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No ping reply from BRAS to IPMA of UA5000

Publication Date:  2012-07-24  |   Views:  165  |   Downloads:  0  |   Author:  00701219Khurram Abbasi  |   Document ID:  EKB0000307629

Contents
Issue Description Alarm Information Handling Process Root Cause Suggestions

Issue Description

Our Network is: 
  UA5000(IPMA) -- Metro1000 -- Metro3000 -- Metro5000 -- BRAS(MA5100)
UA5000 cannot connect to BRAS

Alarm Information

Request timeout, when ping from IPMA to BRAS and vice versa

Handling Process

-  IPMA configuration at UA5000 is verified as per plan. Correct VLAN and routing configuration.
-  EFS configuration(EP-LAN) at Metro1000 is verified as per plan. correct VLANs and payloads assigned.
-  EFS configuration(EP-LAN)  at Metro3000(Transmission) is verified as per plan .Correct the transmission payloads assigned at EFS card and correct the VLAN configuration with VCTRUNKS of EFS card.
- EG2S configuration at Metro5000 is checked and also found that VLANs assigned at EGS2 card were correct but binded to wrong VCTRUNKS
VLAN configuratiuon of EGS2 is modified and VLANs are added to correct VCTRUNK and payloads.

Root Cause

VLANs are added in wrong VCTRUNK and with wrong payloads.

Suggestions

 
While adding VLANs at EFS or EGS2 cards at transmission end, we should double check whethher the are binded with correct payloads or not otherwise service 
will not up and its hard to diagnose this fault
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