EX4400-24X Ethernet Access Hloov

Lub Juniper Networks^®EX4400 kab ntawm Ethernet keyboards muaj kev ruaj ntseg, huab -npaj portfolio ntawm kev nkag mus keyboards zoo tagnrho rau kev lag luam ceg, tsev kawm ntawv, thiab cov chaw zov me nyuam cov ntaub ntawv. Cov EX4400 hloov pauv ua ke ua ke qhov yooj yim ntawm huab, lub zog ntawm Mist AI ™, thiab lub hauv paus kho vajtse ruaj khov nrog qhov zoo tshaj plaws - hauv -chav kawm kev nyab xeeb thiab kev ua haujlwm kom xa cov kev sib txawv rau kev nkag mus rau kev hloov pauv hauv huab, mobile, thiab IoT era. Nrog Juniper Mist ™ Wired Assurance, koj tuaj yeem siv zog ntawm lub nkoj, teeb tsa, thiab tswj hwm EX4400 los ntawm huab. Qhov no ua rau kev ua haujlwm yooj yim dua, txhim kho kev pom, thiab ua kom zoo dua rau cov khoom siv txuas nrog thiab cov neeg siv.

Cov yam ntxwv tseem ceeb:

Huab-npaj, tsav los ntawm Mist AI nrog Juniper Mist Wired Assurance thiab Marvis Virtual Network Assistant

Ethernet VPN–Virtual Extensible LAN (EVPN-VXLAN) mus rau txheej nkag

Xaus-rau- xaus kev encryption siv Media Access Control Security (MACsec) AES256

IEEE 802.3bz Multigigabit

IEEE 802.3bt Hwj chim dhau Ethernet (PoE++)

WiFi 7-npaj hloov pauv, xa mus txog 3600W ntawm PoE fais fab ib qho kev hloov nrog AC / DC fais fab mov xaiv

Cov qauv-raws li microsegmentation siv pab pawg-raws li txoj cai (GBP)

Flow-raws li telemetry los saib xyuas cov tsheb khiav mus rau qhov tsis txaus ntseeg

Precision Timing Protocol-pob tshab moos

10-tus tswv cuab Virtual Chassis txhawb nqa

 

Muab cov txheej txheem tag nrho ntawm Txheej Txheej 2 thiab Txheej Txheej 3 muaj peev xwm, EX4400 ua kom muaj ntau yam kev xa tawm, suav nrog tsev kawm ntawv, ceg, thiab cov chaw khaws ntaub ntawv saum toj kawg nkaus ntawm kev xa tawm. Raws li cov kev xav tau loj hlob tuaj, Juniper's Virtual Chassis thev naus laus zis tso cai rau 10 EX4400 hloov pauv kom muaj kev sib txuas sib txuas thiab tswj tau raws li ib qho khoom siv, xa cov kev daws teeb meem, them nyiaj raws li koj loj hlob rau kev nthuav dav network ib puag ncig. Cov qauv EX4400 xa mus txog 3600W ntawm PoE lub zog nrog AC / DC fais fab mov xaiv, ua rau lawv zoo tagnrho rau Wi-Fi 7 kev xa tawm, cov tsev ntse xws li teeb pom kev zoo, IoT sensors, HVAC, thiab cov txheej txheem tswj lossis txhawb nqa lwm lub zog tshaib plab PoE kawg.

 

Architecture thiab cov khoom tseem ceeb

Kev tswj hwm huab nrog Juniper Mist Wired Assurance, tsav los ntawm Mist AI

EX4400 keyboards tuaj yeem ua tau sai thiab yooj yim onboarded (Hnub 0), npaj (Hnub 1), thiab tswj (Hnub 2+) los ntawm huab nrog Juniper Mist Wired Assurance, uas coj AI -powered automation thiab insights optimize experiences for end users and connected devices. EX4400 muab cov nplua nuj Junos^®cov ntaub ntawv xov xwm kev khiav hauj lwm rau Mist AI, pab ua kom yooj yim dua, lub sij hawm luv luv los kho (MTTR), thiab kho qhov teeb meem. Yog xav paub ntxiv, nyeem Juniper Mist Wired Assurance datasheet.

