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Understanding my connection...
27-04-2013, 12:14 AM
Post: #11
RE: Understanding my connection...
Just thought I'd update this thread and let you know that I've had a very good week with my connection. The line-rate has remained around 20Mbps and I've not had any PPPoE drops during normal waking hours.

The only PPPoE disconnections that my HG612 has logged came around 5:30am on 24th April. However, I notice that other users have reported early morning connection drops this week so I'm guessing there have been some kind of network blips?

I don't know what has fixed my original problem but I'm certainly happy to be back at my proper speed again.

Cheers guys!
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28-04-2013, 10:32 PM (This post was last modified: 28-04-2013 10:54 PM by alexatkin.)
Post: #12
RE: Understanding my connection...
That is good to hear. For reference, mine is still going through its usual cycle:

Quote:Apr 24 16:29:46 pppd[11924]: Connected. Downstream 99999/114456, Upstream 35820/32935, Synced for 20 days, 0 hours, 0 minutes, 44 seconds (1728044 seconds).

Apr 25 20:03:57 pppd[11924]: Connect time 1 days, 3 hours, 34 minutes, 12 seconds (1654.2 minutes).

Apr 25 20:04:03 pppd[11924]: Connected. Downstream 99999/116968, Upstream 35820/33830, Synced for 21 days, 3 hours, 35 minutes, 2 seconds (1827302 seconds).
Apr 26 20:19:55 pppd[11924]: Connect time 1 days, 0 hours, 15 minutes, 54 seconds (1455.9 minutes).

Apr 26 20:20:01 pppd[11924]: Connected. Downstream 99999/117652, Upstream 35820/34479, Synced for 22 days, 3 hours, 51 minutes, 0 seconds (1914660 seconds).
Apr 28 19:57:46 pppd[11924]: Connect time 1 days, 23 hours, 37 minutes, 48 seconds (2857.8 minutes).

Apr 28 19:57:52 pppd[11924]: Connected. Downstream 99999/116968, Upstream 35820/34189, Synced for 24 days, 3 hours, 28 minutes, 53 seconds (2086133 seconds).
Apr 28 20:22:20 pppd[11924]: Connect time 0 days, 0 hours, 24 minutes, 30 seconds (24.5 minutes).

Apr 28 20:22:25 pppd[11924]: Connected. Downstream 99999/116968, Upstream 35820/33902, Synced for 24 days, 3 hours, 53 minutes, 25 seconds (2087605 seconds).
Apr 28 21:41:57 pppd[11924]: Connect time 0 days, 1 hours, 19 minutes, 36 seconds (79.6 minutes).

Apr 28 21:41:57 pppd[11924]: Connected. Downstream 99999/116740, Upstream 35820/34264, Synced for 24 days, 5 hours, 12 minutes, 58 seconds (2092378 seconds).

Normally I would force resync at this point to ensure my upstream is not causing the problem (being synced above the max attainable) but I am trying to see how long it remains in sync, how many errors it logs and if indeed that IS the pattern.

I did have a theory though but its pretty hard to prove, that perhaps the PTM layer drops the connection but the VDSL sync doesn't actually drop. So while the line is technically still synced it is not passing traffic for a few seconds and so PPP drops.

I'm also puzzled that the stats on the xTM page on the HG612 for Tx Bytes Count/Rx Bytes Count is considerably lower than the stats on the WAN, Network page for ptm1.10. Surely those numbers should be close as xTM should report ALL PTM traffic and ptm1.10 just the VLAN 10 traffic, which on my connection should be the same as its the only PTM in use.

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28-04-2013, 10:44 PM (This post was last modified: 28-04-2013 10:44 PM by bgnx.)
Post: #13
RE: Understanding my connection...
I used to think my cable connection from Virgin was stable... It used to drop perhaps once a month.

Compare that with DR............

