Network Tap vs SPAN Port Mirror, ndeipi Network Traffic Capturing iri nani paNetwork Monitoring and Security yako?

Mapombi (Nzvimbo Dzekuyedza Kupinda), inozivikanwawo seTepi Yokukopa, Tap yekuunganidza, Kubata Kunoshanda, Tap yemhangura, Tap yeEthernet, Tap yeOptical, Tap Yepanyama, nezvimwewo. MaTaps inzira inozivikanwa yekuwana data re network. Anopa kuoneka kwakazara kwe data re network uye anotarisisa nhaurirano nenzira yakarurama pamatanho maviri, pasina kurasikirwa kwepaketi kana kunonoka. Kubuda kweTAP kwakachinja zvakanyanya nzvimbo yekutarisa nekutarisa network, zvichichinja zvakanyanya nzira dzekuwana masystem ekutarisa nekuongorora uye kupa mhinduro yakakwana uye inochinjika kune system yese yekutarisa.

Kufambira mberi kwetekinoroji kuripo pari zvino kwakaburitsa mhando dzakasiyana dzemapombi: mapombi anounganidza malink akawanda, mapombi ekugadzirisa anokamura traffic yelink kuita zvikamu zvakasiyana, mapombi epadhuze, uye matrix tap switches.

Parizvino, mhando dzeTap dzakakurumbira muindasitiri iyi dzinosanganisira NetTAP neMylinking, pakati padzo Mylinking inozivikanwa semhando yakanaka yeTap neNPB muindasitiri yeChina, ine mugove wepamusoro wemusika, kugadzikana uye kushanda zvakanaka.

Mabhenefiti eTAP

1. Bata 100% yemapaketi edata pasina kurasikirwa nepaketi.

2. Mapaketi edata asina kurongeka anogona kutariswa, zvichiita kuti pave nekugadziriswa kwematambudziko.

3. Nguva dzakanyorwa nemazvo, hapana kunonoka uye nguva inodzokororwa.

4. Kuisa kamwe chete kunoita kuti zvive nyore kubatanidza uye kufambisa analyzer.

Zvakaipa zveTAP

1. Unofanira kushandisa mari yakawanda kutenga splitter TAP, iyo inodhura uye inotora nzvimbo yeraki.

2. Chinongedzo chimwe chete ndicho chinogona kuonekwa panguva imwe chete.

Maitiro Akajairika eTAP

1. Malink ekutengeserana: Malink aya anoda nguva pfupi kwazvo yekugadzirisa matambudziko. Nekuisa maTAP mumalink aya, mainjiniya enetwork vanogona kuwana nekugadzirisa matambudziko nekukurumidza.

2. Zvinongedzo zvepakati kana zvemusana. Izvi zvine bandwidth inoshandiswa zvakanyanya uye hazvigone kukanganiswa pakubatanidza kana kufambisa analyzer. TAP inovimbisa 100% data capture pasina kurasikirwa nepacket, zvichipa vimbiso yekushanda kweongororo chaiyo yezvingedzo izvi.

3. VoIP neQoS: Kuyedzwa kwemhando yeVoIP kunoda kuyerwa kwakarurama kwekukanganiswa kwejitter uye mapaketi. MaTAP anovimbisa zvizere bvunzo idzi, asi magirazi epahwindo anogona kuchinja kukosha kwejitter uye kupa mwero wepasi wekurasikirwa usingaite.

4. Kugadzirisa Matambudziko: Iva nechokwadi chekuti mapaketi edata asina kurongeka uye asina kururama aonekwa. Magirazi anosefa mapaketi aya, zvichidzivirira mainjiniya kuti vasape ruzivo rwakakosha uye rwakakwana rwekugadzirisa matambudziko.

5. Kushandiswa kweIDS: IDS inoshandisa ruzivo rwakakwana rwedata kuti ione maitiro ekupinda, uye TAP inogona kupa ruzivo rwakavimbika uye rwakakwana kune sisitimu yekuona kupinda.

6. Server cluster: Iyo multi-port splitter inogona kubatanidza 8/12 links panguva imwe chete, zvichigonesa remote uye free switching, izvo zviri nyore kutarisa nekuongorora chero nguva.

