Tag - Trouble Case

FAQ-How user without domain name could access to AR router?

Issue Description FAQ-How user without domain name could access to AR router? Solution FAQ-How user without domain name could access to AR router? A: The common configuration is as following. radius-server template domain_test radius-server shared-key cipher %@%@&N=i)rz0;DEvm/AAPN|*KVzI%@%@ radius-server authentication 172.1.1.10 1812 weight 80 radius-server accounting 172.1.1.10 1813 weight 80 undo radius-server user-name domain-included aaa authentication-scheme domain_test authentication-mode radius accounting-scheme domain_test accounting-mode radius accounting start-fail...

Cannot find iStack command

Issue Description   Customer cannot execute command interface stack-port command under system-view.   Handling Process   1. Request customer share diagnostic-information and check below information: - display version - display device 2. By version and device information, stack command should be able to execute. 3. Request customer to share all logs in logfiles. 4. Checked again the logs, show that previously stack...

Core Switch S12700 Direct Network Ping Timeout and Intermit

1. Basic Information Product Name Version s12700 v200r008c00spc500 2. Problem Description Details are: When Dell switch directly connect to S12700, most of users under Dell switch can’t ping S127000: 3. Problem Analysis 3.1 Check the ARP which IP ping timeout, there is no ARP or Incomplete ARP 3.2 There are a lot of ARP Attack alarm in log 3.3 Check...

Troubleshooting Wi-Fi Low Speed

Obstacles Causing Wi-Fi Signal Attenuation Main causes of signal attenuation are metal objects, walls (especially load-bearing ones), and large furniture or appliances. The empirical values of penetration loss of 2.4G electromagnetic waves through various building materials are as follows:   Table 1-2   Material Penetration Loss Reinforced concrete partition wall (load-bearing wall) 20–40 dB Floor 30 dB Concrete wall 10–18 dB Hollow brick...

S5700LI device lost packets

Issue Description Customer find there are many packets lost on S5700LI device , if they replaced a new device in the same network , there is no packets loss. Alarm Information Customer services take effected , because packets lost , some voice service cannot be up. Handling Process 【Problem Analysis】:checked diag information , there...

The NE40E IPoE Terminal Is Slow in Obtaining IP Addresses

Issue Description Device model: NE40E-X8 Software version: V600R009C20SPC600 Symptom: An IPoE terminal is slow in obtaining IP addresses, taking over 20 minutes. Handling Process 1.Log in to the NE40E to check the cause of the user online failure. It is found that the DCHP server times out in waiting for packets sent from DHCP...

NE40E Esight Netstream NTA Traffic Statistics Inconsistency

Issue Description Problem: Esight Monitoring Fails to show Valid and Consistent Traffic figures on NE40E with Netstream Configured. Although sampling rate had been made more frequent to enhance the traffic accuracy on Esight, valid data and statistic analysis  still can not be shown. Handling Process Configuration of Netstream Parameters following the Manuals. Beware that the...

After service cutover is performed on the downstream service interface of an ME60, the original users cannot go online.

Issue Description After service cutover is performed on the downstream service interface of an ME60, the original users cannot go online.   Handling Process Run thedis access-user interface GigabitEthernet x/x/x.300Xcommand on the ME60 to check that no users go online from the service interface where cutover is performed. Run thedis aaa online-fail-record...

How to troubleshoot BRAS Hot-Standby issues on NE40E

Issue Description Customer deploy BRAS Hot-Standby for PPPoE service, the topology is shown below. The problem phenomenon is after CPE getting online, there is online information on BRAS_Master, but it doesn't synchronize to BRAS_Backup. On BRAS_Master: <NE40E-Master>disp aaa statistics ---------------------------------------------------------------------   Total  online users             4   PPPoE  online users             3  PPPoA  online users             0   VLAN   online...

S6700 some eth-trunk Member interface not forwarding any traffic

Issue Description 2*S6700 switches are stacked , and eth-trunk 2 was configured on it. it was observed that some eth-trunk member interface are not forwarding anytraffic out. TOPOLOGY : -  Alarm Information From the display interface brief there is no out traffic on port Xgig 1/0/1 and X gig 1/0/2 Handling Process when we checked inbound interface...