Ntxiv rau Juniper Mist Wired Assurance, Marvis Virtual Network Assistant-ib feem tseem ceeb ntawm Tus Kheej -Driving Network™- ua rau Mist AI cav sib tham sib. Kev txuas ntxiv digital ntawm pab pawg IT, Marvis muab kev kho tsis siv neeg lossis kev pom zoo ua haujlwm, tso cai rau pab pawg IT txhawm rau txhim kho lawv li cas daws teeb meem thiab tswj lawv cov haujlwm hauv network.

 

EVPN-VXLAN technology

Feem ntau cov chaw hauv tsev kawm ntawv ib txwm siv tau siv ib qho -tus neeg muag khoom, chassis- raws li kev tsim qauv uas ua haujlwm zoo rau cov tsev kawm ntawv me me, zoo li qub nrog ob peb qhov kawg. Txawm li cas los xij, txoj hauv kev no yog nruj dhau los txhawb qhov kev hloov pauv ntawm cov kev pabcuam hauv tsev kawm ntawv niaj hnub. EX4400 txhawb nqa EVPN-VXLAN, txuas qhov kawg- mus rau-kawg ntaub los ntawm cov tub ntxhais kawm hauv tsev kawm ntawv mus rau kev faib mus rau txheej txheej nkag.

Ib qho EVPN-VXLAN npuag yog ib qho yooj yim, programmable, zoo heev scalable architecture tsim los ntawm cov qauv qhib. Cov thev naus laus zis no tuaj yeem siv rau hauv ob lub chaw cov ntaub ntawv thiab cov tsev kawm ntawv rau kev ua vaj tsev sib xws. Lub tsev kawm ntawv EVPN-VXLAN architecture siv Layer 3 IP-raws li underlay network thiab EVPN-VXLAN overlay network. Ib qho yooj yim overlay network raws li VXLAN overlay nrog EVPN tswj lub dav hlau zoo muab Txheej Txheej 2 thiab / lossis Txheej 3 txuas thoob plaws hauv lub network.

Qhov zoo ntawm EVPN-VXLAN hauv tsev kawm ntawv yog:

Flexibility ntawm VLANs zoo ib yam thoob plaws lub network: Cov ntsiab lus kawg tuaj yeem muab tso rau txhua qhov chaw hauv lub network thiab tseem txuas nrog tib lub laj thawj L2 network, ua kom lub virtual topology raug txiav tawm ntawm lub cev topology.

Microsegmentation siv pab pawg -raws li txoj cai: Pab pawg-raws li txoj cai (GBP) nrog EVPN-VXLAN-raws li kev tsim qauv tso cai rau koj siv ntau txoj cai thiab cov kev pabcuam thoob plaws hauv tsev kawm ntawv nrog kev txhawb nqa rau L2 thiab L3VPNs.

Scalability: Nrog rau lub dav hlau tswj EVPN, cov lag luam tuaj yeem ntsuas tawm tau yooj yim los ntawm kev ntxiv cov tub ntxhais ntxiv, kev sib sau ua ke, thiab nkag mus rau txheej txheej thaum lub lag luam loj hlob yam tsis tas yuav hloov kho lub network lossis ua lub forklift upgrade. Siv ib qho L3 IP-raws li underlay ua ke nrog EVPN-VXLAN overlay, cov tswv lag luam hauv tsev kawm ntawv tuaj yeem siv ntau lub network loj dua thiab muaj zog dua li qhov yuav ua tau nrog cov qauv L2 Ethernet-raws li architectures.

 

Virtual Chassis technology

Juniper's Virtual Chassis thev naus laus zis tso cai rau ntau qhov kev sib txuas sib txuas ua haujlwm ua ib qho chaw sib tham, ua rau cov neeg siv tswj hwm txhua lub platform ua ib qho khoom siv virtual.

Txog li 10 EX4400 keyboards tuaj yeem sib cuam tshuam raws li Virtual Chassis siv ob qhov chaw nres nkoj 100GbE. Cov chaw nres nkoj no nyob rau pem hauv ntej- vaj huam sib luag rau EX4400-24X thiab nyob rau sab nraub qaum rau EX4400 hloov pauv. Lawv lees txais 100G thiab 40G optics thiab tau teeb tsa ua Virtual Chassis ports los ntawm lub neej ntawd (tshwj tsis yog EX4400-24X).

