CHAP authentication failure for PPPoE : bad username/password even with right credentials

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CHAP authentication failure for PPPoE : bad username/password even with right credentials

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
CHAP authentication failure for PPPoE : bad username/password even with right credentials
CHAP authentication failure for PPPoE : bad username/password even with right credentials
2015-09-10 15:50:05
Model :

Hardware Version : Not Clear

Firmware Version :

ISP :

need help connecting my router to ISP over PPPoE(Broadband) .

Router details:
TP-Link TL-WR841N V10
Firmware version : 3.16.9 Build 150310 Rel.55259n
When I directly plug-in the LAN cable provided by the ISP(Omwebnet) into my windows system and provide username(batcave)/password provided by ISP, connects successfully.

When I connect LAN to router and configure router to connect over PPPoE, throws a CHAP authentication failure (same credentials)

Router Syslog follows(also attached as txt file):
####################################################################
# TL-WR841N System Log
# Time = 2015-01-01 0:25:34 1536s
# H-Ver = WR841N v10 00000000 : S-Ver = 3.16.9 Build 150310 Rel.55295n
# L = 192.168.1.1 : M = 255.255.255.0
# W1 = PPPoE : W = 0.0.0.0 : M = 0.0.0.0 : G = 0.0.0.0
####################################################################

1st day 00:24:35 OTHER INFO User clear system log.1st day 00:24:46 PPP NOTICE PPPoE start connecting...1st day 00:24:46 PPP NOTICE call pppoeFormatCmd.1st day 00:24:46 PPP NOTICE Standard authentication.1st day 00:24:47 PPP INFO send_phase 2091 pppd_phase = 0x2, ipv6 = 0, ipv4 = 0^M 1st day 00:24:47 PPP INFO In pppd the httpd-id is 609, set link phase is 0x2 1st day 00:24:47 PPP INFO sent [PADI Host-Uniq(0x000004a7)]1st day 00:24:47 PPP INFO rcvd [PADO AC-Name:Omwebnet AC-MAC:00:07:e9:08:07:75]1st day 00:24:47 PPP INFO sent [PADR Host-Uniq(0x000004a7)]1st day 00:24:47 PPP INFO rcvd [PADS sess-id(20800)]1st day 00:24:47 PPP INFO send_phase 2091 pppd_phase = 0x4, ipv6 = 0, ipv4 = 0^M 1st day 00:24:47 PPP INFO In pppd the httpd-id is 609, set link phase is 0x4 1st day 00:24:47 PPP INFO sent [LCP Req mru=1480 magic=0xafcb6e4c]1st day 00:24:47 PPP INFO rcvd [LCP Req auth=chap-MD5 mru=1480 magic=0x811dff5e mrru=1600]1st day 00:24:47 PPP INFO sent [LCP Rej mrru=1600]1st day 00:24:47 PPP INFO rcvd [LCP Ack mru=1480 magic=0xafcb6e4c]1st day 00:24:47 PPP INFO rcvd [LCP Req auth=chap-MD5 mru=1480 magic=0x811dff5e]1st day 00:24:47 PPP INFO sent [LCP Ack auth=chap-MD5 mru=1480 magic=0x811dff5e]1st day 00:24:47 PPP INFO send_phase 2091 pppd_phase = 0x5, ipv6 = 0, ipv4 = 0^M 1st day 00:24:47 PPP INFO In pppd the httpd-id is 609, set link phase is 0x5 1st day 00:24:47 PPP INFO rcvd [CHAP Challenge (57e97c8cb3590f0c1149a3587c53b20b), name = "Omwebnet"]1st day 00:24:47 PPP INFO sent [CHAP Response (f6929afa8017b66f17c73831ec745b5a), name = "batcave"]1st day 00:24:47 PPP INFO rcvd [CHAP Failure "bad username or password"]1st day 00:24:47 PPP INFO send_phase 2091 pppd_phase = 0x65, ipv6 = 0, ipv4 = 0^M 