bb trouble shooting-2

8/11/2019 BB Trouble Shooting-2

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( TROUBLE SHOOTING GUIDELINES)


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ASYMMETRIC DIGITAL

SUBSCRIBER LINE

SplitterSplitter

EXCHANGE

ADSL

LT

ISP

Exchange

Eqpt .

Existing

CopperLines

ADSL MODEM


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BB Complaints

Find out from Customer if Telephone is

working Or Any other problem

IF Telephone Ask for Power Ask ADSL Ask LAN/USB

is working LED Status LED Status LED Statusor not

IF Telephone is not working, Send L/M

Any other problem like

No Internet browsing

Speed Problem

Particular site notopening


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Verify CPE / LED status

Power LED

If ON &

Stable,OK

If OFF

Check AC Supply

Check Adapter

May be CPE Faulty

Status/ACT LED

ON/Blinking

OK

OFF

CPE Faulty

ADSL/Link LED LAN/USB LED

Stable OFF /Blinking

Stable

or

Blinking

Line or

DSLAM port

problem

OFF

OKConnection

problem

Check the Ethernet/USB cable for loose connection

Reinsert the cable on PC and ADSL CPE

Switch ON-OFF the Modem

Check if LAN card/USB is installed from NetworkAdaptor under Device Manager


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ADSL/Link LED

Stable Not StableOFF

Check & reinsert the cable

from Splitter to Modem

Check jumper at MDF

Check DSLAM port at MDF

If OK at MDF, line problem

Check if any parallel Connection

before splitter

Check if any joints in drop wire

Check if proper punching at DP/

Pillar/MDF

Change ADSL Mode setting from

AUTO/ADSL2+/ADSL

to G.DMTor G.Lite

Check Attn parameters through

PEM or S/R

Test the DSLAM port at MDF

Check ATTEMPTS

in RADIUS


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TO CHANGE ADSL MODE


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MODEM HOME PAGE


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Check

Attempts

For Ericssonhttp://bol.net.in/bbadmin/bbquery.jsp

For Huawei http://reportstool.mpls.co.in:20080

(Add-Run->drivers->etc->hosts->notepad->add->202.159.215.146

reportstool.mpls.co.in)

IF Authorized,check status in Modem. It should show connected and IP address allottedto modem

IF Wrong password/VMAC mismatch, Update password or release VMACIF status DNP, check at CSMS & send e-mail to NOC if No. is RNP

IF Number Inactive, check whether jumpering is done in correct port corresponding tocorrect server (Ericsson/Huawei)

IF NO ATTEMPTS

Check port profile

Check port at MDF

Check connectivity between PC and CPE by pinging 192.168.1.1.(in case ofchecking at subs PC)

Check TCP/IP properties. (in case of checking at subs PC)

Check configuration of MODEM of subs PC


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ATTEMPTS IN ERICSSON


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Login Attempts

Login Attempts of User "27933208"

User Status : Active

MAC ID in System :Thu Nov 6 15:18:27 2008: [13803] Auth request for Username "27933208"

MacId "fe:00:21:5c:03:1e" from 59.179.0.132/50000.219

Thu Nov 6 15:18:27 2008: [13803] check: user 27933208 Password not correct

Thu Nov 6 15:18:27 2008: [13803] Username "27933208" rejected.


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NO INTERNET BROWSING

LAN Should be enabled

Check if correct DNS as per system (Ericsson/Huawei) is being used

DNS for Ericsson & Huawei:

59.179.243.70 & 203.94.243.70

Check LAN settings of browser under connections (There should be Noproxy) (Tools Internet options Connections LAN SettingsProxy Server)

Internet explorer may have trouble.Try with Firefox Mozilla or otherbrowsers

Check by pinging any site (StartRunping www.google.co.in)If pinging, OK, otherwise give command nslookup& then enter site name.It should resolve the IP address. If not, contact NOC for DNS problem
http://www.google.co.in/http://www.google.co.in/


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Speed Problem

Check BB plan from site (register.bol.net.infor Ericsson& register.mtnldelhi.infor Huawei) & check if port profileare as per plan

Check Downstream rate & Upstream rate from Modem

Check at MDF for speed & get port synchronized fromNOC (if needed)

Delete cookies / Temporary internet files / Check RAM /Disable Firewall (Tools Internet Options DeleteCookies / Delete Files)

Low speed could be due to spyware/viruses in PCLow speed could be due to low cable pair/highattenuation

Speed is also affected by PC configuration.


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Particular site problem

Check parameters in Modem:

MTU = 1492

MSS = 1360

Check by pinging the site (ping

www.yahoo.com). If pinging, but site not

opening check browser settings

If not pinging give command tracertand send result to BB unit
http://www.yahoo.com/http://www.yahoo.com/


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IP addressof Some Web sites

WEBSITE NAME IP ADDRESS

google.co.in 72.14.203.104, 74.125.91.104, 74.125.127.104

rediff.com 64.208.21.9, 64.208.21.8

cbse.nic.in 164.100.52.226

gmail.com 209.85.225.83, 74.125.79.83, 74.125.127.83

irctc.co.in 202.93.154.28

Yahoo.com 209.131.36.159, 209.191.93.53, 69.147.114.224

msn.com 207.68.172.246


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SUGGESTIONS AND INNOVATIVE

IDEAS OF ATTENDING FAULTS

FASTER ARE MOST WELCOME

THANKS

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