure verification is done for all the addresses.
cmts2#show cable modem | in 814c
00e0.6f70.814c 10.28.114.242 C3/1/U0 online 157 0.00 1942 *0
* N
cmts2#show cable modem 10.28.114.242 cpe
IP address MAC address
*10.34.16.12 9061.0c15.2535 *
--
Regards,
--------
Rupesh Basnet
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