Raws li 100GbE uplinks, cov chaw nres nkoj no tseem tuaj yeem ua raws li 4 x 10GbE / 25GbE Ethernet uplink ports.

EX4400 hloov pauv txhawb HiGig nrog rau HiGig dhau Ethernet (HGoE) cov txheej txheem rau kev tsim lub chassis virtual. Txawm li cas los xij, EX4400-24X txhawb nqa HGoE nkaus xwb rau kev tsim cov chassis virtual. Lub chassis virtual uas muaj EX4400 keyboards (tshwj tsis yog EX4400-24X) tuaj yeem siv HiGig raws tu qauv (default) lossis HGoE raws tu qauv. Lub chassis virtual muaj tsuas yog EX4400-24X keyboards lossis sib xyaw ntawm EX4400 thiab EX4400-24X keyboards, yuav tsum siv HGoE raws tu qauv los tsim lub chassis virtual.

 

Flow-raws li telemetry

Flow-raws li telemetry enables flow-level analytics, tso cai rau cov neeg khiav dej num hauv network los saib xyuas ntau txhiab lub tsheb khiav ntawm EX4400 yam tsis muaj lub nra rau CPU. Qhov no txhim kho kev ruaj ntseg network los ntawm kev saib xyuas, kev qhia hauv qab, thiab tshawb xyuas qhov tsis txaus ntseeg. Piv txwv li, yog hais tias predefined flow thresholds raug ua txhaum vim muaj kev tawm tsam, IP Flow Information Export (IPFIX) ceeb toom tuaj yeem xa mus rau lwm tus neeg rau zaub mov kom qhov kev tawm tsam tuaj yeem txheeb xyuas sai. Cov thawj coj hauv lub network tseem tuaj yeem ua haujlwm rau cov haujlwm tshwj xeeb, xws li tshuaj xyuas cov tsheb khiav lossis cais qhov chaw nres nkoj, txhawm rau ua qhov teeb meem.

 

Nta thiab cov txiaj ntsig

Kev ua haujlwm yooj yim nrog Juniper Mist Wired Assurance

Lub EX4400 yog huab huab onboarded, npaj, thiab tswj los ntawm Juniper Mist Wired Assurance. EX4400 yog tsim los ntawm hauv av mus rau xa cov nplua nuj telemetry uas ua rau AI rau kev ua haujlwm IT (AIOps) nrog kev ua haujlwm yooj yim txij hnub 0 txog Hnub 2 thiab dhau mus. Juniper Mist Wired Assurance muab cov ncauj lus kom ntxaws txog kev hloov pauv rau kev daws teeb meem yooj yim dua thiab txhim kho lub sijhawm los daws teeb meem los ntawm kev muab cov yam ntxwv hauv qab no:

Hnub 0 kev ua haujlwm: Onboard keyboards seamlessly los ntawm kev thov ib tug greenfield hloov los yog tag nrho cov muas keyboards nrog ib tug ua kom code rau tseeb plug-thiab- ua si simplicity. Koj tseem tuaj yeem ua rau ntawm cov keyboards brownfield nrog cov txheej txheem hloov pauv.

Hnub 1 kev ua haujlwm: Ua raws li tus qauv- raws li tus qauv teeb tsa rau ntau qhov kev nthuav tawm ntawm cov tsoos thiab cov ntaub hauv tsev kawm ntawv thaum khaws cov kev hloov pauv thiab kev tswj hwm uas yuav tsum tau siv rau kev cai qhov chaw- lossis hloov- cov yam ntxwv tshwj xeeb. Automate muab cov chaw nres nkoj ntawm Dynamic Port Profiles.

Hnub 2 ua haujlwm: Leverage AI hauv Juniper Mist Wired Assurance kom ua tau raws li qhov kev cia siab ntawm kev pabcuam xws li kev sib tw, kev sib txuas ua tiav, hloov kev noj qab haus huv, thiab hloov bandwidth nrog cov ntsuas tseem ceeb ua ntej thiab tom qab kev sib txuas (saib daim duab 2). Add the self‑driving capabilities in Marvis Actions to detect needle in the haystack issues such as missing VLANs, DHCP failure scopes, wired authentication failures, bad cables, port negotiation mismatches, persistently failing clients, detection of L2 loops, misconfigured ports, and traffic loops (see Figure 3). Ua software hloov kho kom yooj yim los ntawm Juniper Mist huab. EX4400 keyboards kuj txhawb kev ruaj ntseg pob ntawv ntes (pcap) thiab xa tawm mus rau tus neeg sau sab nraud (hauv huab) los pab saib xyuas thiab daws teeb meem kev ua haujlwm tsis zoo.

