Cisco 521SG Administration Guide - Page 147

Final Network Policy Resolution and QoS For the Phone, Default QoS for SPCP Mode

Page 147 highlights

Configuring Security, Quality, and Network Features Configuring VLAN Settings 5 LLDP-MED Inventory Management TLV This TLV is optional for Device Class III. For the outgoing LLDPDU, we support only Firmware Revision TLV. The value for the firmware revision is the firmware version. For the incoming LLDPDU, the TLVs are all ignored and not validated. Only one Firmware Revision TLV is allowed for the outgoing and incoming LLDPDUs. Final Network Policy Resolution and QoS For the Phone The following sections describe network policy and QoS for the IP phones. Special VLANs VLAN=0, VLAN=1 and VLAN=4095 are treated the same way as an untagged VLAN. As the VLAN is untagged, CoS is not applicable. Default QoS for SIP Mode If there is no network policy from CDP or LLDP-MED, the default network policy is used. CoS is based on configuration for the specific extension. It is applicable only if the manual VLAN is enabled and manual VLAN ID is not equal to 0, 1, or 4095. ToS is based on configuration for the specific extension. Default QoS for SPCP Mode If there is no network policy from CDP or LLDP-MED, the default network policy is used. CoS is based on a pre-defined value of 5. It is applicable only if the manual VLAN is enabled and manual VLAN ID is not equal to 0, 1, or 4095. ToS is based on precedence value from the StartMediaTransmission Message from the Unified Communications 500 Series for the Cisco SPA525G/525G2. However, ToS is based on the value specified for the specific extension in the web administration interface for the Cisco SPA50X IP phone. QoS Resolution for CDP If there is a valid network policy from CDP: • If the VLAN=0, 1 or 4095, the VLAN will not be set, or the VLAN is untagged. CoS is not applicable, but DSCP is applicable. ToS is based on the default as previously described. • If the VLAN > 1 and VLAN< 4095, the VLAN is set accordingly. CoS and ToS are based on the default as previously described. DSCP is applicable. • For the Cisco SPA525G/525G2, when the VLAN is changed, the user sees the voice component refreshed when the IP address is changed. For the Cisco SPA50X, the phone reboots and restarts the fast start sequence. Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 146

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Configuring Security, Quality, and Network Features
Configuring VLAN Settings
Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide
146
5
LLDP-MED Inventory Management TLV
This TLV is optional for Device Class III. For the outgoing LLDPDU, we support only
Firmware Revision TLV. The value for the firmware revision is the firmware version.
For the incoming LLDPDU, the TLVs are all ignored and not validated. Only one
Firmware Revision TLV is allowed for the outgoing and incoming LLDPDUs.
Final Network Policy Resolution and QoS For the Phone
The following sections describe network policy and QoS for the IP phones.
Special VLANs
VLAN=0, VLAN=1 and VLAN=4095 are treated the same way as an untagged
VLAN. As the VLAN is untagged, CoS is not applicable.
Default QoS for SIP Mode
If there is no network policy from CDP or LLDP-MED, the default network policy is
used. CoS is based on configuration for the specific extension. It is applicable only
if the manual VLAN is enabled and manual VLAN ID is not equal to 0, 1, or 4095. ToS
is based on configuration for the specific extension.
Default QoS for SPCP Mode
If there is no network policy from CDP or LLDP-MED, the default network policy is
used. CoS is based on a pre-defined value of 5. It is applicable only if the manual
VLAN is enabled and manual VLAN ID is not equal to 0, 1, or 4095. ToS is based on
precedence value from the StartMediaTransmission Message from the Unified
Communications 500 Series for the Cisco SPA525G/525G2. However, ToS is
based on the value specified for the specific extension in the web administration
interface for the Cisco SPA50X IP phone.
QoS Resolution for CDP
If there is a valid network policy from CDP:
If the VLAN=0, 1 or 4095, the VLAN will not be set, or the VLAN is untagged.
CoS is not applicable, but DSCP is applicable. ToS is based on the default
as previously described.
If the VLAN > 1 and VLAN< 4095, the VLAN is set accordingly. CoS and ToS
are based on the default as previously described. DSCP is applicable.
For the Cisco SPA525G/525G2, when the VLAN is changed, the user sees
the voice component refreshed when the IP address is changed. For the
Cisco SPA50X, the phone reboots and restarts the fast start sequence.