Android device cannot obtain an IPv6 address

• DHCPv6
• S6300/S6520/S6525/S6550/S6800/S6900 Series

iMC V7 icc all device backup fail tftp transmission fail prompt Access violation

• PLAT
• iCC

A certain site's iMC cannot be accessed via HTTPS

• PLAT

IPSec phase one IKE negotiation failed

• IPSec VPN
• MSRG2 Series

Packet filtering does not take effect on the outbound orientation of the 7506X-G vlan interface

• VLAN
• S7500E/S7500E-X/S7500E-XS/S7500X/S7500X-X/ S7500X-G Series
• S10500/S10500-X/S10500X-G Series

Create or delete rules in the basic ACL of switch products via SNMP set

• ACL
• SNMP
• General

High ping latency issue with S5130V2-LI/S5130V2-SI switch

• Ethernet interface
• Other

Can MAC-based VLAN and ip source binding be used together on S5130S-28P-EI

• ACL
• IP Source Guard
• S5100S-D/S5110V2/S5120V2/S5120V3/S5130/S5150 Series

The interface randomly goes down after connecting the SFP-GE-T-D optical-to-electrical module to the S6520X-54XG-EI-G

• Ethernet interface
• S6300/S6520/S6525/S6550/S6800/S6900 Series

eVPN learned a large number of arp

• EVPN
• Other

R5300 G5 T4 GPU UCE issue

• GPU
• H3C GPU server series

Analysis of AP timing disconnection issue at a certain site

• AP management
• The end of QinQ
• V7 AC

5130S-52S-EI-H1 ip source binding not effective

• ACL
• IP Source Guard
• S5100S-D/S5110V2/S5120V2/S5120V3/S5130/S5150 Series

POE power fail

• Ethernet interface
• General

★ A university site AC controller inexplicably added VLAN 336 unrelated to the business

• VLAN
• V7 AC

S10508-V insufficient ACL resources

• ACL
• S9500E/S12500 Series

Insufficient resource allocation for S12508F-AF

• QinQ
• ACL
• S12500X/F/S/R/X-AF/F-AF/M-AF/S12500-XS/S12500G-AF Series

A certain site S12516F-AF AC exit cannot call object group

• ACL
• S12500X/F/S/R/X-AF/F-AF/M-AF/S12500-XS/S12500G-AF Series

R4930 G7 expansion NVMe drive not identified in BIOS

• Physical Servers
• H3C rack series

The logic of OSPF automatic router-ID election

• OSPF
• General