We have a Cisco 1841 DSL router in a remote office set up as a VPN back to out HQ. It has become unrealable over the last few days and te ISP say the line is fine so it must be our router. It has been running for years without issues.
I'm wondering if it is the firmware or modem version, but can you tell anything from this output as I don't uinderstange the noise margins?
show dsl interface atm 0/0/0
Alcatel 20150 chipset information
ATU-R (DS) ATU-C (US)
Modem Status: Showtime (DMTDSL_SHOWTIME)
DSL Mode: ITU G.992.1 (G.DMT) Annex A
ITU STD NUM: 0x01 0x1
Vendor ID: 'ALCB' 'GSPN'
Vendor Specific: 0x0000 0x0008
Vendor Country: 0x00 0xFF
Capacity Used: 98% 110%
Noise Margin: 10.0 dB 10.0 dB
Output Power: 20.0 dBm 12.0 dBm
Attenuation: 46.0 dB 27.5 dB
Defect Status: None None
Last Fail Code: None
Selftest Result: 0x00
Interrupts: 2657 (0 spurious)
PHY Access Err: 0
LED Status: ON
LED On Time: 100
LED Off Time: 100
Init FW: embedded
Operation FW: embedded
SW Version: 3.8131
FW Version: 0x1A04
Compiled Wed 22-Aug-12 03:36 by prod_rel_team
ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)
1841 uptime is 25 minutes
System returned to ROM by power-on
System restarted at 10:56:11 utc Thu Feb 6 2014
System image file is "flash:c1841-advipservicesk9-mz.124-25g.bin"
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