06-25-2013 11:51 AM - edited 03-04-2019 08:18 PM
Hello,
I'm based in the UK and have had a new ADSL line put into a remote site by BT (British Telecom). It is an ADSL 2+ line and I have configured it as A VPN back to our site. All is working but the line is unstable and it goes down for 20 seconds every 20 mins or so, sometimes it is longer or less,quite random, this also happens if I take the VPN config off. I phoned BT and they said they don't support Cisco 877s or 1800s that use the Alcatel chipset and said we should get rid of using Cisco (what!!). Anyway is there a work around, do I need to update my ADSL modem firmware (not sure how you do this) or are they right?
Some info:
Show flash
Directory of flash:/
2 -rwx 21910432 Mar 1 2002 00:22:01 +00:00 c870-advipservicesk9-mz.124-24.T8.bin
3 -rwx 660 Jun 11 2013 10:19:32 +01:00 vlan.dat
27611136 bytes total (5693440 bytes free)
Show version
Cisco 877 (MPC8272) processor (revision 0x400) with 118784K/12288K bytes of memory.
Processor board ID FGL153224W1
MPC8272 CPU Rev: Part Number 0xC, Mask Number 0x10
4 FastEthernet interfaces
1 ATM interface
128K bytes of non-volatile configuration memory.
28672K bytes of processor board System flash (Intel Strataflash)
sh dsl int atm 0
ATM0
Alcatel 20190 chipset information
ATU-R (DS) ATU-C (US)
Modem Status: Showtime (DMTDSL_SHOWTIME)
DSL Mode: ITU G.992.5 (ADSL2+) Annex A
ITU STD NUM: 0x03 0x3
Chip Vendor ID: 'STMI' 'TSTC'
Chip Vendor Specific: 0x0000 0x0510
Chip Vendor Country: 0x0F 0xB5
Modem Vendor ID: 'CSCO' 'TSTC'
Modem Vendor Specific: 0x0000 0x5100
Modem Vendor Country: 0xB5 0xB5
Serial Number Near: FGL153224W 877-K9 12.4
Serial Number Far: Chip ID: C196P (1)
DFE BOM: DFE3.0 Annex A (1)
Capacity Used: 100% 100%
Noise Margin: 5.5 dB 5.0 dB
Output Power: 20.5 dBm 12.5 dBm
Attenuation: 36.0 dB 19.0 dB
FEC ES Errors: 758 307359
ES Errors: 3 27923
SES Errors: 1 3272
LOSES Errors: 1 2315
UES Errors: 0 1667
Defect Status: None None
Last Fail Code: None
Watchdog Counter: 0x11
Watchdog Resets: 0
Selftest Result: 0x00
Subfunction: 0x00
Interrupts: 23720321 (0 spurious)
PHY Access Err: 0
Activations: 149
LED Status: ON
LED On Time: 100
LED Off Time: 100
Init FW: init_AMR-3.0.014_no_bist.bin
Operation FW: AMR-3.0.014.bin
FW Source: embedded
FW Version: 3.0.14
DS Channel1 DS Channel0 US Channel1 US Channel0
Speed (kbps): 0 13444 0 804
Cells: 0 10347 0 1445512
Reed-Solomon EC: 0 8991 0 4347917
CRC Errors: 0 3 0 161230
Header Errors: 0 3 0 257708
Total BER: 0E-0 1098E-9
Leakage Average BER: 0E-0 1098E-9
Interleave Delay: 0 8 0 63
ATU-R (DS) ATU-C (US)
Bitswap: enabled enabled
Bitswap success: 0 0
LOM Monitoring : Disabled
Thanks for your time
Solved! Go to Solution.
06-26-2013 03:05 AM
adsl_alc_20190_0.0.026.bin Is the FW you want. This has been specifically designed for the DSLAMs in the UK.
06-25-2013 12:03 PM
If you search the forum there are various threads on the subject, with the information have asked for.
06-25-2013 12:06 PM
I've seen some, but they are quite old posts. I will continue to look.
06-25-2013 02:11 PM
Do you have a service contract ? I stumbled across this firmware release today
http://software.cisco.com/download/release.html?mdfid=281993180&flowid=534&sof
twareid=282821763&release=0.0.026&relind=AVAILABLE&rellifecycle=&reltype=latest
release notes for which are here:
http://www.cisco.com/web/software/282821763/56781/RLN_0026.txt
It's specifically intended for deployment at BT.
06-26-2013 02:52 AM
You need to upgrade the DSL FW to version 0.0.026
The file name will be adsl_alc_20190_0.0.026.bin when downloaded from Cisco however will need to be renamed to
adsl_alc_20190.bin for the router to pick it up.
Easiest way is to use tftp/ftp to get the FW onto the router:
copy tftp flash
(TFTP Server IP)
(Source filename)
(Destination Filename)
Do a sh flash to check the FW is in the routers flash and is named correctly. Reload the router and the router will pick up the new FW. Do a sh dsl int atm0 again to show it is using the updated FW.
This FW should improve the noise margin for the DSL connection, so far it has improved around 2000 DSL connections we manage.
06-26-2013 02:57 AM
Looks I can download adsl_alc_20190_6.0.010.bin, should I try this?
Thanks
06-26-2013 03:05 AM
adsl_alc_20190_0.0.026.bin Is the FW you want. This has been specifically designed for the DSLAMs in the UK.
06-26-2013 03:35 AM
Just tried it on a local router:
Init FW: init_AMR-5.0.007.bin
Operation FW: AMR-E-0.0.026.bin
FW Source: external
FW Version: 0.0.26
Will try in on my remote one.
06-26-2013 05:04 AM
I know it is early days, but I hae sen a significate improvement already!
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