Using 7800 in router mode for FTTC

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tomm45
Posts: 9
Joined: Tue Nov 01, 2011 9:47 pm

Using 7800 in router mode for FTTC

Post by tomm45 »

Hi, I have a strange issue that only occurs when the PPP session is dropped( remote side ) in that the router will repeatedly attempt to reconnect without success, as can be seen from the system log, I can disconnect /reconnect & reboot or power cycle the router and it will connect quickly without issue,
Also in the system log is Couldn't increase MTU to 1500 My MTU on the Ewan link is set to 1492 so why does the router appear to still be trying to increase the MTU to 1500?
And the other thing i feel is odd is regarding the DNS servers in the system log it lists these as my dns servers which belong to my isp. But i don't use them, i have alternative dns servers set up in the router,and use the router for dns
primary DNS address 212.159.6.9
secondary DNS address 212.159.6.10
Here is my system log

Code: Select all

Oct 07 00:50:04  daemon  pppd[16222]: No response to 6 echo-requests
  Oct 07 00:50:04  daemon  pppd[16222]: Serial link appears to be disconnected.
  Oct 07 00:50:04  daemon  pppd[16222]: Clear IP addresses.  Connection DOWN. 
  Oct 07 00:50:04  daemon  pppd[16222]: Clear IP addresses. 
  Oct 07 00:50:04  daemon  pppd[16222]: Couldn't increase MTU to 1500.
  Oct 07 00:50:04  daemon  pppd[16222]: Couldn't increase MRU to 1500
  Oct 07 00:50:05  user  syslog: begin: interface: ppp_ewan_1 go to down 
  Oct 07 00:50:05  user  syslog: end: interface: ppp_ewan_1 go to down 
  Oct 07 00:50:05  daemon  pppd[16222]: PPPoE: Terminating on signal 15.
  Oct 07 00:50:10  daemon  pppd[16222]: Connection terminated.
  Oct 07 00:50:10  daemon  pppd[16222]: Connect time 7924.3 minutes.
  Oct 07 00:50:10  daemon  pppd[16222]: Sent 6793888165 bytes, received 25838345197 bytes.
  Oct 07 00:50:11  user  kernel: dev_shutdown, dec ppp device refcnt, dev->refcnt=4
  Oct 07 00:50:11  user  kernel: unregister_netdevice: waiting for ppp_ewan_1 to become free. Usage count = -1
  Oct 07 00:50:11  user  kernel: dev->name = ppp_ewan_1, dev->refcnt=-1
  Oct 07 00:50:11  user  kernel: after reset to 0, dev->refcnt=0
  Oct 07 00:50:11  daemon  pppd[16222]: Doing disconnect
  Oct 07 00:50:14  daemon  pppd[16222]: Exit.
  Oct 07 00:50:15  daemon  pppd[16762]: pppd 2.4.1 started by admin, uid 0
  Oct 07 00:50:15  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:50:38  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:50:38  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:50:38  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:50:41  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:51:04  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:51:04  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:51:04  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:51:07  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:51:30  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:51:30  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:51:30  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:51:33  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:51:56  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:51:56  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:51:56  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:51:59  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:52:22  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:52:22  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:52:22  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:52:25  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:52:48  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:52:48  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:52:48  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:52:51  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:53:14  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:53:14  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:53:14  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:53:17  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:53:40  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:53:40  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:53:40  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:53:43  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:54:06  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:54:06  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:54:06  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:54:09  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:54:32  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:54:32  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:54:32  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:54:35  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:54:58  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:54:58  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:54:58  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:55:01  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:55:24  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:55:24  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:55:24  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:55:27  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:55:50  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:55:50  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:55:50  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:55:53  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:56:16  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:56:16  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:56:16  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:56:19  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:56:42  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:56:42  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:56:42  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:56:45  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:57:08  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:57:08  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:57:08  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:57:11  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:57:34  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:57:34  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:57:34  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:57:37  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:58:01  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:58:01  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:58:01  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:58:04  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:58:27  daemon  pppd[16762]: Couldn't get channel number: Transport endpoint is not connected
  Oct 07 00:58:27  daemon  pppd[16762]: PPP: PPP Server No Response !!! 
  Oct 07 00:58:27  daemon  pppd[16762]: Doing disconnect
  Oct 07 00:58:30  daemon  pppd[16762]: PPP: Start to connect ... 
  Oct 07 00:58:44  daemon  pppd[16762]: PPP server detected. 
  Oct 07 00:58:44  daemon  pppd[16762]: PPP session established. 
  Oct 07 00:58:44  daemon  pppd[16762]: Using interface pppewan_1
  Oct 07 00:58:44  daemon  pppd[16762]: Connect: ppp_ewan_1 <--> eth0
  Oct 07 00:58:44  daemon  pppd[16762]: Couldn't increase MTU to 1500.
  Oct 07 00:58:44  daemon  pppd[16762]: Couldn't increase MRU to 1500
  Oct 07 00:58:44  daemon  pppd[16762]: Couldn't increase MRU to 1500
  Oct 07 00:58:44  daemon  pppd[16762]: PPP LCP UP. 
  Oct 07 00:58:44  daemon  pppd[16762]: Couldn't increase MTU to 1500.
  Oct 07 00:58:44  daemon  pppd[16762]: Couldn't increase MRU to 1500
  Oct 07 00:58:44  daemon  pppd[16762]: Couldn't increase MRU to 1500
  Oct 07 00:58:44  daemon  pppd[16762]: PPP LCP UP. 
  Oct 07 00:58:45  daemon  pppd[16762]: local  IP address  <removed>
  Oct 07 00:58:45  daemon  pppd[16762]: remote IP address <removed>
  Oct 07 00:58:45  daemon  pppd[16762]: primary   DNS address 212.159.6.9
  Oct 07 00:58:45  daemon  pppd[16762]: secondary DNS address 212.159.6.10
  Oct 07 00:58:45  daemon  pppd[16762]: Received valid IP address from server.  Connection UP. 
  Oct 07 00:58:46  user  syslog: begin: interface: ppp_ewan_1 go to up 
  Oct 07 00:58:49  user  syslog: end: interface: ppp_ewan_1 go to up 
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