Troubleshooting guide

Index
93
communication failures when link
aggregation used, 30
Ethernet port, 24
functional failures during operation, 13
how to get failure information, 79
IPv4 network communication failures, 47
Layer 2 authentication communication
failures, 50
Layer 2 communication by VLANs, 32
Layer 2 network communication failures, 32
login, 14
multicast forwarding by IGMP snooping, 42
multicast forwarding by MLD snooping, 44
network interface communication failures,
24
NTP communication failures, 71
operation terminal/console, 15
PoE problems [AX2200S] [AX1240S], 29
port mirroring failures, 74
power saving, 75
RAMDISK, 20
restoration, 21
saving, 19
SNMP communication failures, 68
Spanning Tree functionality used, 34
switch failures, 9
switch failures, procedure, 10
when DHCP snooping functionality used, 37
when Ring Protocol functionality used, 36
U
update
using ppupdate command, 21
uplink redundancy
troubleshooting communication failures, 66
user ID
forgotten at login, 14
W
Wake-on-LAN
troubleshooting communication failures, 63
Web authentication
troubleshooting communication failures, 54