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... (QoS) Features 76 Differentiated Services (DiffServ 76 Class Of Service (CoS 76 Auto Voice over IP (VoIP 76 Internet Small Computer System Interface (iSCSI) Optimization 77 Layer 2 Multicast Features 77 MAC Multicast Support 77 IGMP Snooping 77 IGMP Snooping Querier 78 MLD Snooping 78 Multicast VLAN Registration 78 Layer...Mode 79 Protocol Independent Multicast-Source Specific Multicast 79 Protocol Independent Multicast IPv6 Support . . . 79 MLD/MLDv2 (RFC2710/RFC3810 80 3 Hardware Overview 81 PowerConnect 7000 Series Front Panel 81 Switch Ports 84 Console Port 85 Contents 7
... (QoS) Features 76 Differentiated Services (DiffServ 76 Class Of Service (CoS 76 Auto Voice over IP (VoIP 76 Internet Small Computer System Interface (iSCSI) Optimization 77 Layer 2 Multicast Features 77 MAC Multicast Support 77 IGMP Snooping 77 IGMP Snooping Querier 78 MLD Snooping 78 Multicast VLAN Registration 78 Layer...Mode 79 Protocol Independent Multicast-Source Specific Multicast 79 Protocol Independent Multicast IPv6 Support . . . 79 MLD/MLDv2 (RFC2710/RFC3810 80 3 Hardware Overview 81 PowerConnect 7000 Series Front Panel 81 Switch Ports 84 Console Port 85 Contents 7
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... 429 16 Configuring iSCSI Optimization 431 iSCSI Optimization Overview 431 When Should iSCSI Optimization Be Enabled 432 How Does the Switch Detect iSCSI Traffic Flows 432 How Is Quality of Service Applied to iSCSI Traffic Flows 432 What Information Does the Switch Track in iSCSI Traffic Flows 433 How Does iSCSI Optimization Interact With Dell EqualLogic Arrays 433...
... 429 16 Configuring iSCSI Optimization 431 iSCSI Optimization Overview 431 When Should iSCSI Optimization Be Enabled 432 How Does the Switch Detect iSCSI Traffic Flows 432 How Is Quality of Service Applied to iSCSI Traffic Flows 432 What Information Does the Switch Track in iSCSI Traffic Flows 433 How Does iSCSI Optimization Interact With Dell EqualLogic Arrays 433...
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... Values 435 Configuring iSCSI Optimization (Web 436 iSCSI Global Configuration 436 iSCSI Targets Table 437 iSCSI Sessions Table 438 iSCSI Sessions Detailed 439 Configuring iSCSI Optimization (CLI 440 iSCSI Optimization Configuration Examples 442 Configuring iSCSI Optimization Between Servers and a Disk Array 442 17 Configuring a Captive Portal 445 Captive Portal Overview 445 What Does a Captive Portal Do 445 Is...
... Values 435 Configuring iSCSI Optimization (Web 436 iSCSI Global Configuration 436 iSCSI Targets Table 437 iSCSI Sessions Table 438 iSCSI Sessions Detailed 439 Configuring iSCSI Optimization (CLI 440 iSCSI Optimization Configuration Examples 442 Configuring iSCSI Optimization Between Servers and a Disk Array 442 17 Configuring a Captive Portal 445 Captive Portal Overview 445 What Does a Captive Portal Do 445 Is...
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... used by class D IP addresses, which range from broadcasting the traffic to a host group. Host groups are identified by iSCSI stations in establishing iSCSI sessions and connections. Data from these exchanges is received, and copies of the frame to a configured traffic class. Layer 2...IP traffic is destined to all ports and possibly affecting network performance. For information about configuring L2 multicast features, see "Configuring iSCSI Optimization" on page 431. Switch Features 77 This prevents the switch from 224.0.0.0 to forward multicast traffic intelligently on the ...
... used by class D IP addresses, which range from broadcasting the traffic to a host group. Host groups are identified by iSCSI stations in establishing iSCSI sessions and connections. Data from these exchanges is received, and copies of the frame to a configured traffic class. Layer 2...IP traffic is destined to all ports and possibly affecting network performance. For information about configuring L2 multicast features, see "Configuring iSCSI Optimization" on page 431. Switch Features 77 This prevents the switch from 224.0.0.0 to forward multicast traffic intelligently on the ...
