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НАЙ-ТЪРСЕНИ ПРОДУКТИ
2

№ DNS4128
Комутатор
Dell EMC Switch S4128F-ON, 1U, PHY-less, 28 x 10GbE SFP+, 2 x QSFP28, IO to PSU, 2 PSU, OS10, 1Yr PS NBD, 210-ALSY
Суич, типFixed Port
Общ брой портове30
Основни портове, тип28x10GE SFP
Power Over Ethernet (PoE)No
Uplink портове2x100GE SFP
Свободни (10GB) слотовеNo
УправлениеSNMPv1/2; SSHv2; FTP, TFTP, SCP; Syslog; Port Mirroring; RADIUS; 802.1X; Support Assist (Phone Home); Netconf APIs; XML Schema; CLI Commit (Scratchpad); sFlow
StackableNo
Fans4x Fan module
ЗахранванеRedundant, hot-swappable power supplies
RoutingLayer 3 Advanced
Памет (Flash, RAM)RAM: 4 GB
Капацитет за маршрутизиране/превключване, Gbps960 Gbps
Пропускателна способност, Mpps720 Mpps
MAC адреси272000 MAC address table size
VLAN (брой, стандарти)802.1Q VLAN Tagging, GVRP; 4K Layer 2 VLANs; 500 Layer3 VLANs
QoSAccess Control Lists, Prefix List, Route-Map, Rate Shaping (Egress), Rate Policing (Ingress), Scheduling Algorithms (Round Robin, Weighted Round Robin, Deficit Round Robin, Strict Priority), Weighted Random Early Detect
L2 мрежови стандартиIEEE compliance: 802.1AB, 802.1s, 802.1w, 802.3ab, 802.3ad, 802.3ae, 802.3ba, 802.3i, 802.3u, 802.3z, 802.1D, 802.1p, 802.1Q, 802.1Qbb, 802.1Qaz, 802.1X, 802.3ac, 802.3bj, 802.3x, 802.1t
L3 мрежови стандартиOSPF
IPv6 functionalityGeneral IPv6 protocols are supported.
СигурностRADIUS, Radius and IPv6
Размери (Ш, Д, В), mm431 x 457 x 44
Опция за монтажRackmount
Други1 RJ45 console/management port with RS232 signaling, 1 RJ45 micro-USB-B console port, 1 RJ45 10/100/1000Base-T management Ethernet port

Dell EMC Switch S4128F-ON, 1U, PHY-le...

№ DNS4128
Dell EMC Switch S4128F-ON, 1U, PHY-less, 28 x 10GbE SFP+, 2 x QSFP28, IO to PSU, 2 PSU, OS10, 1Yr PS NBD, 210-ALSY
Сравни Цена
№ DNN3248X
Комутатор
Dell EMC PowerSwitch N3248X-ON, 48x1/2.5/5/10G RJ-45, 4x25G SFP28, 2x100G QSFP28, 1xAC PSU, IO/PS, OS6, Lifetime Limited Hardware Warranty
Суич, типFixed Port
Общ брой портове54
Основни портове, тип48x10GBase-T
Uplink портове4x 25G SFP28 ports
УправлениеCLI, Web, SNMP; 1x 10/100/1000BaseT Ethernet management port
Stackable2x 100G QSFP28
FansRedundant variable speed fans
Захранване1x 550W AC PSU
RoutingLine-rate Layer 3 routing (Static routes: 1024 (IPv4)/1024 (IPv6); Dynamic routes: 8158 (IPv4)/4096 (IPv6); RIP routing interfaces: 512, VLAN routing interfaces: 128)
Памет (Flash, RAM)4 GB DDR4 SO-DIMM, 8 GB mSATA 2.0/M.2 SSD, buffer memory: 4MB
Капацитет за маршрутизиране/превключване, Gbps1560 Gbps
Пропускателна способност, Mpps2167 Mpps
MAC адреси32K
VLAN (брой, стандарти)Private VLAN extensions and Private VLAN Edge support; VLAN routing interfaces: 128; VLANs supported: 4094; Protocol-based VLANs: Supported; Max VLAN interfaces with ACLs applied: 24
QoSDiffServ Field, DiffServ Architecture, Assured Fwd PHB, Port Based QoS Services (TCP/UDP) Mode, Red/WRED, Flow Based QoS Services, Audio Video Bridging Mode (IPv4/IPv6), UDLD, srTCM, trTCM
L2 мрежови стандарти802.3ab 802.1ax (Layer 2) 802.1d, 802.1w, 802.1s, 802.1x (Mgmt/Security), 802.3x (Layer 2) 802.3 802.3ba (40 GbE and 100 GbE) 802.3bt 802.3at 802.3az 802.1v 1613 802.1p, 1q 802.1s 802.3u, 802.3bz, 802.3at, 802.3bt
L3 мрежови стандартиRIP, OSPF, VRRP, MIB
IPv6 functionalityLayer 3 Advanced IPv4 and IPv6 functionality including BGP, VRF, BFD, PIM-SM/DM/SSM, IGMP/MLD, RIPv1/v2, OSPFv2/v3
СигурностRADIUS, TACACS+, 802.1x
Размери (Ш, Д, В), mm434 x 400 x 43.5 mm
Опция за монтажRackmount
Други1x Micro USB Type-B console port, 1x USB Type-A port, 1x RJ45 serial console port; Two-core Denverton-NS CPU

Dell EMC PowerSwitch N3248X-ON, 48x1/...