1st day 00:24:47 PPP INFO In pppd the httpd-id is 609, set link phase is 0x65 1st day 00:24:47 PPP ERROR Failed to authenticate ourselves to peer1st day 00:24:47 PPP INFO send_phase 2091 pppd_phase = 0x9, ipv6 = 0, ipv4 = 0^M 1st day 00:24:47 PPP INFO In pppd the httpd-id is 609, set link phase is 0x9 1st day 00:24:47 PPP ERROR LCP down1st day 00:24:47 PPP WARNING LCP down1st day 00:24:47 PPP INFO send_phase 2091 pppd_phase = 0x4, ipv6 = 0, ipv4 = 0^M 1st day 00:24:47 PPP INFO In pppd the httpd-id is 609, set link phase is 0x4 1st day 00:24:47 PPP INFO sent [LCP TermReq]1st day 00:24:47 PPP INFO rcvd [LCP TermReq]1st day 00:24:47 PPP INFO sent [LCP TermAck]1st day 00:24:47 PPP INFO rcvd [LCP TermAck]1st day 00:24:47 PPP INFO send_phase 2091 pppd_phase = 0xa, ipv6 = 0, ipv4 = 0^M 1st day 00:24:47 PPP INFO In pppd the httpd-id is 609, set link phase is 0xa 1st day 00:24:47 PPP INFO send_phase 2091 pppd_phase = 0x0, ipv6 = 0, ipv4 = 0^M 1st day 00:24:47 PPP INFO In pppd the httpd-id is 609, set link phase is 0x0 1st day 00:24:54 PPP NOTICE call pppoeFormatCmd.1st day 00:24:54 PPP NOTICE Standard authentication.1st day 00:24:54 PPP INFO send_phase 2091 pppd_phase = 0x2, ipv6 = 0, ipv4 = 0^M 1st day 00:24:54 PPP INFO In pppd the httpd-id is 609, set link phase is 0x2 1st day 00:24:54 PPP INFO sent [PADI Host-Uniq(0x000004ac)]1st day 00:24:54 PPP INFO rcvd [PADO AC-Name:Omwebnet AC-MAC:00:07:e9:08:07:75]1st day 00:24:54 PPP INFO sent [PADR Host-Uniq(0x000004ac)]1st day 00:24:54 PPP INFO rcvd [PADS sess-id(20801)]1st day 00:24:54 PPP INFO send_phase 2091 pppd_phase = 0x4, ipv6 = 0, ipv4 = 0^M 1st day 00:24:54 PPP INFO In pppd the httpd-id is 609, set link phase is 0x4 1st day 00:24:54 PPP INFO sent [LCP Req mru=1480 magic=0x1763efdd]1st day 00:24:54 PPP INFO rcvd [LCP Req auth=chap-MD5 mru=1480 magic=0x25f3f12 mrru=1600]1st day 00:24:54 PPP INFO sent [LCP Rej mrru=1600]1st day 00:24:54 PPP INFO rcvd [LCP Ack mru=1480 magic=0x1763efdd]1st day 00:24:54 PPP INFO rcvd [LCP Req auth=chap-MD5 mru=1480 magic=0x25f3f12]1st day 00:24:54 PPP INFO sent [LCP Ack auth=chap-MD5 mru=1480 magic=0x25f3f12]1st day 00:24:54 PPP INFO send_phase 2091 pppd_phase = 0x5, ipv6 = 0, ipv4 = 0^M 1st day 00:24:54 PPP INFO In pppd the httpd-id is 609, set link phase is 0x5 1st day 00:24:54 PPP INFO rcvd [CHAP Challenge (f89c6af72eaf79cb9dd0b41a5d67736c), name = "Omwebnet"]1st day 00:24:54 PPP INFO sent [CHAP Response (e867e814b630bf111bb5f6d65dc0f5cc), name = "batcave"]1st day 00:24:54 PPP INFO rcvd [CHAP Failure "bad username or password"]1st day 00:24:54 PPP INFO send_phase 2091 pppd_phase = 0x65, ipv6 = 0, ipv4 = 0^M 1st day 00:24:54 PPP INFO In pppd the httpd-id is 609, set link phase is 0x65 1st day 00:24:54 PPP ERROR Failed to authenticate ourselves to peer1st day 00:24:54 PPP INFO send_phase 2091 pppd_phase = 0x9, ipv6 = 0, ipv4 = 0^M 1st day 00:24:54 PPP INFO In pppd the httpd-id is 609, set link phase is 0x9 1st day 00:24:54 PPP ERROR LCP down1st day 00:24:54 PPP WARNING LCP down1st day 00:24:54 PPP INFO send_phase 2091 pppd_phase = 0x4, ipv6 = 0, ipv4 = 0^M 1st day 00:24:54 PPP INFO In pppd the httpd-id