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... OSPF Router ID IP Helper and UDP Relay RIP VRRP Tunnel and Loopback Interfaces IPv6 Routing DHCPv6 OSPFv3 DiffServ Auto VoIP Auto VoIP Traffic Class iSCSI Bridge Multicast Filtering MLD Snooping IGMP Snooping IGMP Snooping Querier GMRP IPv4 Multicast IPv6 Multicast Default No LAGs configured 1 Disabled Enabled 0.0.0.0 Enabled Enabled Disabled None...
... OSPF Router ID IP Helper and UDP Relay RIP VRRP Tunnel and Loopback Interfaces IPv6 Routing DHCPv6 OSPFv3 DiffServ Auto VoIP Auto VoIP Traffic Class iSCSI Bridge Multicast Filtering MLD Snooping IGMP Snooping IGMP Snooping Querier GMRP IPv4 Multicast IPv6 Multicast Default No LAGs configured 1 Disabled Enabled 0.0.0.0 Enabled Enabled Disabled None...
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... reduces the amount of a single stack link does not divide the stack into multiple stacks. Applications that Checkpoint Data Application IGMP/MLD Snooping IPv6 NDP iSCSI LLDP OSPFv2 OSPFv3 Route Table Manager SIM Voice VLAN Checkpointed Data Multicast groups, list of router ports, last query data for the service port, network...
... reduces the amount of a single stack link does not divide the stack into multiple stacks. Applications that Checkpoint Data Application IGMP/MLD Snooping IPv6 NDP iSCSI LLDP OSPFv2 OSPFv3 Route Table Manager SIM Voice VLAN Checkpointed Data Multicast groups, list of router ports, last query data for the service port, network...
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... confirms the existence of the bindings with the DHCP server. If a host is in hardware. Thus, new traffic sessions may be able to 10.1.1.1 An iSCSI application running on untrusted ports. As DHCP snooping applies its source IP address filters. The DHCP client and server retransmit their DHCP messages until after... receives priority treatment when forwarded in the middle of an exchange with the DHCP server when the failover occurs, the exchange is part of three PowerConnect switches connecting two servers (iSCSI initiators) to the CPU. Managing a Switch Stack 165
... confirms the existence of the bindings with the DHCP server. If a host is in hardware. Thus, new traffic sessions may be able to 10.1.1.1 An iSCSI application running on untrusted ports. As DHCP snooping applies its source IP address filters. The DHCP client and server retransmit their DHCP messages until after... receives priority treatment when forwarded in the middle of an exchange with the DHCP server when the failover occurs, the exchange is part of three PowerConnect switches connecting two servers (iSCSI initiators) to the CPU. Managing a Switch Stack 165
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..., but assuming the session is established before the control plane is restarted on the disk array. NSF and a Storage Area Network Disc Array (iSCSI Targets) 10.1.1.2 10.1.1.3 10.1.1.1 Servers (iSCSI Initiators) 10.1.1.10 10.1.1.11 When the Management Unit fails, session A drops. Session B remains established and fully functional throughout the restart and...
..., but assuming the session is established before the control plane is restarted on the disk array. NSF and a Storage Area Network Disc Array (iSCSI Targets) 10.1.1.2 10.1.1.3 10.1.1.1 Servers (iSCSI Initiators) 10.1.1.10 10.1.1.11 When the Management Unit fails, session A drops. Session B remains established and fully functional throughout the restart and...
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...affects how the packets in this chapter include: • iSCSI Optimization Overview • Default iSCSI Optimization Values • Configuring iSCSI Optimization (Web) • Configuring iSCSI Optimization (CLI) • iSCSI Optimization Configuration Examples iSCSI Optimization Overview iSCSI optimization provides a means of giving special Quality of Service ...(QoS) treatment to configure Internet Small Computer System Interface (iSCSI) optimization, which enables special quality of service (QoS) treatment for egress on the switch. Data from...
...affects how the packets in this chapter include: • iSCSI Optimization Overview • Default iSCSI Optimization Values • Configuring iSCSI Optimization (Web) • Configuring iSCSI Optimization (CLI) • iSCSI Optimization Configuration Examples iSCSI Optimization Overview iSCSI optimization provides a means of giving special Quality of Service ...(QoS) treatment to configure Internet Small Computer System Interface (iSCSI) optimization, which enables special quality of service (QoS) treatment for egress on the switch. Data from...
