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Switch> Statistics
The Statistics Table shows the statistics types for one port over time.
o
ID:
The port number on the switch
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Tx:
Transmitted packet/s.
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Rx:
Received packet/s.
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Tx Error:
Transmitted packet/s with an error.
o
Rx Error:
Received packet/s with an error.
Packets are counted as TX Error if they:
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Had a late collision detected during the transmission (512 bit-times into the transmission).
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Experienced 16 failed transmission attempts due to collision.
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Were dropped due to lack of resources.
Packets are counted as RX Error if they:
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Were less than 64 bytes or greater than 1522 bytes.
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Had a bad FCS.
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Were dropped due to lack of resources.
Switch> Statistics> Refresh
Click Refresh to obtain current statistics data.
Switch> Statistics> Clear Counter
Click Clear Counter to start new statistics over time.
Figure 5-15. Switch> Statistics
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Switch> VLAN
A Virtual Local Area Network (VLAN) is a means to electronically separate ports on the same switch from a single broadcast domain into separate
broadcast domains.
By using VLAN, users can group by logical function instead of physical location.
The VLAN Table shows two types of VLAN and other information:
o
IEEE 802.1Q VLAN (Tagged VLAN)
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Port-based VLAN
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ID:
The port number on the switch
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Description:
User-definable
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Member:
Indicates which port/s belong to a VLAN group
Switch> VLAN> Port-based VLAN
There are up to 26 port-based VLAN groups supported on this switch.
A port can participate in more than one VLAN group.
For port-based VLANs, the default VLAN group is VLAN 01.
Figure 5-16. Switch> VLAN
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Change members
o
Click a VLAN ID as shown in Figure 5-16
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Click to select port/s for VLAN members
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Click Apply to activate the new setting
Add Group
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Click Add Group as shown in Figure 5-16
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Enter a description for this VLAN group
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Click to select port/s for VLAN members
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Click Set all to select all ports
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Click Clear all to unselect all ports
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Click Apply to activate the new setting
Figure 5-17. Switch> VLAN Setting> Port-based VLAN: Add Group
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Delete Group
o
Click Delete Group as shown in Figure 5-16
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Click to select a VLAN ID as shown in Figure 5-18
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Click Apply to confirm delete this VLAN
Figure 5-18. Switch> VLAN Setting> Port-based VLAN: Delete Group
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Switch> VLAN> IEEE802.1Q Tag VLAN
There are up to 64 static Tag VLAN groups supported on this switch. The VLAN tagging option is a standard set by the IEEE to facilitate the
spanning of VLANs across multiple switches (Reference: Appendix B and IEEE Std 802.1Q-1998 Virtual Bridged Local Area Networks).
Click to select IEEE802.1Q VLAN as shown in Figure 2-16. The following screen pops up to confirm this change.
Figure 5-19. Switch> VLAN Setting> Tag VLAN
All ports are set belonging to VLAN 1 by default, all untagged, as shown in Figure 2-20.
Figure 5-20. Switch> VLAN Setting> Tag VLAN: default
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