ZyXEL Communications GS3700 Series, Руководство пользователя

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5.10.5 What Could Go Wrong
1 When setting up the Classifier, remember to consider both
source and destination. In the example, if we only created a
policy rule for source VLAN 20, but didn’t create the policy rule
for destination IP (Server IP: 192.168.1.150), the switch will block
all the traffic from VLAN 20 no matter where the destination is.
2 Go to Menu > Advanced Application > Classifier . Check
“Count”. If the traffic matches the classifier, the Match Count
for this classifier should be increasing every time the web page
refreshes.