 

EVPN-VXLAN rau cov tub ntxhais kawm hauv tsev kawm ntawv, kev faib tawm, thiab kev nkag mus

Juniper muaj kev ua tiav tiav hauv kev xaiv ib qho ntawm cov ntawv pov thawj EVPN hauv qab no-VXLAN cov ntaub ntawv hauv tsev kawm ntawv uas haum rau cov kev sib txuas ntawm qhov sib txawv, qhov loj me, thiab kev faib ua ntu:

EVPN multihoming (collapsed core lossis faib): Ib qho kev sib tsoo core architecture sib txuas cov tub ntxhais thiab faib cov txheej txheem rau hauv ib qho kev hloov pauv, tig qhov qub peb -tier hierarchal network rau hauv ob-tier network. EVPN multihoming ntawm ib qho kev sib tsoo cov tub ntxhais tshem tawm qhov xav tau rau Spanning Tree Protocol (STP) thoob plaws hauv tsev kawm ntawv cov tes hauj lwm los ntawm kev muab cov kev sib txuas sib txuas los ntawm cov txheej txheem nkag mus rau cov txheej txheem tseem ceeb. Qhov no topology yog qhov zoo tshaj plaws haum rau me me mus rau nruab nrab faib kev lag luam network thiab tso cai rau VLANs zoo ib yam thoob plaws lub network. Qhov topology no siv ESI (Ethernet Segment Identifier) ​​LAG (Link Aggregation) thiab yog cov qauv- raws tu qauv.

Campus Fabric Core faib: Thaum EVPN VXLAN tau teeb tsa thoob plaws hauv cov tub ntxhais thiab cov txheej txheem faib khoom, nws dhau los ua lub tsev kawm ntawv Fabric Core Distribution architecture uas tuaj yeem teeb tsa hauv ob hom: hauv nruab nrab lossis ntug hla kev hla hla hla. Qhov kev tsim vaj tsev no muab lub sijhawm rau tus thawj coj txav mus rau hauv tsev kawm ntawv-Ntaub IP Clos yam tsis muaj kev hloov kho lub forklift ntawm txhua qhov kev nkag mus rau hauv lub network uas twb muaj lawm thaum coj mus rau qhov zoo ntawm kev txav mus rau hauv tsev kawm ntawv ntaub thiab muab txoj hauv kev yooj yim los ntsuas lub network.

Tsev kawm ntawv ntaub IP Clos: Thaum EVPN VXLAN raug teeb tsa ntawm txhua txheej, suav nrog kev nkag mus, nws yog hu ua lub tsev kawm ntawv ntaub IP Clos architecture. Cov qauv no kuj tseem hu ua "kawg-rau-kawg," muab tias VXLAN tunnels raug txiav tawm ntawm txheej nkag. Qhov muaj VXLAN ntawm txheej txheej nkag muab lub sijhawm los coj txoj cai tswjfwm thiab microsegmentation rau txheej nkag (ze rau qhov chaw) siv cov qauv-raws li Pawg Txoj Cai (GBP) rau ntu kev khiav tsheb txawm tias nyob hauv VLAN. GBP cov cim npe raug muab dynamically rau cov neeg siv khoom raws li ib feem ntawm Radius pauv los ntawm Juniper Mist Cloud NAC. Qhov topology no ua haujlwm rau me me, nruab nrab, thiab loj tsev kawm ntawv architectures uas xav tau macro thiab microsegmentation.

Hauv tag nrho cov EVPN no-VXLAN xa tawm hom, EX4400 keyboards tuaj yeem siv nyob rau hauv standalone lossis Virtual Chassis configurations. Tag nrho peb qhov topologies yog cov qauv-raws li thiab cuam tshuam nrog tus thib peb- cov neeg muag khoom.

