DHCP IP request problem using Docsis 3.0 cable modem... | docsis.org

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DHCP IP request problem using Docsis 3.0 cable modem...

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Shuvangkar Dhar
DHCP IP request problem using Docsis 3.0 cable modem...
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I am using a realtelk router and my ISP using docsis 3.0 cable modem and their connectivity type is DHCP. But when try I connect my router with my cable modem it facing problem to get IP lease. It's get an IP and after every 22 seconds it again send request for the IP lease and link fluctuate...But when I statically set this IP there is no problem. We got some trace from server. Here this is..

2020.01.22 14:52:41 [WARN ] <7F7A3B9F8700> (40852558:REL:E7B39D0E:44D1FA34DE37:C:CPE): Releases must not have a Requested IP. Ignoring Release.
2020.01.22 14:52:41 [WARN ] <7F7A3B9F8700> (40852558:REL:E7B39D0E:44D1FA34DE37:C:CPE): V4REQUEST(40852558): Invalid Release DHCP packet. Discarded.
2020.01.22 14:52:41 [AUD0 ] <7F7A391F4700> (40852559:REQ:19922E3F:BCD1657A73B5:C:CPE): ACK for xxx.xxx.89.27 (300 bytes) to xxx.xxx.89.27 (0 msec, 0 msec / 0, 0 msec)
2020.01.22 14:52:41 [AUD0 ] <7F7A37DF2700> (40852560:DIS:2036E43A:44D1FA34DE37:R38FACA332518:CPE): OFF for xxx.xxx118.220 (333 bytes) to xxx.xxx112.1 (1 msec, 1 msec / 0, 0 msec)
2020.01.22 14:52:41 [AUD0 ] <7F7A39BF5700> (40852561:REQ:2036E43A:44D1FA34DE37:R38FACA332518:CPE): ACK for xxx.xxx118.220 (333 bytes) to xxx.xxx112.1 (1 msec, 1 msec / 0, 1 msec)
2020.01.22 14:53:03 [WARN ] <7F7A3AFF7700> (40854051:REL:9351494B:44D1FA34DE37:C:CPE): Releases must not have a Requested IP. Ignoring Release.
2020.01.22 14:53:03 [WARN ] <7F7A3AFF7700> (40854051:REL:9351494B:44D1FA34DE37:C:CPE): V4REQUEST(40854051): Invalid Release DHCP packet. Discarded.
2020.01.22 14:53:03 [AUD0 ] <7F7A457FB700> (40854052:DIS:7E75E61:9893CC152B93:R9893CC1A0C09:CPE): No response for 0.0.0.0 to 10.170.64.1 (No rules matched.).
2020.01.22 14:53:03 [AUD0 ] <7F7A387F3700> (40854053:DIS:83A3795D:44D1FA34DE37:R38FACA332518:CPE): OFF for xxx.xxx118.220 (333 bytes) to xxx.xxx112.1 (1 msec, 1 msec / 0, 1 msec)
2020.01.22 14:53:03 [AUD0 ] <7F7A37DF2700> (40854054:REQ:305D6A22:B0C554DA900D:C:CPE): ACK for xxx.xxx.14.190 (300 bytes) to xxx.xxx.14.190 (1 msec, 1 msec / 0, 1 msec)
2020.01.22 14:53:03 [AUD0 ] <7F7A39BF5700> (40854055:REQ:83A3795D:44D1FA34DE37:R38FACA332518:CPE): ACK for xxx.xxx118.220 (333 bytes) to xxx.xxx112.1 (1 msec, 1 msec / 0, 1 msec)
2020.01.22 14:53:24 [WARN ] <7F7A3C3F9700> (40855808:REL:3CA8DA7E:44D1FA34DE37:C:CPE): Releases must not have a Requested IP. Ignoring Release.
2020.01.22 14:53:24 [WARN ] <7F7A3C3F9700> (40855808:REL:3CA8DA7E:44D1FA34DE37:C:CPE): V4REQUEST(40855808): Invalid Release DHCP packet. Discarded.
2020.01.22 14:53:24 [AUD0 ] <7F7A44DFA700> (40855809:DIS:C2E8DCAF:9893CC68B677:R9893CC4A422F:CPE): No response for 0.0.0.0 to 10.170.32.1 (No rules matched.).
2020.01.22 14:53:24 [AUD0 ] <7F7A387F3700> (40855810:DIS:DB53857A:44D1FA34DE37:R38FACA332518:CPE): OFF for xxx.xxx118.220 (333 bytes) to xxx.xxx112.1 (1 msec, 1 msec / 0, 1 msec)
2020.01.22 14:53:24 [AUD0 ] <7F7A37DF2700> (40855811:REQ:DB53857A:44D1FA34DE37:R38FACA332518:CPE): ACK for xxx.xxx118.220 (333 bytes) to xxx.xxx112.1 (0 msec, 0 msec / 0, 0 msec)
2020.01.22 14:53:45 [WARN ] <7F7A3C3F9700> (40857600:REL:4B628712:44D1FA34DE37:C:CPE): Releases must not have a Requested IP. Ignoring Release.
2020.01.22 14:53:45 [WARN ] <7F7A3C3F9700> (40857600:REL:4B628712:44D1FA34DE37:C:CPE): V4REQUEST(40857600): Invalid Release DHCP packet. Discarded.
2020.01.22 14:53:45 [AUD0 ] <7F7A44DFA700> (40857601:DIS:598470D4:9893CC68EFDD:R9893CC50475C:CPE): No response for 0.0.0.0 to 10.170.160.1 (No rules matched.).
2020.01.22 14:53:45 [AUD0 ] <7F7A3F5FE700> (40857602:DIS:8E2784B9:9893CC6617A1:R9893CC346820:CPE): No response for 0.0.0.0 to 10.170.160.1 (No rules matched.).
2020.01.22 14:53:45 [AUD0 ] <7F7A387F3700> (40857603:DIS:53D39519:44D1FA34DE37:R38FACA332518:CPE): OFF for xxx.xxx118.220 (333 bytes) to xxx.xxx112.1 (1 msec, 1 msec / 0, 1 msec)
2020.01.22 14:53:45 [AUD0 ] <7F7A457FB700> (40857604:DIS:AAC76ADA:9893CC668528:R9893CC348FC9:CPE): No response for 0.0.0.0 to 10.170.64.1 (No rules matched.).
2020.01.22 14:53:45 [AUD0 ] <7F7A39BF5700> (40857605:REQ:6C5B1DB6:3C9A771757CD:C:CPE): ACK for xxx.xxx.24.172 (300 bytes) to xxx.xxx.24.172 (1 msec, 1 msec / 0, 1 msec)
2020.01.22 14:53:45 [AUD0 ] <7F7A391F4700> (40857606:REQ:53D39519:44D1FA34DE37:R38FACA332518:CPE): ACK for xxx.xxx118.220 (333 bytes) to xxx.xxx112.1 (1 msec, 1 msec / 0, 1 msec)