is 609, set link phase is 0x4 1st day 00:24:54 PPP INFO sent [LCP TermReq]1st day 00:24:54 PPP INFO rcvd [LCP TermReq]1st day 00:24:54 PPP INFO sent [LCP TermAck]1st day 00:24:54 PPP INFO rcvd [LCP TermAck]1st day 00:24:54 PPP INFO send_phase 2091 pppd_phase = 0xa, ipv6 = 0, ipv4 = 0^M 1st day 00:24:54 PPP INFO In pppd the httpd-id is 609, set link phase is 0xa 1st day 00:24:55 PPP INFO send_phase 2091 pppd_phase = 0x0, ipv6 = 0, ipv4 = 0^M 1st day 00:24:55 PPP INFO In pppd the httpd-id is 609, set link phase is 0x0 1st day 00:25:03 PPP NOTICE call pppoeFormatCmd.1st day 00:25:03 PPP NOTICE Standard authentication.1st day 00:25:03 PPP INFO send_phase 2091 pppd_phase = 0x2, ipv6 = 0, ipv4 = 0^M 1st day 00:25:03 PPP INFO In pppd the httpd-id is 609, set link phase is 0x2 1st day 00:25:03 PPP INFO sent [PADI Host-Uniq(0x000004b1)]1st day 00:25:03 PPP INFO rcvd [PADO AC-Name:Omwebnet AC-MAC:00:07:e9:08:07:75]1st day 00:25:03 PPP INFO sent [PADR Host-Uniq(0x000004b1)]1st day 00:25:03 PPP INFO rcvd [PADS sess-id(20802)]1st day 00:25:03 PPP INFO send_phase 2091 pppd_phase = 0x4, ipv6 = 0, ipv4 = 0^M 1st day 00:25:03 PPP INFO In pppd the httpd-id is 609, set link phase is 0x4 1st day 00:25:03 PPP INFO sent [LCP Req mru=1480 magic=0xcb1c92a7]1st day 00:25:03 PPP INFO rcvd [LCP Req auth=chap-MD5 mru=1480 magic=0xdd01c12b mrru=1600]1st day 00:25:03 PPP INFO sent [LCP Rej mrru=1600]1st day 00:25:03 PPP INFO rcvd [LCP Ack mru=1480 magic=0xcb1c92a7]1st day 00:25:03 PPP INFO rcvd [LCP Req auth=chap-MD5 mru=1480 magic=0xdd01c12b]1st day 00:25:03 PPP INFO sent [LCP Ack auth=chap-MD5 mru=1480 magic=0xdd01c12b]1st day 00:25:03 PPP INFO send_phase 2091 pppd_phase = 0x5, ipv6 = 0, ipv4 = 0^M 1st day 00:25:03 PPP INFO In pppd the httpd-id is 609, set link phase is 0x5 1st day 00:25:03 PPP INFO rcvd [CHAP Challenge (8f3c35284d38c133305d9d288b4ca156), name = "Omwebnet"]1st day 00:25:03 PPP INFO sent [CHAP Response (bbdec1d414eda01becedeb0a11e2a509), name = "batcave"]1st day 00:25:03 PPP INFO rcvd [CHAP Failure "bad username or password"]1st day 00:25:03 PPP INFO send_phase 2091 pppd_phase = 0x65, ipv6 = 0, ipv4 = 0^M 1st day 00:25:03 PPP INFO In pppd the httpd-id is 609, set link phase is 0x65 1st day 00:25:03 PPP ERROR Failed to authenticate ourselves to peer1st day 00:25:03 PPP INFO send_phase 2091 pppd_phase = 0x9, ipv6 = 0, ipv4 = 0^M 1st day 00:25:03 PPP INFO In pppd the httpd-id is 609, set link phase is 0x9 1st day 00:25:03 PPP ERROR LCP down1st day 00:25:03 PPP WARNING LCP down1st day 00:25:03 PPP INFO send_phase 2091 pppd_phase = 0x4, ipv6 = 0, ipv4 = 0^M 1st day 00:25:03 PPP INFO In pppd the httpd-id is 609, set link phase is 0x4 1st day 00:25:03 PPP INFO sent [LCP TermReq]1st day 00:25:03 PPP INFO rcvd [LCP TermReq]1st day 00:25:03 PPP INFO sent [LCP TermAck]1st day 00:25:03 PPP INFO rcvd [LCP TermAck]1st day 00:25:03 PPP INFO send_phase 2091 pppd_phase = 0xa, ipv6 = 0, ipv4 = 0^M 1st day 00:25:03 PPP INFO In pppd the httpd-id is 609, set link phase is 0xa 1st day 00:25:03 PPP INFO send_phase 2091 pppd_phase = 0x0, ipv6 = 0, ipv4 = 0^M 1st day 00:25:03 PPP INFO In pppd the httpd-id is 