 

Junos Telemetry Interface

Lub EX4400 txhawb nqa Junos Telemetry Interface (JTI), lub xov tooj cua niaj hnub streaming feature tsim los hloov kev noj qab haus huv thiab kev saib xyuas kev ua haujlwm. Cov ntaub ntawv sensor tuaj yeem xa tawm ntawm qhov kev teeb tsa ib ntus mus rau kev tswj hwm kev tswj hwm, ua rau cov thawj coj hauv lub network los saib xyuas tus kheej txuas thiab kev siv ntawm node nrog rau kev daws teeb meem xws li kev sib koom tes hauv lub sijhawm. JTI muab cov yam ntxwv hauv qab no:

Kev tswj hwm kev ua tau zoo los ntawm kev muab cov sensors los sau thiab xa cov ntaub ntawv thiab txheeb xyuas daim ntawv thov thiab kev ua haujlwm ntws los ntawm lub network

Kev npaj peev xwm thiab kev ua kom zoo dua los ntawm kev tshawb xyuas qhov hotspots thiab saib xyuas latency thiab microbursts

Kev daws teeb meem thiab cov hauv paus hauv paus kev txheeb xyuas los ntawm siab - kev soj ntsuam zaus thiab kev sib raug zoo ntawm kev sib tshooj thiab kev sib txuas hauv qab

 

Specifications

Form factor	Tsau 1 U faib / tub ntxhais
Chaw nres nkoj ceev	24 x 1/10GbaseX, 2 x 100GbE/40GbE uplinks. Common EX4400 uplink modules suav nrog 4 x 25GbE MACsec AES256, 4 x 10GbE tsis yog-MACsec, thiab 1 x 100GbE MACsec AES256.
Wired Assurance	Yog lawm
Campus Fabrics	EVPN-VXLAN, Virtual Chassis
Huab Tswj	Yog lawm
Dimensions (W x H x D)	17.39 x 1.72 x 16.93 nyob rau hauv (44.17 x 4.37 x 43 cm) 1 chav tsev khib
Backplane ceev	400-Gbps Virtual Chassis interconnect
Cov ntaub ntawv tus nqi	1080 Gbps (bidirectional)
Tshaj tawm	8 03mp
Kev ua siab ntev	Redundant internal load- sib faib khoom siv fais fab; redundant variable - ceev kiv cua
Kev saib xyuas tsheb	sFlow, IPFIX, flow-raws li telemetry
Zoo- ntawm- kev pabcuam (QoS) kab/chaw nres nkoj	12 (8 unicast, 4 multicast)
MAC chaw nyob	112,000
Jumbo ncej	9 216 ib
IPv4 unicast/multicast txoj kev	80,000
IPv6 unicast/multicast txoj kev	40,000
Number of VLANs	4093
ARP cov ntaub ntawv	24,000

 

Software specifications

Txheej 2/Layer 3 throughput (Mpps) (ntau kawg nrog 64 Byte Pob ntawv)

EX4400-48XP/48P/T 517Mpps

EX4400-24P/T 482Mpps

EX4400-24X 803 Mpps

EX4400-48F 678 Mpps

EX4400-48MXP / 48MP 758 Mpps

EX4400-24MP 803 Mpps

 

Kev ruaj ntseg

MAC txwv (ib qhov chaw nres nkoj thiab ib VLAN)

Tso cai MAC chaw nyob: 112,000

Dynamic Address Resolution Protocol (ARP) tshuaj xyuas (DAI)

IP qhov chaw tiv thaiv

Local proxy ARP

Kev them nyiaj yug ARP Static

Dynamic Host Configuration Protocol (DHCP) snooping

Captive portal

Persistent MAC chaw nyob configurations

Distributed denial of service (DDoS) tiv thaiv (CPU tswj txoj kev nyab xeeb tiv thaiv)

Simple Certificate Enrollment Protocol (SCEP)

 

Txheej 2 hloov

Qhov siab tshaj plaws MAC chaw nyob rau ib qhov system: 112,000

Jumbo ntas: 9216 Bytes

Tus naj npawb ntawm VLANs txhawb nqa: 4093

Ntau qhov ua tau VLAN IDs: 1 txog 4094

Virtual Spanning Tree (VST) piv txwv: 510

Chaw nres nkoj -raws li VLAN

Suab VLAN

Lub cev chaw nres nkoj redundancy: Redundant trunk pawg (RTG)

