Manyan Masu Bayar da hanyar sadarwa Canja Case Ip Kamara A Filin Cctv - 24+2 Gudanar da Gigabit Fiber Ethernet Canja JHA-S2024MG-26BC - JHA
Manyan Masu Bayar da hanyar sadarwa Canja Case Ip Kamara A Filin Cctv - 24+2 Gudanar da Gigabit Fiber Ethernet Canja JHA-S2024MG-26BC - JHA Cikakkun bayanai:
24+2 Gudanar da Gigabit Fiber Ethernet Canja
Saukewa: JHA-S2024MG-26BC
24+2 Gigabit Manajan Fiber Switch
♦Samfurin ovkumaduba:
v JHA-S2024MG-26BC Series Gigabit Sarrafa Fiber Switches su ne na biyu, Layer na huɗu gigabit sarrafa sauyawa. Hardware yana goyan bayan sauya saurin waya na Layer na biyu. Masu amfani za su iya saita kowane nau'in ayyuka na sauyawa ta hanyar tashar Ethernet a WEB. Gina-ginen ARP da tsarin tsaro na DOS na iya kare kariya daga ARP, DOS da harin ƙwayoyin cuta daban-daban. Haka kuma JHA-S2024MG-26BC Series Sauyawa kuma sanye take da yawa iko fasali: a m QoS, spanning bishiya, a hadari kashewa, Bandwidth Control, IGMP Snooping, ACL damar iko, DHCP snooping da dai sauransu sosai dace da kananan da matsakaici-sized Enterprises, cibiyar sadarwa na harabar, da aikace-aikacen tattara cibiyar sadarwar yankin birni.
- Tsaro na ARP: aikin adireshin MAC da haɗin tashar tashar jiragen ruwa da kuma tace adireshin tsaro na MAC na iya kare harin ARP yadda ya kamata; DHCP snooping na iya ba da kariya ta ARP ga masu amfani don samun MAC da ƙarfi.
2. Qos: goyon baya ga mahara QOS dabarun. Dangane da saitin fifiko na 802.1p, kowane tashar jiragen ruwa yana ba da layukan fifiko guda takwas. Ana iya raba IP-DSCP zuwa matakan sabis daban-daban bisa ga taken IP, don cimma cikakkiyar QOS. AUTO VOIP na iya saita tashar jiragen ruwa zuwa mafi girman fifiko na siginar murya, inganta ingancin muryar cibiyar sadarwar IP tarho sosai.
3. Itace Mai Kaya: Taimakawa ƙa'idar IEEE 802.1d da IEEE 802.1w (Rapid Spanning Tree Protocol) da IEEE 802.1s (Tsarin Tsarin Bishiya da yawa).
4. AUTO DOS: kare wannan hari na DOS da nau'i bakwai daban-daban.
(1) Harin ƙasa: maharin ya aika fakitin TCP SYN na jabu na bayanan da ke gudana tare da adireshin IP iri ɗaya, adireshin IP ɗin, tsarin wanda aka azabtar yana ƙoƙarin aika bayanan amsawa ga kansa, yana haifar da rikicewar tsarin kuma zai gurɓace ko sake farawa. .
(2) Harin Blat: maharin ya aika da jabun fakiti masu lambar tashar tashar ruwa iri ɗaya da lambar tashar tashar jiragen ruwa, tsarin da abin ya shafa yayi ƙoƙarin aika bayanan martani ga kansa, yana haifar da rushewar tsarin ko sake farawa.
(3) Harin Smurf: wanda ya kai harin yana amfani da adreshin tushe mara tushe na hari don aiwatar da tsarin ping zuwa adireshin watsa shirye-shirye. Sannan duk runduna masu aiki za su mayar da martani ga abin da aka sa a gaba, wanda zai haifar da cunkoson hanyar sadarwa ko rushewa.
(4) Ambaliyar Ping: ambaliya tsarin da aka yi niyya ta hanyar guguwar watsa shirye-shiryen ping, ta yadda tsarin ba zai iya amsa wasiƙar da ta dace ba.
(5) SYN/SYN-ACK ambaliya: ambaliya tsarin ramin ramin ta SYN ko SYN/ACK fakiti.
(6) Kare harin TCP mara inganci: Hana ambaliya data haifar da ingantattun fakitin TCP.
(7) Ping of Death harin: Yana aika manyan buƙatun buƙatun ICMP ("Ping"), manufarsa ita ce haifar da buffer ɗin shigar da kwamfuta da aka yi niyya, ta yadda kwamfutar ta lalace.