DSL sync -

Code:
uptime: 18w6d6h52m40s

PPPoE uptime - (the drop was planned maintenance)

Code:
[admin@MikroTik] > interface pppoe-client monitor
numbers: ask4pppoe
        status: "connected"
        uptime: 9w20h18s
     idle-time: 0s
  active-links: 1
  service-name: "ask4-dr"
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28-04-2013, 11:26 PM (This post was last modified: 28-04-2013 11:48 PM by alexatkin.)
Post: #14
RE: Understanding my connection...
Awesome, its good to see someone on the network who doesn't get their PPP connection dropped every week or so.

I do wonder if its something as simple as the MikroTik not timing out as quickly when echo packets are lost.

Quote:Apr 28 21:41:57 Router daemon.info pppd[11924]: No response to 5 echo-requests
Apr 28 21:41:57 Router daemon.notice pppd[11924]: Serial link appears to be disconnected.
Apr 28 21:41:57 Router daemon.info pppd[11924]: Connect time 79.6 minutes.
Apr 28 21:41:57 Router daemon.info pppd[11924]: Sent 144071261 bytes, received 2284189987 bytes.
Apr 28 21:41:57 Router daemon.debug pppd[11924]: Script /lib/netifd/ppp-down started (pid 22519)
Apr 28 21:41:57 Router daemon.debug pppd[11924]: sent [LCP TermReq id=0x14 "Peer not responding"]
Apr 28 21:41:57 Router daemon.notice netifd: Interface 'wan' has lost the connection
Apr 28 21:41:57 Router daemon.debug pppd[11924]: Script /lib/netifd/ppp-down finished (pid 22519), status = 0x0
Apr 28 21:41:57 Router daemon.debug pppd[11924]: rcvd [LCP TermAck id=0x14]
Apr 28 21:41:57 Router daemon.notice pppd[11924]: Connection terminated.

I know the default setting on the latest OpenWRT did not allow long enough to even establish a PPPoE connection until I tweaked the script. However I am not aware of how how or even if you can configure PPPoE to hang onto the connection until say 10 echo requests have been ignored, which seems to be the core of the issue.

The thing is, I read about this issue YEARS before I got VDSL, its well well reported anywhere that PPPoE is in use. But then most routers will be using very similar builds of the pppd daemon so most will use the same default hard wired settings.

Wow am I a doofus, the options are actually in the LuCI WebUI in Advanced for WAN.

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28-04-2013, 11:50 PM
Post: #15
RE: Understanding my connection...
i have probably had maybe 2 drops in the past year, on the other hand my mate has two or three a day. its strange

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29-04-2013, 11:07 AM
Post: #16
RE: Understanding my connection...
I have absolutely no idea how many,or even if, my connection has dropped at all. Al I can say is that every time I have needed to use it, it has been there.

That is using a Netgear WNDR3700 which is an unimaginable improvement over the Origin supplied router which regularly (sometimes daily) used to "lose" it's wireless capability. I believe it remained connected to Origin at the time but because I rely on wireless I could not use it.

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29-04-2013, 12:21 PM (This post was last modified: 29-04-2013 01:19 PM by john22rob.)
Post: #17
RE: Understanding my connection...
(29-04-2013 11:07 AM)essenby Wrote:  I have absolutely no idea how many,or even if, my connection has dropped at all. Al I can say is that every time I have needed to use it, it has been there.

That is using a Netgear WNDR3700 which is an unimaginable improvement over the Origin supplied router which regularly (sometimes daily) used to "lose" it's wireless capability. I believe it remained connected to Origin at the time but because I rely on wireless I could not use it.

Was you loosing the wireless on the ZyXEL? This does happen often with me. I have to plug the Ethernet into the router n go to wireless settings and just click update and then I'm off again. A bit of a pain! But other than that the zyxel seems quite good

(28-04-2013 11:50 PM)john22rob Wrote:  i have probably had maybe 2 drops in the past year, on the other hand my mate has two or three a day. its strange

i spoke too soon lol, if you see my TBB graph you can see it dropped this morning about 9.45am but the modem says it has not been down for the last 24hrs.

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30-04-2013, 12:16 PM
Post: #18
RE: Understanding my connection...
This was with the TP-Link router. Origin kindly replaced the first one and the replacement had EXACTLY the same issue so I bit the bullet and bough the Netgear

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