User Guide
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FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm 22 Quality of Service 640 QoS Features and Components 641 General 643 QoS Basic Mode 659 QoS Advanced Mode 668 QoS Statistics 688 Glossary 695 Index 710 Revision History 727 Contents 11
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\Maintenance Projects\Dell Contax\Dell_ContaxUG_PrintTOC.fm 22 Quality of Service 640 QoS Features and Components 641 General 643 QoS Basic Mode 659 QoS Advanced Mode 668 QoS Statistics 688 Glossary 695 Index 710 Revision History 727 Contents 11
User Guide
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... VLAN The Multicast TV VLAN feature provides the ability to supply multicast transmissions to automatically prevent and resolve Layer 2 forwarding loops. Dell PowerConnect 55xx Systems User Guide 21 Voice VLAN also provides QoS to VoIP, ensuring that the quality of the multicast transmissions. Private VLAN The Private VLAN feature provides Layer 2 isolation between...
... VLAN The Multicast TV VLAN feature provides the ability to supply multicast transmissions to automatically prevent and resolve Layer 2 forwarding loops. Dell PowerConnect 55xx Systems User Guide 21 Voice VLAN also provides QoS to VoIP, ensuring that the quality of the multicast transmissions. Private VLAN The Private VLAN feature provides Layer 2 isolation between...
User Guide
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... the name of the ACL that breaks up or prevents TCP global synchronization on page 656. For more information about Advanced QoS, see "QoS Advanced Mode" on page 307. 24 Dell PowerConnect 55xx Systems User Guide Device Management Features SNMP Alarms and Trap Logs The system logs events with the same byte count. For...
... the name of the ACL that breaks up or prevents TCP global synchronization on page 656. For more information about Advanced QoS, see "QoS Advanced Mode" on page 307. 24 Dell PowerConnect 55xx Systems User Guide Device Management Features SNMP Alarms and Trap Logs The system logs events with the same byte count. For...
User Guide
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Proprietary Protocol Filtering: Summary A list of the ports and their filtered protocols is enabled on a port, you cannot enable a QoS ACL on this port. Proprietary Protocol Filtering Protocol filters are used to modify the filtered protocols for specific ports. To configure Proprietary Protocol Filtering: 1 Click ... Edit to disallow receiving specific proprietary protocol packets through an interface. Figure 8-9. These can be enabled for a specific port. 3 Select a unit and an interface. 120 Dell PowerConnect 55xx Systems User Guide
Proprietary Protocol Filtering: Summary A list of the ports and their filtered protocols is enabled on a port, you cannot enable a QoS ACL on this port. Proprietary Protocol Filtering Protocol filters are used to modify the filtered protocols for specific ports. To configure Proprietary Protocol Filtering: 1 Click ... Edit to disallow receiving specific proprietary protocol packets through an interface. Figure 8-9. These can be enabled for a specific port. 3 Select a unit and an interface. 120 Dell PowerConnect 55xx Systems User Guide
User Guide
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...specifications are interpreted as local time (Daylight Savings Time does not affect this feature is to limit access of the network is blocked. 122 Dell PowerConnect 55xx Systems User Guide It is created in the Time Range Recurrence pages. For more information on setting the system time, see "Time Synchronization... on a specific date or immediately and ends on a specific date or extends infinitely. A recurring element can be defined and associated with an QoS ACL, so that the time range entries take effect at the desired times, the system time must be added to it is applied only during...
...specifications are interpreted as local time (Daylight Savings Time does not affect this feature is to limit access of the network is blocked. 122 Dell PowerConnect 55xx Systems User Guide It is created in the Time Range Recurrence pages. For more information on setting the system time, see "Time Synchronization... on a specific date or immediately and ends on a specific date or extends infinitely. A recurring element can be defined and associated with an QoS ACL, so that the time range entries take effect at the desired times, the system time must be added to it is applied only during...
