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
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