609, set link phase is 0x0 1st day 00:25:12 PPP NOTICE call pppoeFormatCmd.1st day 00:25:12 PPP NOTICE Standard authentication.1st day 00:25:12 PPP INFO send_phase 2091 pppd_phase = 0x2, ipv6 = 0, ipv4 = 0^M 1st day 00:25:12 PPP INFO In pppd the httpd-id is 609, set link phase is 0x2 1st day 00:25:12 PPP INFO sent [PADI Host-Uniq(0x000004b6)]1st day 00:25:12 PPP INFO rcvd [PADO AC-Name:Omwebnet AC-MAC:00:07:e9:08:07:75]1st day 00:25:12 PPP INFO sent [PADR Host-Uniq(0x000004b6)]1st day 00:25:12 PPP INFO rcvd [PADS sess-id(20803)]1st day 00:25:12 PPP INFO send_phase 2091 pppd_phase = 0x4, ipv6 = 0, ipv4 = 0^M 1st day 00:25:12 PPP INFO In pppd the httpd-id is 609, set link phase is 0x4 1st day 00:25:12 PPP INFO sent [LCP Req mru=1480 magic=0x7b70c20]1st day 00:25:12 PPP INFO rcvd [LCP Req auth=chap-MD5 mru=1480 magic=0x4deb676 mrru=1600]1st day 00:25:12 PPP INFO sent [LCP Rej mrru=1600]1st day 00:25:12 PPP INFO rcvd [LCP Ack mru=1480 magic=0x7b70c20]1st day 00:25:12 PPP INFO rcvd [LCP Req auth=chap-MD5 mru=1480 magic=0x4deb676]1st day 00:25:12 PPP INFO sent [LCP Ack auth=chap-MD5 mru=1480 magic=0x4deb676]1st day 00:25:12 PPP INFO send_phase 2091 pppd_phase = 0x5, ipv6 = 0, ipv4 = 0^M 1st day 00:25:12 PPP INFO In pppd the httpd-id is 609, set link phase is 0x5 1st day 00:25:12 PPP INFO rcvd [CHAP Challenge (773ae6fbeffdd82068675d9e90aad651), name = "Omwebnet"]1st day 00:25:12 PPP INFO sent [CHAP Response (f9fb79c868b0971426897456f2d5bf53), name = "batcave"]1st day 00:25:13 PPP INFO rcvd [CHAP Failure "bad username or password"]1st day 00:25:13 PPP INFO send_phase 2091 pppd_phase = 0x65, ipv6 = 0, ipv4 = 0^M 1st day 00:25:13 PPP INFO In pppd the httpd-id is 609, set link phase is 0x65 1st day 00:25:13 PPP ERROR Failed to authenticate ourselves to peer1st day 00:25:13 PPP INFO send_phase 2091 pppd_phase = 0x9, ipv6 = 0, ipv4 = 0^M 1st day 00:25:13 PPP INFO In pppd the httpd-id is 609, set link phase is 0x9 1st day 00:25:13 PPP ERROR LCP down1st day 00:25:13 PPP WARNING LCP down1st day 00:25:13 PPP INFO send_phase 2091 pppd_phase = 0x4, ipv6 = 0, ipv4 = 0^M 1st day 00:25:13 PPP INFO In pppd the httpd-id is 609, set link phase is 0x4 1st day 00:25:13 PPP INFO sent [LCP TermReq]1st day 00:25:13 PPP INFO rcvd [LCP TermReq]1st day 00:25:13 PPP INFO sent [LCP TermAck]1st day 00:25:13 PPP INFO rcvd [LCP TermAck]1st day 00:25:13 PPP INFO send_phase 2091 pppd_phase = 0xa, ipv6 = 0, ipv4 = 0^M 1st day 00:25:13 PPP INFO In pppd the httpd-id is 609, set link phase is 0xa 1st day 00:25:13 PPP INFO send_phase 2091 pppd_phase = 0x0, ipv6 = 0, ipv4 = 0^M 1st day 00:25:13 PPP INFO In pppd the httpd-id is 609, set link phase is 0x0 1st day 00:25:23 PPP WARNING PPPoE disconnected Thanks in advance!
File:
Syslog (1).txtDownload
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Re:CHAP authentication failure for PPPoE : bad username/password even with right credentials
2015-09-11 16:47:06
It should be username and password issue. Contact your ISP to confirm or update username and password.
Reset the router to factory defaults and reconfigure it.
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