User Guide
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...ACL-DEL ACL was deleted by a user. ACL-NOTEXST ACL sent by RADIUS server cannot be applied because it is the Guest VLAN. 142 Dell PowerConnect 55xx Systems User Guide AUTH-ERR Rejected by a RADIUS server cannot be applied because it is not supported in the RADIUS server. RAD-NORESP... RADIUS server is deny. VLAN-DFLT VLAN sent by RADIUS due to wrong user name or password in the QoS basic mode. FRS-MTH-DENY First method is not responding. IPv6WithMAC RADIUS accept message contains filter with IPv6 DIP and MAC addresses. POL-...
...ACL-DEL ACL was deleted by a user. ACL-NOTEXST ACL sent by RADIUS server cannot be applied because it is the Guest VLAN. 142 Dell PowerConnect 55xx Systems User Guide AUTH-ERR Rejected by a RADIUS server cannot be applied because it is not supported in the RADIUS server. RAD-NORESP... RADIUS server is deny. VLAN-DFLT VLAN sent by RADIUS due to wrong user name or password in the QoS basic mode. FRS-MTH-DENY First method is not responding. IPv6WithMAC RADIUS accept message contains filter with IPv6 DIP and MAC addresses. POL-...
User Guide
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... and defines certain standard ACLs. Wireless Configuration Before a built-in macros: - The global profile enables QoS Advanced mode, sets Advanced mode parameters, CoS to queue mapping, and DSCP to one or more interfaces at a time. Dell PowerConnect 55xx Systems User Guide 391 These can be applied to the Running Configuration file. Global - Router...
... and defines certain standard ACLs. Wireless Configuration Before a built-in macros: - The global profile enables QoS Advanced mode, sets Advanced mode parameters, CoS to queue mapping, and DSCP to one or more interfaces at a time. Dell PowerConnect 55xx Systems User Guide 391 These can be applied to the Running Configuration file. Global - Router...
User Guide
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... session. • Ingress mirrored packets may arrive at the ingress port either with an 802.1q tag or without. • All QoS/CoS rules that port are suspended. 412 Dell PowerConnect 55xx Systems User Guide All currently active protocols and services on that apply to a port analyzer, they should be transmitted as they...
... session. • Ingress mirrored packets may arrive at the ingress port either with an 802.1q tag or without. • All QoS/CoS rules that port are suspended. 412 Dell PowerConnect 55xx Systems User Guide All currently active protocols and services on that apply to a port analyzer, they should be transmitted as they...
User Guide
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...and starts sending tagged VoIP packets. The device supports a single voice VLAN. Equipment, such as VOIP phones, transmits IP traffic with a QoS profile that usually carries only voice traffic), and to assign traffic from this port to the Voice VLAN (a VLAN that ensures high voice quality... Unique Identifier (OUI) prefix in Auto Voice VLAN secured mode. Non-VoIP traffic is dropped from IP phones on a specific VLAN. Dell PowerConnect 55xx Systems User Guide 491 IP phones use one of voice does not deteriorate if the IP traffic is received unevenly. Voice VLAN The...
...and starts sending tagged VoIP packets. The device supports a single voice VLAN. Equipment, such as VOIP phones, transmits IP traffic with a QoS profile that usually carries only voice traffic), and to assign traffic from this port to the Voice VLAN (a VLAN that ensures high voice quality... Unique Identifier (OUI) prefix in Auto Voice VLAN secured mode. Non-VoIP traffic is dropped from IP phones on a specific VLAN. Dell PowerConnect 55xx Systems User Guide 491 IP phones use one of voice does not deteriorate if the IP traffic is received unevenly. Voice VLAN The...
User Guide
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... port, which software is running on which switch, and which port is connected to troubleshoot and enhance network management by standardizing methods for : - QoS Policies - QoS policy misconfigurations 532 Dell PowerConnect 55xx Systems User Guide LLDP devices must support chassis and port ID advertisements, as well as system name, system ID, system description, and...
... port, which software is running on which switch, and which port is connected to troubleshoot and enhance network management by standardizing methods for : - QoS Policies - QoS policy misconfigurations 532 Dell PowerConnect 55xx Systems User Guide LLDP devices must support chassis and port ID advertisements, as well as system name, system ID, system description, and...