№ DNN3248X
Dell EMC PowerSwitch N3248X-ON, 48x1/2.5/5/10G RJ-45, 4x25G SFP28, 2x100G QSFP28, 1xAC PSU, IO/PS, OS6, Lifetime Limited Hardware Warranty
Сравни Цена
№ DNN3248PXE
Комутатор
Dell EMC PowerSwitch N3248PXE-ON, 48x1/2.5/5/10G RJ-45, 4x25G SFP28, 2x100G QSFP28, PoE 90W, 1xAC PSU, IO/PS, OS6, Lifetime Limited Hardware Warranty
Суич, типFixed Port
Общ брой портове54
Основни портове, тип48x10GBase-T
Power Over Ethernet (PoE)802.3bt Type-4 (90W) PoE
Uplink портове4x 25G SFP28
УправлениеCLI, Web, SNMP; 1x 10/100/1000BaseT Ethernet management port
Stackable2x 100G QSFP28
FansRedundant variable speed fans
Захранване1x 1600W AC PSU
RoutingLine-rate Layer 3 routing (Static routes: 1024 (IPv4)/1024 (IPv6); Dynamic routes: 8158 (IPv4)/4096 (IPv6); RIP routing interfaces: 512, VLAN routing interfaces: 128)
Памет (Flash, RAM)4 GB DDR4 SO-DIMM, 8 GB mSATA 2.0/M.2 SSD
Капацитет за маршрутизиране/превключване, Gbps1560 Gbps
Пропускателна способност, Mpps2167 Mpps
MAC адреси32K
VLAN (брой, стандарти)Private VLAN extensions and Private VLAN Edge support; VLAN routing interfaces: 128; VLANs supported: 4094; Protocol-based VLANs: Supported; Max VLAN interfaces with ACLs applied: 24
QoSDiffServ Field, DiffServ Architecture, Assured Fwd PHB, Port Based QoS Services (TCP/UDP) Mode, Red/WRED, Flow Based QoS Services, Audio Video Bridging Mode (IPv4/IPv6), UDLD, srTCM, trTCM
L2 мрежови стандарти802.3ab 802.1ax (Layer 2) 802.1d, 802.1w, 802.1s, 802.1x (Mgmt/Security), 802.3x (Layer 2) 802.3 802.3ba (40 GbE and 100 GbE) 802.3bt 802.3at 802.3az 802.1v 1613 802.1p, 1q 802.1s 802.3u, 802.3bz, 802.3at, 802.3bt
L3 мрежови стандартиRIP, OSPF, VRRP, MIB
IPv6 functionalityLayer 3 Advanced IPv4 and IPv6 functionality including BGP, VRF, BFD, PIM-SM/DM/SSM, IGMP/MLD, RIPv1/v2, OSPFv2/v3
СигурностRADIUS, TACACS+, 802.1x
Размери (Ш, Д, В), mm434 x 400 x 43.5 mm
Опция за монтажRackmount
Други1x Micro USB Type-B console port, 1x USB Type-A port, 1x RJ45 serial console port; Two-core Denverton-NS CPU

Dell EMC PowerSwitch N3248PXE-ON, 48x...

№ DNN3248PXE
Dell EMC PowerSwitch N3248PXE-ON, 48x1/2.5/5/10G RJ-45, 4x25G SFP28, 2x100G QSFP28, PoE 90W, 1xAC PSU, IO/PS, OS6, Lifetime Limited Hardware Warranty
Сравни Цена
2

FreeMarker template error (HTML_DEBUG mode; use RETHROW in production!)

The following has evaluated to null or missing:
==> nomCurrency  [in template "template/xhtml/product_thumb_script.ftl" at line 130, column 80]

----
Tip: If the failing expression is known to be legally refer to something that's null or missing, either specify a default value like myOptionalVar!myDefault, or use <#if myOptionalVar??>when-present<#else>when-missing</#if>. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??
----

----
FTL stack trace ("~" means nesting-related):
	- Failed at: ${nomCurrency.name}  [in template "template/xhtml/product_thumb_script.ftl" at line 130, column 78]
----