5. Ƙunƙarar guguwa: za a iya saita shi tare da Watsa shirye-shirye, multicast, DLF zirga-zirga.
6. ACL Access Control: ana amfani dashi don sarrafa musayar fakiti daga tashar jiragen ruwa, don tabbatar da cewa rukunin yanar gizon ba zai sami damar yin amfani da masu amfani ba tare da izini ba, yayin da yake kare harin ARP a kaikaice.
7. IGMP Snooping: Taimakawa nau'in IGMP 2 (RFC 2236): Ana amfani da IGMP Snooping don kafa ƙungiyoyin multicast don tura fakitin multicast don guje wa ɓata bandwidth lokacin da fakitin multicast ya mamaye cibiyar sadarwa.
8. Taimako don tabbatarwa na 802.1x, da kuma samar da masu amfani da damar yin amfani da tabbaci.
9. Wire-gudun tacewa - Adanawa - yanayin gaba, samar da tsarin sauyawa na gaskiya ba tare da toshewa ba.
10.Support aikin madubi tashar jiragen ruwa, tashar tashar jiragen ruwa, iyakar saurin tashar jiragen ruwa.
11. Goyi bayan VLAN na tushen tashar jiragen ruwa da IEEE802.1Q dangane da VLAN.
♦Bayanin samfur:
| Samfurin samfur | 24+2Gigabit Manajan Fiber Switch |
| Kafaffen tashar jiragen ruwa | 24*1000M SFP tashoshin jiragen ruwa+2*1000M RJ45 tashar jiragen ruwa |
| Babban bandwidth | 52Gbit |
| Cache | 32Mbits |
| VLAN | 4K |
| Teburin adireshin MAC | 8K |
| Tsawon fram | 9216B |
| Kafofin Sadarwar Sadarwa | 1000base-lx: Amfani da Logara Lamba (1310nm) akan Yanayin Yanayin Yanayi da Fiber na Yanayi guda, mafi girman nesa shine 550ms 10.20km. 1000Base-SX: 62.5μm multimode fiber, matsakaicin watsa nisa na 275m 50μm multimode fiber, matsakaicin watsawa na mita 550. |
| Yarjejeniyar da aka goyi baya | IEEE802.3,IEEE 802.3 ab,IEEE 802.3,IEEE802.1q,IEEE802.1p,IEEE802.1z,IEEE802.1d,IEEE802.1s,IEEE802.1w,IEEE802.1ax,IEEE802.1ak |
| Tace da turawa | 1000Mbps:Farashin 1488000 |
| Girma | 440x280x44mm (1U19 inch misali chassis) |
| Amfani da muhalli | Ajiya Zazzabi:-20 ℃~70 ℃;Yanayin ajiya5%~90)Mara natsuwa |
| Yanayin aiki:0 ℃~40 ℃;aikin zafi10%~90)Mara natsuwa | |
| Ƙarfi | shigarwa:Saukewa: 90-264VAC,50-60HZ;fitarwa:5V/12A |
| Amfanin wutar lantarki | 60W |
Hotuna dalla-dalla samfurin:
Jagoran Samfuri masu alaƙa:
Mun dage kan bayar da ingantaccen masana'anta tare da ingantaccen ra'ayi na kasuwanci, tallace-tallace na gaskiya da taimako da sauri. ba zai kawo muku ba kawai samfura ko sabis mai inganci da riba mai yawa ba, amma mahimmanci shine mamaye kasuwa mara iyaka don Manyan Ma'aikatan Sadarwar Sadarwar Sadarwar Canja Case Ip Kamara A Filin Cctv - 24 + 2 Gudanar da Gigabit Fiber Ethernet Canja JHA-S2024MG-26BC - JHA , Samfurin zai samar wa duk duniya, kamar: Melbourne, Bangkok, Macedonia, Saboda samfuranmu da sabis masu kyau, mun sami kyakkyawan suna kuma amincewa daga gida da waje abokan ciniki. Idan kuna buƙatar ƙarin bayani kuma kuna sha'awar kowane samfuranmu, da fatan za a ji daɗin tuntuɓar mu. Muna sa ran zama mai samar da ku nan gaba.
By Elizabeth daga Munich - 2017.11.11 11:41 Kayayyakin kamfanin da kyau, mun saya da haɗin kai sau da yawa, farashi mai kyau da ingantaccen inganci, a takaice, wannan kamfani ne amintacce!
By Hannah daga Faransa - 2017.06.22 12:49 