User Guide
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... transfers over intranets, and to SCSI storage devices (targets) on remote servers. Optimizing iSCSI iSCSI optimization provides the following features: • Ability to assign a specific QoS profile to support fast network convergence. Unlike traditional Fiber channels, which the EqualLogic equipment is connected to, and configures the STP Mode to RSTP to...-based storage networking standard for incoming connections. The group of iSCSI TCP connections that link an initiator with the illusion of non-active iSCSI sessions Dell PowerConnect 55xx Systems User Guide 585
... transfers over intranets, and to SCSI storage devices (targets) on remote servers. Optimizing iSCSI iSCSI optimization provides the following features: • Ability to assign a specific QoS profile to support fast network convergence. Unlike traditional Fiber channels, which the EqualLogic equipment is connected to, and configures the STP Mode to RSTP to...-based storage networking standard for incoming connections. The group of iSCSI TCP connections that link an initiator with the illusion of non-active iSCSI sessions Dell PowerConnect 55xx Systems User Guide 585
User Guide
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... work with IP fragmented frames. 586 Dell PowerConnect 55xx Systems User Guide Sessions, whose associated TCP connections are monitored for each connection. These cannot be configured as a result, the initiator opens a connection to a different target, the new target must not be applied on iSCSI traffic, otherwise a QoS profile will still be assigned to...
... work with IP fragmented frames. 586 Dell PowerConnect 55xx Systems User Guide Sessions, whose associated TCP connections are monitored for each connection. These cannot be configured as a result, the initiator opens a connection to a different target, the new target must not be applied on iSCSI traffic, otherwise a QoS profile will still be assigned to...
User Guide
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...the desired value. - Enable/disable whether iSCSI frames will be remarked with the CoS or DSCP value. 588 Dell PowerConnect 55xx Systems User Guide To enable iSCSI and set its QoS parameters: 1 Click System > iSCSI Optimization > Global Parameters in the packet. Enable/disable iSCSI optimization. -...the Global Parameters page. Select whether the priority of Service profile to apply to iSCSI flows. - Remark - In the QoS Properties pages, you can then set iSCSI QoS frame priority. iSCSI Status - iSCSI COS Status - Figure 20-1. Global Parameters 2 Enter the fields: - Classification -...
...the desired value. - Enable/disable whether iSCSI frames will be remarked with the CoS or DSCP value. 588 Dell PowerConnect 55xx Systems User Guide To enable iSCSI and set its QoS parameters: 1 Click System > iSCSI Optimization > Global Parameters in the packet. Enable/disable iSCSI optimization. -...the Global Parameters page. Select whether the priority of Service profile to apply to iSCSI flows. - Remark - In the QoS Properties pages, you can then set iSCSI QoS frame priority. iSCSI Status - iSCSI COS Status - Figure 20-1. Global Parameters 2 Enter the fields: - Classification -...
User Guide
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It contains the following topics: • Table Views • RMON Components • Charts Dell PowerConnect 55xx Systems User Guide 596 The only exception is the QoS statistics described in "Quality of the statistics available on page 640. 21 Statistics/RMON This section describes many of Service" on the device.
It contains the following topics: • Table Views • RMON Components • Charts Dell PowerConnect 55xx Systems User Guide 596 The only exception is the QoS statistics described in "Quality of the statistics available on page 640. 21 Statistics/RMON This section describes many of Service" on the device.
User Guide
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22 Quality of Service This section provides information for configuring Quality of Service (QoS). It contains the following topics: • QoS Features and Components • General • QoS Basic Mode • QoS Advanced Mode • QoS Statistics Dell PowerConnect 55xx Systems User Guide 640
22 Quality of Service This section provides information for configuring Quality of Service (QoS). It contains the following topics: • QoS Features and Components • General • QoS Basic Mode • QoS Advanced Mode • QoS Statistics Dell PowerConnect 55xx Systems User Guide 640
User Guide
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... incoming frame is subject to classification. • Assignment to optimize network performance. The QoS value in the incoming frame. Differentiated Service Code Point (DSCP) value • Layer 3 IPv6 Frames -Traffic Class (TC) value When operating in the system. Dell PowerConnect 55xx Systems User Guide 641 Device configuration - The classification is done by an...
