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3300 ICP Technician’s Handbook
CXi, CXi II, MXe and AX-Specific Guidelines
This section describes VLAN behavior, and the different types of network
configurations: voice-only, voice and data, and the programming and
configuration requirements for CXi, CXi II, MXe and AX.
The CXi, CXi II, MXe and AX controllers each include an internal L2 switch
that is VLAN-capable. These controllers need to be treated as an integral
part of the L2 networking infrastructure.
CXi, CXi II, MXe and AX VLAN Behavior
Default VLAN 1
When the CXi/CXi II/MXe/AX is on the default VLAN, it accepts untagged
frames and tagged VLAN 1 frames. Any non-VLAN 1 tagged frames are
dropped. The CXi/CXi II/MXe/AX treats untagged frames as VLAN 1
frames. The CXi/CXi II/MXe/AX prioritizes traffic based on the priority tag.
The CXi/CXi II/MXe have two priority queues, low (0-3) and high (4-7). The
AX has four priority queues. By default untagged frames are placed in the
low priority queue. Tagged frames are prioritized according to their priority
tagging. On egress, all traffic on all ports is untagged with the exception of
port 17 on the CXi/CXi II and the two LAN ports on the MXe, MXe Server
and the AX, where the user has the option to tag VLAN1 traffic via the "Tag
VLAN 1 on Trunk Port" parameter.
Voice VLAN
When the CXi/CXi II/MXe/AX is programmed with a Voice VLAN, the
switch will allow untagged frames and tagged VLAN 1 frames as well as
Voice VLAN frames. All other VLAN tagged frames will be dropped. The
priority of tagged frames are preserved and queued accordingly. On
egress, Voice VLAN traffic is either tagged on all ports (prior to Release
9.0) or configured as tagged or untagged on a port-by-port basis (Release
9.0 and later). Untagged frames are treated as VLAN 1 and forwarded to
an external layer 2 switch.
CXi/CXi II: When the phones are on the Layer 2 switch of the CXi/CXi II,
the phones and the CXi/CXi II switch must be on the same the Voice VLAN
for the phones to communicate with the Call Control.
Note:
For quick installation, the CXi, CXi II, MXe and AX can be installed
using only the default VLAN (VLAN 1). VLAN1 carries both voice and data.
If desired, the Administrator can program additional VLANs at a later date.
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Страница 247: ...Appendix A Hardware Reference ...
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Страница 251: ...241 Hardware Reference Figure 90 AX Controller Card View Figure 91 AX Controller Rear Panel ...
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Страница 255: ...245 Hardware Reference Figure 99 CXi Controller Front Panel Figure 100 CX and CXi Controller Back Panel ...
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Страница 339: ...Appendix D Status LEDs ...
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Страница 379: ...Appendix E FRU Part Numbers ...
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Страница 403: ...Appendix G Older Hardware and Software ...
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