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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.

2022-07-01

By LuisHuawei Switch0 Comments

Multiple Servers Connected to an S7700 Cannot Communicate

Issue Description As shown in Figure, an S7706 that runs V200R001C00SPC300 and V200R001SPH007 functions as the aggregation switch in the server area and serves as the gateway of all servers. Multiple VLANs are assigned on the S7700, multiple servers are deployed in each VLAN, and servers in different VLANs need...

2021-06-04

By TMAdminHuawei SwitchHow to do0 Comments

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...

2021-05-26

By TMAdminHuawei SwitchHow to do0 Comments

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...

2021-05-26

By TMAdminHuawei Router, Huawei SwitchGet to know0 Comments

High CPU issue while passing high load data traffic through S6700

Issue Description The customer noticed that while he is passing 9 Gbps through one S6700 switch (being part of RRPP ring) and coming from a single port the CPU rises up until 60 %. When the customer stops the traffic the CPU usage drops down again to its normal values. Big...

2021-05-26

By TMAdminHuawei SwitchHow to do0 Comments

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...

2021-05-11

By TMAdminHuawei SwitchHow to do, Trouble Case0 Comments

VRRP slow switching from backup to master on S6730

Issue Description Customer encounters an issue with VRRP switchover on two 2 x S6730-H switches configured with VRRP. After VRRP master switch restarts, VRRP backup switch becomes the master. The switchover should occur in seconds, but it takes up to 5 minutes. Handling Process 1. Check the status of vrrp from the output of...

2021-04-23

By TMAdminHuawei SwitchGet to know0 Comments

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...

2021-04-16

By TMAdminHuawei SwitchHow to do0 Comments

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”...

2021-03-11

By TMAdminHuawei SwitchHow to do0 Comments

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...

2021-03-05

By TMAdminHuawei SwitchHow to do0 Comments

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