Tau tshaj Per -VLAN Spanning Tree Plus (PVST+)

Routed VLAN interface (RVI)

Uplink tsis ua haujlwm nrhiav pom (UFD)

ITU-T G.8032: Ethernet Ring Protection Switching

IEEE 802.1AB: Link Layer Discovery Protocol (LLDP)

LLDP-MED nrog VoIP kev koom ua ke

Default VLAN thiab ntau VLAN kev txhawb nqa

MAC kev kawm deactivate

Persistent MAC kev kawm (nplaum MAC)

MAC ceeb toom

Private VLANs (PVLANs)

Kev ceeb toom qhia meej txog kev sib tsoo (ECN)

Txheej 2 raws tu qauv tunneling (L2PT)

IEEE 802.1ak: Multiple VLAN Registration Protocol (MVRP)

IEEE 802.1p: CoS prioritization

IEEE 802.1Q: VLAN tagging

IEEE 802.1X: Port Access Control

IEEE 802.1ak: Ntau Cov Ntawv Sau Npe Ua Haujlwm

IEEE 802.3: 10BASE-T

IEEE 802.3u: 100BASE-T

IEEE 802.3ab: 1000BASE-T

IEEE 802.3z: 1000BASE-X

IEEE 802.3bz: 2.5GBASE-T thiab 5GBASE-T

IEEE 802.3ae: 10-Gigabit Ethernet

IEEE 802.3by: 25-Gigabit Ethernet

IEEE 802.3af: Fais fab dhau Ethernet

IEEE 802.3at: Fais fab dhau Ethernet Plus

IEEE 802.3bt: 90 W Lub Hwj Chim ntawm Ethernet

IEEE 802.3x: Pause Frames / Flow Control

IEEE 802.3ah: Ethernet hauv Thawj Mile

 

Tsob Ntoo

IEEE 802.1D: Spanning Tree Protocol

IEEE 802.1s: Ntau qhov piv txwv ntawm Spanning Tree Protocol (MSTP)

Tus naj npawb ntawm MST qhov kev txhawb nqa: 64

Tus lej ntawm VLAN Spanning Tree Protocol (VSTP) qhov kev txhawb nqa: 510

IEEE 802.1w: Kev hloov kho sai ntawm Spanning Tree Protocol

 

Txuas Aggregation

IEEE 802.3ad: Txuas Aggregation Control Protocol

802.3ad (LACP) kev txhawb nqa:

Number of LAGs txhawb: 128

Qhov siab tshaj plaws ntawm cov chaw nres nkoj ib LAG: 16

LAG load- sib koom algorithm txuas los yog routed (unicast lossis multicast) tsheb khiav:

Tus IP: S / D IP

TCP/UDP: S/D IP, S/D Chaw nres nkoj

Tsis yog-IP: S/D MAC

Tagged ports txhawb hauv LAG

 

Txheej 3 nta: IPv4

Cov naj npawb siab tshaj ntawm ARP nkag: 24,000

Tus lej siab tshaj plaws ntawm IPv4 unicast txoj hauv kev kho vajtse: 130,048 ua ntej; 81,000 host routes

Tus lej siab tshaj plaws ntawm IPv4 multicast txoj hauv kev kho vajtse: 40,000 multicast txoj kev

Routing protocols: RIPv1/v2, OSPF, BGP, IS-IS

Static routing

Routing txoj cai

Bidirectional Forwarding Detection (BFD)

L3 redundancy: Virtual Router Redundancy Protocol (VRRP)

VRF{0}}Lite: 1000

 

Txheej 3 nta: IPv6

Tus lej siab tshaj plaws ntawm Neighbor Discovery (ND) nkag: 12,000

Tus lej siab tshaj plaws ntawm IPv6 unicast txoj hauv kev kho vajtse: 87,000 ua ntej; 40,000 host routes

Tus lej siab tshaj plaws ntawm IPv6 multicast txoj hauv kev kho vajtse: 20,000 multicast txoj kev

Routing raws tu qauv: RIPng, OSPFv3, IPv6, ISIS

Static routing

Cim npe nrov: ex4400-24x ethernet nkag mus, lwm tus neeg, lag luam wholesale, pheej yig, nqe