How to achieve modern devices using Wi-Fi 7 over the 6 GHz band, while older devices connect to Wi-Fi over the 2.4 and 5 GHz bands.

• wlan access
• General
• Cloudnet

Introduction to UIS 8.0 Branch

• Installation and deployment
• Plan upgrade

ADDC Solution Meaning of DHCP Address Lease Time in Virtual Link Layer Network

• host Overlay
• network Overlay

UIS prompts server abnormal when adding a new host node

• Cloud host

unisystem network configuration error: "Failed to issue the command"

• FIST
• Universal

Traffic cannot be forwarded correctly after configuring NAT in the CAS's VM

• Cloud Computing

Technical Announcement on Memory Support for H3C AMD G7 Server at 6400MHz

• RAM
• H3C rack series

Technical Announcement on OCP Network Card or NVMe Drive Speed Slowdown in Ubuntu

• Linux system installation
• Linux system tuning
• Universal
• H3C rack series

CAS modifies the monitoring data retention duration in the background

• MySQL
• Cloud host

Connectivity Issue in IKEv2 IPsec Tunnel with FortiGate Firewall

• IKE
• IPSec VPN
• NGFW Firewall

Technical Announcement on the Impact of the 2025.8.19 Expiration of EIA Built-in Certificates and Countermeasures

• iMC EIA
• iMC UAM
• U-Center 2.0
• U-Center 5.0
• Radius

Wireless Terminal Acquiring Multiple Addresses via VLAN-Group Method Leading to Insufficient IP Address Pool Resources

• wlan access
• VLAN
• General

The newly deployed cas environment CVM page reports an error when logging in with the account password of admin/Cloud@1234

• Cloud Computing

MPLS L2VPN Business traffic is blocked

• MPLS L2VPN
• S5500V2/S5500SEI-D/S5560/S5570/S5590 Series

LDAP users cannot log in to iMC

• LDAP

Firewall configuration user password mailbox random send

• Other
• Firewall M9000 Series, M9000-S Series, M9000-X Series, M9000-AI Series
• NGFW Firewall
• Load balancing
• Intrusion prevention system

After adjusting the default ports for firewall SSH and web at a certain site, login failed and the page became unresponsive.

• WEB management
• Other
• Firewall M9000 Series, M9000-S Series, M9000-X Series, M9000-AI Series
• NGFW Firewall
• Load balancing
• Intrusion prevention system

Serial transparent proxy deployment WAF has no access log and protection log

• Web protection
• WEB application security

Campus core switch The inbound traffic volume drops below the alarm threshold

• SNMP
• Ethernet interface
• General

A certain site S6805-56HF-G alarm analysis Continous packet loss no longer detected on protocol message queue 125

• CPU
• Packet loss
• S6300/S6520/S6525/S6550/S6800/S6900 Series