Zyxel IES-1000 EE [68/368] Table 13 switch setup
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Zyxel IES-1000 EE [68/368] Table 13 switch setup

Zyxel IES-1000 EE [68/368] Table 13 switch setup
Chapter 9 Switch Setup
VOP1224-61 User’s Guide
68
The following table describes the labels in this screen.
Table 13 Switch Setup
LABEL DESCRIPTION
MAC Address
Learning
Aging Time
Enter a time (1, 18, 75 or 300 seconds). This is how long all
dynamically learned MAC addresses remain in the MAC address table
before they age out (and must be relearned). Enter 0 to disable the
aging out of MAC addresses.
Priority Queue
Assignment
IEEE 802.1p defines up to 8 separate traffic types by inserting a tag
into a MAC-layer frame that contains bits to define class of service.
Frames without an explicit priority tag are given the default priority of
the ingress port. Use the next two fields to configure the priority
level-to-physical queue mapping.
The device has 4 physical queues that you can map to the 8 priority
levels for outgoing Ethernet traffic. The device has 8 physical queues
that you can map to the 8 priority levels for outgoing traffic. Traffic
assigned to higher index queues gets through the device faster while
traffic in lower index queues is dropped if the network is congested.
Priority Level The following descriptions are based on the traffic types defined in the
IEEE 802.1d standard (which incorporates IEEE 802.1p).
Priority 7 Typically used for network control traffic such as router configuration
messages.
Priority 6 Typically used for voice traffic that is especially sensitive to jitter
(jitter is the variations in delay).
Priority 5 Typically used for video that consumes high bandwidth and is
sensitive to jitter.
Priority 4 Typically used for controlled load, latency-sensitive traffic such as
SNA (Systems Network Architecture) transactions.
Priority 3 Typically used for “excellent effort” or better than best effort and
would include important business traffic that can tolerate some delay.
Priority 2 This is for “spare bandwidth”.
Priority 1 This is typically used for non-critical “background” traffic such as bulk
transfers that are allowed but that should not affect other applications
and users.
Priority 0 Typically used for best-effort traffic.
Apply Click Apply to save your changes to the VOP’s volatile memory. The
VOP loses these changes if it is turned off or loses power, so use the
Config Save link on the navigation panel to save your changes to the
non-volatile memory when you are done configuring.
Cancel Click Cancel to begin configuring this screen afresh.

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