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

ADDC customer virtual machine port 443 connectivity troubleshooting case CAS CloudOS

• network Overlay
• Cloud host

Case study on terminal disconnection caused by radar signal triggering AP radio frequency (RF) channel or bandwidth switchover

• wlan RRM
• wlan access
• vAC
• Other

S7506X-G Python file encryption

• console
• S7500E/S7500E-X/S7500E-XS/S7500X/S7500X-X/ S7500X-G Series

GPON Management System network management system (NMS) base-service service is not enabled, login web error

• EPON-OLT
• Other

After a power outage at a certain site, approximately 70 APs failed to come online

• AP management
• WA6600/WA6500/WA6300/WA5600/WA5500/ WA5300/WA4600/WA4300 series

A certain site UOS terminal 802.1X authentication fail, Windows terminal normal

• wlan access
• V7 AC

A certain site reports network disrupt during handheld terminal roaming

• wlan access
• MAC address authentication
• V7 AC

After the primary node is down and restored normally, the uis interface cannot be accessed

• WAN interface
• UIS

Troubleshooting no data issue in F1000-AK firewall application analysis center

• WEB management
• Other
• NGFW Firewall

Case study on multiple did files in VAC device at a certain site

• License
• Other

S5590-28T8XC-EI-H3 mirror configuration has packet loss logs

• Packet loss
• S5500V2/S5500SEI-D/S5560/S5570/S5590 Series

ACG1000 SMS authentication first-time authentication prompt failed to verify the identity of the website

• ACG1000
• Application control gateway products

At a certain site, S6805-56HF-G wired portal authentication allows internet access without online portal information. Analyze the cause.

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