ZyXEL GS1920 Series User Guide - Page 155
Viewing and Editing
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Chapter 20 Classifier Table 63 Advanced Application > Classifier (continued) LABEL IP Protocol DESCRIPTION Select an IP protocol type or select Other and enter the protocol number in decimal value. Refer to Table 66 on page 156 for more information. IPv6 Next Header You may select Establish Only for TCP protocol type. This means that the Switch will pick out the packets that are sent to establish TCP connections. Select an IPv6 protocol type or select Other and enter an 8-bit next header in the IPv6 packet. The Next Header field is similar to the IPv4 Protocol field. The IPv6 protocol number ranges from 1 to 255. Source IP Address/ Address Prefix Socket Number You may select Establish Only for TCP protocol type. This means that the Switch will identify packets that initiate or acknowledge (establish) TCP connections. Enter a source IP address in dotted decimal notation. Specify the address prefix by entering the number of ones in the subnet mask. A subnet mask can be represented in a 32-bit notation. For example, the subnet mask "255.255.255.0" can be represented as "11111111.11111111.11111111.00000000", and counting up the number of ones in this case results in 24. Note: You must select either UDP or TCP in the IP Protocol field before you configure the socket numbers. Select Any to apply the rule to all TCP/UDP protocol port numbers or select the second option and enter a TCP/UDP protocol port number. Refer to Table 67 on page 157 for more information. Destination IP Address/ Address Prefix Enter a destination IP address in dotted decimal notation. Specify the address prefix by entering the number of ones in the subnet mask. Socket Number Note: You must select either UDP or TCP in the IP Protocol field before you configure the socket numbers. Add Cancel Clear Select Any to apply the rule to all TCP/UDP protocol port numbers or select the second option and enter a TCP/UDP protocol port number. Refer to Table 67 on page 157 for more information. Click Add to insert the entry in the summary table below and save your changes to the Switch's run-time memory. The Switch loses these changes if it is turned off or loses power, so use the Save link on the top navigation panel to save your changes to the non-volatile memory when you are done configuring. Click Cancel to reset the fields back to your previous configuration. Click Clear to set the above fields back to the factory defaults. 20.2.1 Viewing and Editing Classifier Configuration To view a summary of the classifier configuration, scroll down to the summary table at the bottom of the Classifier screen. To change the settings of a rule, click a number in the Index field. Note: When two rules conflict with each other, a higher layer rule has priority over lower layer rule. GS1920 Series User's Guide 155