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SMC Networks SMC8126L2 User Manual

SMC Networks SMC8126L2
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Configuring the Switch
3-70
3
host address in the Address field, or “IP” to specify a range of addresses with the
Address and SubMask fields. (Options: Any, Host, IP; Default: Any)
Source/Destination IP Address – Source or destination IP address.
Source/Destination Subnet Mask – Subnet mask for source or destination
address.
Service Type – Packet priority settings based on the following criteria:
- Precedence – IP precedence level. (Range: 0-7)
- TOS – Type of Service level. (Range: 0-15)
- DSCP – DSCP priority level. (Range: 0-63)
Protocol – Specifies the protocol type to match as TCP, UDP or Others, where
others indicates a specific protocol number (0-255). (Options: TCP, UDP, Others;
Default: TCP)
Source/Destination PortSource/destination port number for the specified
protocol type. (Range: 0-65535)
Source/Destination Port Bitmask – Decimal number representing the port bits to
match. (Range: 0-65535)
Control Code – Decimal number (representing a bit string) that specifies flag bits
in byte 14 of the TCP header. (Range: 0-63)
Control Code Bit Mask – Decimal number representing the code bits to match.
The control bitmask is a decimal number (for an equivalent binary bit mask) that is
applied to the control code. Enter a decimal number, where the equivalent binary bit
“1” means to match a bit and “0” means to ignore a bit. The following bits may be
specified:
- 1 (fin) – Finish
- 2 (syn) – Synchronize
- 4 (rst) – Reset
- 8 (psh) – Push
- 16 (ack) – Acknowledgement
- 32 (urg) – Urgent pointer
For example, use the code value and mask below to catch packets with the following
flags set:
- SYN flag valid, use control-code 2, control bitmask 2
- Both SYN and ACK valid, use control-code 18, control bitmask 18
- SYN valid and ACK invalid, use control-code 2, control bitmask 18
Web – Specify the action (i.e., Permit or Deny). Specify the source and/or
destination addresses. Select the address type (Any, Host, or IP). If you select
“Host,” enter a specific address. If you select “IP,” enter a subnet address and the
mask for an address range. Set any other required criteria, such as service type,
protocol type, or TCP control code. Then click Add.

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SMC Networks SMC8126L2 Specifications

General IconGeneral
BrandSMC Networks
ModelSMC8126L2
CategorySwitch
LanguageEnglish

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