Huawei Switch

CE12804S 40G Port not coming UP

Issue Description Port was not coming UP when connected 40G from CE12804S to CE6800. SFP model used for connection : - Part : - 02311PUU Model : -  QSFP-40G-SDLC-PAM Alarm Information * port not showing UP in display interface brief * also display transceiver verbose we see no RX Power. Handling Process for troubleshooting we tested local Loop on CE6800 and CE12804S as below 1. CE6800 <---- 40G Fiber ----- >  CE6800              || UP successful 2. CE12804S <---- 40G Fiber ----- >  CE12804S         || NOT UP  from above test cable and SFP is fine. seems issue on CE12804S   on CE12804S from display alarm and display logbuffer we can see resource-mismatch error for all interface. Solution reset the Card where the error has occurred. after reset port was up and working fine.

Importance of Route-tag in OSPF using VPN-instance

Issue Description S6720-30C-EI-24S-AC / V200R008C00SPC500 The problem is that all the external routes (imported/redistributed) are in LSDB of S6720 but not installed in vpn-instance routing table. We configured OSPF in VPN-instance between the 2 switches. On LSW2 we configured a static-route to null0 interface and imported in OSPF. Here is the LSDB and routing table...

OSPF Neighbor Relationship Flapping Caused by an Unstable Link

Issue Description   Applicable Products and Versions: In this example, the switches support Open Shortest Path First (OSPF). Table 4-1 describes the versions and products that support OSPF. Table 4-1 Product and version support for OSPF Networking: As shown in Figure 4-1, the switch directly connects to the NE40E. A VLANIF interface on the switch...

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 Of Add NAS-port-type with attribute value 5 fail For S12700(V200R007C00SPC500)

Issue Description Add attribute 61 (NAS-port-type) with attribute value 5 fail S12700(V200R007C00SPC500) Alarm Information <LANCore-1> Dec  8 2015 14:01:55.636.5+01:00 LANCore-1 RDS/7/DEBUG:   Server Template: 0   Server IP   : 10.1.11.22   Protocol: Standard   Code    : 1   Len     : 123   ID      : 44   [User-Name                          ] [13] [Basschilder]   [User-Password                      ] [18] [7c aa 23 8a 96 a4 19...

The high usage (100%) issue on interface of the access Switch

Issue Description Customer found the high usage (100%)  issue on interface of the access Switch, then affected the service of the servers connecting the access switch. Handling Process 1.       Login the access switch “xx-xx-xx-1” xx.xx.xx.xx, and found the member interface XG0/0/4 of eth-trunk 1 with high usage (100%) of bandwidth: 2.       “Display interface XGigabitEthernet 0/0/4”...

The Console Port Password of the S2700 of an Earlier Version Is Forgotten

Issue Description The console port password of the S2700 of an earlier version is forgotten. Handling Process To restore the password of a Huawei switch, perform the following steps. (In the following operations, the password is required for entering the BootROM. Try the following default passwords: huawei, [email protected] www.huawei.com, and [email protected]) Restart the...