The 691 Or 678 Error Occurs When The Multi-Pvc Service Is Configured On The Single-Pvc Modem Working With The Dslam - Huawei MA5600 Manual

NGN Cases
n:
Cause Analysis: 1. The user name or password is incorrect.
2. The BAS is improperly connected to the RADIUS server.
3.The modem cannot cooperate with the MA5600 well.
Handling Proces
1. Check the user name and password. It is found that they are correct.
s:
2. When the modem providing four Ethernet ports is used, the service is always normal. Therefore,
it can be determined that the BAS is properly connected to the RADIUS server.
3. When error 691 for the subscriber connection is displayed, it is found that PVC (0,35) cannot be
pinged but PVC (8,81) can by running the atm-ping command. Therefore, it can be determined that
the connection between the modem and the MA5600 adopt PVC (8,81) but the account is that for
the common Internet access service. Thus, error 697 is generated.
By default, these two PVCs (0,35) and (8,81) are configured on a common modem, which chooses
a PVC at random when the MA5600 is configured with multiple services. Test shows that the fault
cannot be rectified if PVC (8,81) is deleted. Delete the IPTV service configured on the MA5600
ADSL port. It is found that the fault is rectified.
Suggestions and
Among the four Ethernet ports of the modem, by default, the first two use PVC (0,35), used for the
Summary:
Internet access service, and the last two use PVC (8,81), used for the IPTV service. No additional
PVC exists, so no fault occurs in the case of the four-port modem.
Furthermore, we can set the common modem to work in the auto-dialup mode (VPI 0 and VCI 35 is
used) to avoid such a fault.
1.5 The 691 or 678 Error Occurs When the Multi-PVC Service Is Configured on the
Single-PVC Modem Working with the DSLAM
The 691 or 678 Error Occurs When the Multi-PVC Service Is Configured on the
Title:
Single-PVC Modem Working with the DSLAM
ID: SE0000390210
Information
Troubleshooting Cases
Type :
Product Family: Broadband Access
Fault Type: ADSL Access Service
Keywords: Multi-PVC, dial-up, 678, 691, single-PVC modem
Permission Level: 04Common Users Permission
Phenomenon Descr
Networking: PC----modem----MA5600----L2----BRAS
iption:
1. The modem is a single-PVC modem. 0/32 (VLAN 10) corresponds to the dial-up service, 0/33
(VLAN 20) to the IPTV service, 0/34 (VLAN 30) to the VoIP service, and 0/35 (VLAN 40) to
terminal management.
2. The PPPoE dial-up service is enabled on the BRAS for the four VLANs.
3. The user account is bound to VLAN 10 on the RADIUS server.
When non-multi-PVC users dial up, sometimes the 691 error occurs, and sometimes the 678
error occurs. When the modem of the user is powered off and reset, the user can dial up
successfully sometimes; when the board on the device is reset, the user can also dial up
successfully sometimes.
Alarm Informatio
Null
n:
Cause Analysis: 1. When the user dials the numbers, the PADI packet is sent from the user side. After the PADI
packet arrives at the ADSL service board, the packet is broadcast to the four PVCs. After the
BRAS receives the PADI packet, the BRAS processes the packet and responds with the PADO
packet because the PPPoE dial-up service is enabled for the VLANs of the four PVCs. Then,
based on the line conditions, latency, and the time required for the processing on the BRAS, the
modem adapts to only the PVC whose PADO packet is received first by the modem. Then, the
modem does not adapt to other PVCs, because the modem is a single-PVC modem.In the
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Chapter 1 MA5600 Cases
Quality Level:
C
Product: SmartAX MA5600