Kutorwa kwePaketi yePCAP

SPAN (Kuongorora Chiteshi Chekuchinja)inozivikanwawo seMirrored Port kana kuti Port Mirror. Maswichi epamusoro anogona kukopa mapaketi edata kubva kune imwe port kana kupfuura kuenda kune imwe port yakatarwa, inonzi "mirror port" kana "destination port." Analyzer inogona kubatana nemirrored port kuti igamuchire data. Zvisinei, chimiro ichi chinogona kukanganisa mashandiro eswitch uye kukonzera kurasikirwa kwepacket kana data rakawandisa.

Mabhenefiti eSPAN

1. Inodhura zvishoma, hapana mimwe michina inodiwa.

2. Mafambiro ese ari paVLAN pa switch anogona kutariswa panguva imwe chete.

3. Mumwe muongorori anogona kutarisa ma link akawanda.

Zvakaipa zveSPAN

1. Kuenzanisa traffic kubva kumaports akawanda kuenda kuport imwe chete kunogona kukonzera kuwanda kwecache uye kurasikirwa nemapaketi.

2. Mapaketi anodzokororwa nguva paanopfuura nemu cache, zvichiita kuti zvisakwanise kunyatsoona nguva dzakadai se jitter, packet interval analysis, uye latency.

3. Kutadza kutarisa mapaketi ekutadza eOSI layer 1.2. Mapositi mazhinji ekutarisa data anosefa mapaketi edata asina kujairika, ayo asingakwanise kupa ruzivo rwakadzama uye runobatsira pakugadzirisa matambudziko.

4. Nekuti kufamba kwechiteshi chegirazi kunowedzera mutoro weCPU weswitch, zvichaita kuti mashandiro eswitch adzikire.

Maitiro Akajairika eSPAN

1. Kune ma link ane bandwidth shoma uye kugona kwakanaka kwekutarisa, kuratidzira kwema port akawanda kunogona kushandiswa pakuongorora nekutarisa zviri nyore.

2. Kutarisa mafambiro ezvinhu: Kana kutarisisa kwakanyatsojeka kusingadiwi, nhamba dzedata dzisina kurongeka chete ndidzo dzakakwana.

3. Kuongorora maitirwo ehurongwa nekushandiswa: ruzivo rwakakodzera rwedata runogona kupihwa zviri nyore uye zvine mwero kubva pagirazi rechiteshi

4. Kutarisa VLAN yese: Tekinoroji yekutarisa magirazi akawanda inogona kushandiswa kutarisa VLAN yese zviri nyore pa switch.

Nhanganyaya kuVLAN:

Kutanga, ngatitaurei pfungwa huru yenzvimbo yekutepfenyura. Izvi zvinoreva nzvimbo iyo mafuremu ekutepfenyura (kero dzeMAC dzese dziri 1) anogona kutapurirwa, uye nemamwe mazwi, nzvimbo iyo kutaurirana kwakananga kunogoneka. Kutaura chokwadi, kwete mafuremu ekutepfenyura chete, asiwo mafuremu emulticast uye mafuremu eunicast asingazivikanwe anogona kufamba zvakasununguka mukati menzvimbo imwe chete yekutepfenyura.

Pakutanga, switch yeLayer 2 yaingogona kugadzira domain imwe chete yekutepfenyura. Pa switch yeLayer 2 isina maVLAN akagadzirwa, chero furemu yekutepfenyura yaitumirwa kumaports ese kunze kwechiteshi chinogamuchira (kufashamira). Zvisinei, kushandisa maVLAN kunobvumira network kupatsanurwa kuita madomain akawanda ekutepfenyura. MaVLAN ndiyo tekinoroji inoshandiswa kupatsanura madomain ekutepfenyura paLayer 2 switches. Nekushandisa maVLAN, tinogona kugadzira zvakasununguka kuumbwa kwemadomain ekutepfenyura, zvichiwedzera kuchinjika kwekugadzira network.

Mapoinzi eNetwork


Nguva yekutumira: Gunyana-04-2025