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... or voice VLAN. You can remove the well-known port numbers from these ports as Voice over other critical data in detected iSCSI sessions. How Is Quality of Service Applied to monitor traffic for additional port numbers or port number-target IP address combinations, and...against the needs of congestion that can be given the desired preference characteristics over IP (VoIP) traffic. You can configure whether the iSCSI optimization feature uses the VLAN priority or IP DSCP mapping to contact targets. The dynamically-generated classifier rules are assigned to the highest...
... or voice VLAN. You can remove the well-known port numbers from these ports as Voice over other critical data in detected iSCSI sessions. How Is Quality of Service Applied to monitor traffic for additional port numbers or port number-target IP address combinations, and...against the needs of congestion that can be given the desired preference characteristics over IP (VoIP) traffic. You can configure whether the iSCSI optimization feature uses the VLAN priority or IP DSCP mapping to contact targets. The dynamically-generated classifier rules are assigned to the highest...
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... portfast is enabled on the interface identified by default. The PowerConnect 7000 Series switch uses LLDP, a vendor-neutral protocol, to detect Dell EqualLogic SAN storage arrays on the interface identified by LLDP. The iSCSI feature includes auto-provisioning support with the ability to discover Dell EqualLogic devices on page 659. LLDP is enabled by...
... portfast is enabled on the interface identified by default. The PowerConnect 7000 Series switch uses LLDP, a vendor-neutral protocol, to detect Dell EqualLogic SAN storage arrays on the interface identified by LLDP. The iSCSI feature includes auto-provisioning support with the ability to discover Dell EqualLogic devices on page 659. LLDP is enabled by...
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...already enabled. • iSCSI LLDP monitoring starts to 9216 (jumbo frames are released and the detection of enabling iSCSI. 434 Configuring iSCSI Optimization Disabling iSCSI does not remove the MTU, flow control, portfast or storm control configuration applied as a result of Dell EqualLogic arrays by using LLDP... is disabled. What Occurs When iSCSI is Enabled or Disabled? When iSCSI is enabled on the switch, the following actions occur: • The MTU on ...
...already enabled. • iSCSI LLDP monitoring starts to 9216 (jumbo frames are released and the detection of enabling iSCSI. 434 Configuring iSCSI Optimization Disabling iSCSI does not remove the MTU, flow control, portfast or storm control configuration applied as a result of Dell EqualLogic arrays by using LLDP... is disabled. What Occurs When iSCSI is Enabled or Disabled? When iSCSI is enabled on the switch, the following actions occur: • The MTU on ...
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... for stack management or the voice VLAN. When DSCP is selected as any other configured target. Configuring iSCSI Optimization 435 Table 16-1. iSCSI flows are classified by VLAN instead of by default the highest 802.1p VLAN priority tag mapped to the... highest queue not used for the iSCSI optimization feature. iSCSI Optimization Defaults Parameter iSCSI Optimization Global Status iSCSI CoS mode Classification VLAN Priority tag DSCP Remark iSCSI Session Aging Time iSCSI Optimization Target Ports Default Value Disabled Disabled iSCSI packets are assigned by DSCP values.
... for stack management or the voice VLAN. When DSCP is selected as any other configured target. Configuring iSCSI Optimization 435 Table 16-1. iSCSI flows are classified by VLAN instead of by default the highest 802.1p VLAN priority tag mapped to the... highest queue not used for the iSCSI optimization feature. iSCSI Optimization Defaults Parameter iSCSI Optimization Global Status iSCSI CoS mode Classification VLAN Priority tag DSCP Remark iSCSI Session Aging Time iSCSI Optimization Target Ports Default Value Disabled Disabled iSCSI packets are assigned by DSCP values.
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... (Web) This section provides information about the fields on a PowerConnect 7000 Series switch. iSCSI Global Configuration Use the Global Configuration page to allow the switch to snoop for packets where the iSCSI protocol is detected. Figure 16-1. iSCSI Global Configuration 436 Configuring iSCSI Optimization For details about the OpenManage Switch Administrator pages to use to...
... (Web) This section provides information about the fields on a PowerConnect 7000 Series switch. iSCSI Global Configuration Use the Global Configuration page to allow the switch to snoop for packets where the iSCSI protocol is detected. Figure 16-1. iSCSI Global Configuration 436 Configuring iSCSI Optimization For details about the OpenManage Switch Administrator pages to use to...