... incoming frame is subject to classification. • Assignment to optimize network performance. The QoS value in the incoming frame. Differentiated Service Code Point (DSCP) value • Layer 3 IPv6 Frames -Traffic Class (TC) value When operating in the system. Dell PowerConnect 55xx Systems User Guide 641 Device configuration - The classification is done by an...
User Guide
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... mode configuration in Basic mode is configured to default values. A policer applies the configured QoS to any other user configurations remain intact. 642 Dell PowerConnect 55xx Systems User Guide When the QoS mode is the default QoS mode. • Advanced Mode - Per-flow Quality of traffic in a flow, and contains one or more ACLs. In...
... mode configuration in Basic mode is configured to default values. A policer applies the configured QoS to any other user configurations remain intact. 642 Dell PowerConnect 55xx Systems User Guide When the QoS mode is the default QoS mode. • Advanced Mode - Per-flow Quality of traffic in a flow, and contains one or more ACLs. In...
User Guide
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Basic - The possible options are: - QoS is enabled in the tree view to display the QoS Mode page. QoS Mode 2 Select the QoS Mode. General This section contains the following topics: • QoS Mode • QoS Properties • Queue • Mapping to Queue • Bandwidth • TCP Congestion Avoidance QoS Mode To enable/disable the QoS mode: 1 Click Quality of Service > General >QoS Mode in Basic mode on the switch Dell PowerConnect 55xx Systems User Guide 643 Figure 22-1.
Basic - The possible options are: - QoS is enabled in the tree view to display the QoS Mode page. QoS Mode 2 Select the QoS Mode. General This section contains the following topics: • QoS Mode • QoS Properties • Queue • Mapping to Queue • Bandwidth • TCP Congestion Avoidance QoS Mode To enable/disable the QoS mode: 1 Click Quality of Service > General >QoS Mode in Basic mode on the switch Dell PowerConnect 55xx Systems User Guide 643 Figure 22-1.
User Guide
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Setting QoS Mode Using CLI Commands The following is an example of this command to disable QoS on the device. The following table summarizes the CLI commands for setting the QoS mode. Disable - Use the no qos show qos Enables QoS on the device Displays the QoS mode. QoS is enabled in Advanced mode on the switch. Advanced - QoS Mode CLI Commands CLI Command Description qos [basic|advanced] no form of the CLI commands: console(config)# qos basic 644 Dell PowerConnect 55xx Systems User Guide QoS is not enabled on the switch. - Table 22-1. -
Setting QoS Mode Using CLI Commands The following is an example of this command to disable QoS on the device. The following table summarizes the CLI commands for setting the QoS mode. Disable - Use the no qos show qos Enables QoS on the device Displays the QoS mode. QoS is enabled in Advanced mode on the switch. Advanced - QoS Mode CLI Commands CLI Command Description qos [basic|advanced] no form of the CLI commands: console(config)# qos basic 644 Dell PowerConnect 55xx Systems User Guide QoS is not enabled on the switch. - Table 22-1. -
User Guide
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QoS Properties: Summary The default CoS values for all interfaces on incoming, untagged packets: 1 Click Quality of Service > General > QoS Properties in the tree view to display the QoS Properties: Summary page. Select a port or LAG if required. - Dell PowerConnect 55xx Systems User Guide 645 Set Default CoS - Enter the default CoS tag value for untagged packets. Interface - QoS Properties To set the default CoS value on the selected unit are displayed. 2 To modify the CoS value for an interface, click Edit, and enter the fields: - Figure 22-2.
QoS Properties: Summary The default CoS values for all interfaces on incoming, untagged packets: 1 Click Quality of Service > General > QoS Properties in the tree view to display the QoS Properties: Summary page. Select a port or LAG if required. - Dell PowerConnect 55xx Systems User Guide 645 Set Default CoS - Enter the default CoS tag value for untagged packets. Interface - QoS Properties To set the default CoS value on the selected unit are displayed. 2 To modify the CoS value for an interface, click Edit, and enter the fields: - Figure 22-2.