DSL and/or Routing Problems
Chris Brookes
lists at txrx.org
Tue Mar 30 13:18:10 UTC 2004
Jon.Kibler at aset.com wrote:
> This connection uses a Cisco 827 ADSL router and has several static IPs. All IPs
> show identical delays. Using other circuits between the same two locations, we
> do not see any delays.
What's the weather like? ;-)
See if you can get the ADSL router to give you upstream/downstream noise
margins and any other userful reporting ...
AR Driver Counters Display :
TX :|packets: 8597915 = direct: 2923483 + qued: 5674434
| = oamF4: 0 + oamF5: 0 + others
|fail count = chNoEr: 0 + dropped: 0
|txMissIsr= 0, queCnt= 0, txOnGoing= 0
RX :|packets: 8924470 = toATM: 8919249 + loopback: 0 + errors
| , where oamF4: 0, oamF5: 0
|errors = crc: 5069 + mbuf: 0 + len: 0 + pad: 0 + strayed: 151
|rxMissIsr= 0, queCnt= 0, nonAA= 0, sramErr= 0, reqSramMax= 6
|dummyIsr = 256833, fpgaIsr = 14826785
VC( 0 to 3 ) : 08924319 00000000 00000000 00000000
VC( 4 to 7 ) : 00000000 00000000 00000000 00000000
VC( 8 to 11 ) : 00000000 00000000 00000000 00000000
VC( 12 to 15 ) : 00000151
Upstream Noise Margin
relative capacity occupation: 78%
noise margin upstream: 11.0 db
output power downstream: 16.0 dbm
attenuation upstream: 31.5 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 04 67 77 66 65 66 66 66 66 55 54 43 00
tone 32- 63: 00 00 00 44 55 66 66 66 66 66 66 66 66 66 26 66
tone 64- 95: 66 65 55 54 45 55 55 44 44 44 44 44 44 43 33 22
tone 96-127: 22 22 02 22 22 20 00 00 00 00 00 00 00 00 00 00
tone 128-159: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 160-191: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 192-223: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 224-255: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Downstream Noise Margin
relative capacity occupation: 95%
noise margin downstream: 6.5 db
output power upstream: 12.0 dbm
attenuation downstream: 66.5 db
carrier load: number of bits per symbol(tone)
tone 0- 31: 00 00 00 04 67 77 66 65 66 66 66 66 55 54 43 00
tone 32- 63: 00 00 00 44 55 66 66 66 66 66 66 66 66 66 26 66
tone 64- 95: 66 65 55 54 45 55 55 44 44 44 44 44 44 43 33 22
tone 96-127: 22 22 02 22 22 20 00 00 00 00 00 00 00 00 00 00
tone 128-159: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 160-191: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 192-223: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
tone 224-255: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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