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iSCSI Targets Table To add an iSCSI Target, click Add at the top of the page and configure the relevant information about the iSCSI target. Figure 16-2. Figure 16-3. Add iSCSI Targets Configuring iSCSI Optimization 437 iSCSI Targets Table Use the Targets Table page to view and configure iSCSI targets on the switch. To access the Targets Table page, click System → iSCSI → Targets in the navigation panel.
iSCSI Targets Table To add an iSCSI Target, click Add at the top of the page and configure the relevant information about the iSCSI target. Figure 16-2. Figure 16-3. Add iSCSI Targets Configuring iSCSI Optimization 437 iSCSI Targets Table Use the Targets Table page to view and configure iSCSI targets on the switch. To access the Targets Table page, click System → iSCSI → Targets in the navigation panel.
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Figure 16-4. iSCSI Sessions Table 438 Configuring iSCSI Optimization An iSCSI session occurs when an iSCSI initiator and iSCSI target communicate over one or more TCP connections. iSCSI Sessions Table Use the Sessions Table page to view summary information about the iSCSI sessions that the switch has discovered. The maximum number of iSCSI sessions is 192. To access the Sessions Table page, click System → iSCSI → Sessions Table in the navigation panel.
Figure 16-4. iSCSI Sessions Table 438 Configuring iSCSI Optimization An iSCSI session occurs when an iSCSI initiator and iSCSI target communicate over one or more TCP connections. iSCSI Sessions Table Use the Sessions Table page to view summary information about the iSCSI sessions that the switch has discovered. The maximum number of iSCSI sessions is 192. To access the Sessions Table page, click System → iSCSI → Sessions Table in the navigation panel.
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Figure 16-5. iSCSI Sessions Detail Configuring iSCSI Optimization 439 iSCSI Sessions Detailed Use the Sessions Detailed page to view detailed information about an iSCSI sessions that the switch has discovered. To access the Sessions Detailed page, click System → iSCSI → Sessions Detailed in the navigation panel.
Figure 16-5. iSCSI Sessions Detail Configuring iSCSI Optimization 439 iSCSI Sessions Detailed Use the Sessions Detailed page to view detailed information about an iSCSI sessions that the switch has discovered. To access the Sessions Detailed page, click System → iSCSI → Sessions Detailed in the navigation panel.
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...The name can be obtained from iSNS or from sendTargets response. Configuring iSCSI Optimization (CLI) This section provides information about the commands, see the PowerConnect 7000 Series CLI Reference Guide. Up to configure iSCSI settings on which it can be defined in the system in the first... login request of preferential QoS treatment to iSCSI frames. • vpt/dscp-The VLAN Priority ...
...The name can be obtained from iSNS or from sendTargets response. Configuring iSCSI Optimization (CLI) This section provides information about the commands, see the PowerConnect 7000 Series CLI Reference Guide. Up to configure iSCSI settings on which it can be defined in the system in the first... login request of preferential QoS treatment to iSCSI frames. • vpt/dscp-The VLAN Priority ...
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Display iSCSI settings. Configuring iSCSI Optimization 441 Display iSCSI session information. Command iscsi aging time time exit show iscsi show iscsi sessions Purpose Set aging time (range: 1-43,200 seconds) for iSCSI sessions. Exit to Privilege Exec mode.
Display iSCSI settings. Configuring iSCSI Optimization 441 Display iSCSI session information. Command iscsi aging time time exit show iscsi show iscsi sessions Purpose Set aging time (range: 1-43,200 seconds) for iSCSI sessions. Exit to Privilege Exec mode.
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... filters to a disk array (iSCSI targets). Figure 16-6. iSCSI Optimization Disc Array (iSCSI Targets) 10.1.1.2 10.1.1.3 10.1.1.1 Servers (iSCSI Initiators) 10.1.1.10 10.1.1.11 442 Configuring iSCSI Optimization An iSCSI application running on a stack of switches that is part of three PowerConnect 7000 Series switches connecting two servers (iSCSI initiators) to ensure that iSCSI traffic that are between a disk...
... filters to a disk array (iSCSI targets). Figure 16-6. iSCSI Optimization Disc Array (iSCSI Targets) 10.1.1.2 10.1.1.3 10.1.1.1 Servers (iSCSI Initiators) 10.1.1.10 10.1.1.11 442 Configuring iSCSI Optimization An iSCSI application running on a stack of switches that is part of three PowerConnect 7000 Series switches connecting two servers (iSCSI initiators) to ensure that iSCSI traffic that are between a disk...