Java stack trace (for programmers):
----
freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...]
	at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:116)
	at freemarker.core.UnexpectedTypeException.newDesciptionBuilder(UnexpectedTypeException.java:60)
	at freemarker.core.UnexpectedTypeException.<init>(UnexpectedTypeException.java:40)
	at freemarker.core.NonHashException.<init>(NonHashException.java:46)
	at freemarker.core.Dot._eval(Dot.java:45)
	at freemarker.core.Expression.eval(Expression.java:78)
	at freemarker.core.Expression.evalAndCoerceToString(Expression.java:82)
	at freemarker.core.DollarVariable.accept(DollarVariable.java:40)
	at freemarker.core.Environment.visitByHiddingParent(Environment.java:333)
	at freemarker.core.IfBlock.accept(IfBlock.java:48)
	at freemarker.core.Environment.visit(Environment.java:312)
	at freemarker.core.MixedContent.accept(MixedContent.java:62)
	at freemarker.core.Environment.visit(Environment.java:312)
	at freemarker.core.Environment.process(Environment.java:290)
	at freemarker.template.Template.process(Template.java:312)
	at org.apache.struts2.components.template.FreemarkerTemplateEngine.renderTemplate(FreemarkerTemplateEngine.java:158)
	at org.apache.struts2.components.UIBean.mergeTemplate(UIBean.java:584)
	at org.apache.struts2.components.UIBean.end(UIBean.java:538)
	at org.apache.struts2.views.freemarker.tags.CallbackWriter.afterBody(CallbackWriter.java:84)
	at freemarker.core.Environment.visitAndTransform(Environment.java:415)
	at freemarker.core.UnifiedCall.accept(UnifiedCall.java:108)
	at freemarker.core.Environment.visit(Environment.java:312)
	at freemarker.core.MixedContent.accept(MixedContent.java:62)
	at freemarker.core.Environment.visit(Environment.java:312)
	at freemarker.core.Environment.process(Environment.java:290)
	at freemarker.template.Template.process(Template.java:312)
	at org.apache.struts2.views.freemarker.FreemarkerResult.doExecute(FreemarkerResult.java:223)
	at org.apache.struts2.dispatcher.StrutsResultSupport.execute(StrutsResultSupport.java:191)
	at org.apache.struts2.rest.RestActionInvocation.executeResult(RestActionInvocation.java:238)
	at org.apache.struts2.rest.RestActionInvocation.processResult(RestActionInvocation.java:197)
	at org.apache.struts2.rest.RestActionInvocation.invoke(RestActionInvocation.java:145)
	at com.opensymphony.xwork2.DefaultActionProxy.execute(DefaultActionProxy.java:147)
	at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:575)
	at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:81)
	at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:99)
	at stemo.ActionMapper.MultipartRequestFilter.doFilter(MultipartRequestFilter.java:45)
	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:61)
	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:131)
	at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:84)
	at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:62)
	at io.undertow.servlet.handlers.ServletChain$1.handleRequest(ServletChain.java:68)
	at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)
	at org.wildfly.elytron.web.undertow.server.ElytronRunAsHandler.lambda$handleRequest$1(ElytronRunAsHandler.java:68)
	at org.wildfly.security.auth.server.FlexibleIdentityAssociation.runAsFunctionEx(FlexibleIdentityAssociation.java:103)
	at org.wildfly.security.auth.server.Scoped.runAsFunctionEx(Scoped.java:161)
	at org.wildfly.security.auth.server.Scoped.runAs(Scoped.java:73)
	at org.wildfly.elytron.web.undertow.server.ElytronRunAsHandler.handleRequest(ElytronRunAsHandler.java:67)
	at io.undertow.servlet.handlers.RedirectDirHandler.handleRequest(RedirectDirHandler.java:68)
	at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:117)
	at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:57)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:46)
	at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:64)
	at io.undertow.security.handlers.AbstractSecurityContextAssociationHandler.handleRequest(AbstractSecurityContextAssociationHandler.java:43)
	at org.wildfly.elytron.web.undertow.server.servlet.CleanUpHandler.handleRequest(CleanUpHandler.java:38)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at org.wildfly.extension.undertow.deployment.GlobalRequestControllerHandler.handleRequest(GlobalRequestControllerHandler.java:68)
	at io.undertow.servlet.handlers.SendErrorPageHandler.handleRequest(SendErrorPageHandler.java:52)
	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)
	at io.undertow.server.handlers.MetricsHandler.handleRequest(MetricsHandler.java:64)
	at io.undertow.servlet.core.MetricsChainHandler.handleRequest(MetricsChainHandler.java:59)
	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:275)
	at io.undertow.servlet.handlers.ServletInitialHandler.access$100(ServletInitialHandler.java:79)
	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:134)
	at io.undertow.servlet.handlers.ServletInitialHandler$2.call(ServletInitialHandler.java:131)
	at io.undertow.servlet.core.ServletRequestContextThreadSetupAction$1.call(ServletRequestContextThreadSetupAction.java:48)
	at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1544)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1544)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1544)
	at org.wildfly.extension.undertow.deployment.UndertowDeploymentInfoService$UndertowThreadSetupAction.lambda$create$0(UndertowDeploymentInfoService.java:1544)
	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:255)
	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:79)
	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:100)
	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:387)
	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:852)
	at org.jboss.threads.ContextClassLoaderSavingRunnable.run(ContextClassLoaderSavingRunnable.java:35)
	at org.jboss.threads.EnhancedQueueExecutor.safeRun(EnhancedQueueExecutor.java:1990)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.doRunTask(EnhancedQueueExecutor.java:1486)
	at org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1377)
	at org.xnio.XnioWorker$WorkerThreadFactory$1$1.run(XnioWorker.java:1282)
	at java.lang.Thread.run(Thread.java:750)