Ukuqonda I-Spanning Tree Protocol (STP): Ukuthuthukisa Ukuzinza Kwenethiwekhi nge-Toda

Kumanethiwekhi esimanjemanje, ukuqinisekisa i-loop-free topology kubalulekile ekugcineni ukusebenza okuphezulu nokuthembeka. I-Spanning Tree Protocol (STP), esezingeni njenge-IEEE 802.1D, iyindlela eyisisekelo esetshenziswa amaswishi enethiwekhi ukuvimbela amalophu e-Ethernet. Kwa-Toda, sihlanganisa i-STP kuzixazululo zethu zenethiwekhi ukuze sinikeze ingqalasizinda yenethiwekhi eqinile neqinile.

Iyini i-Spanning Tree Protocol?
I-STP iphrothokholi Yesendlalelo 2 edala i-loop enengqondo engenalo loop ngokumisa indlela eyodwa esebenzayo phakathi kwamadivayisi enethiwekhi nokuvimbela izindlela ezingasasebenzi. Le nqubo ivimbela iziphepho zokusakaza futhi iqinisekisa ukudluliswa kwedatha okuphumelelayo kuyo yonke inethiwekhi.

Isebenza kanjani i-STP?
I-Root Bridge Election: I-STP iqala ngokukhetha ibhuloho eliyimpande, elizosebenza njengendawo eyinkomba emaphakathi yenethiwekhi. Wonke amanye amaswishi azobala indlela emfushane eya kuleli bhuloho eliyimpande.

Isabelo seqhaza lechweba: Imbobo yokushintsha ngayinye yabelwe indima eyodwa kwezilandelayo:

I-Root Port (RP): Ichweba elinendlela engcono kakhulu eya ebhulohweni eliyimpande.

Imbobo Ekhethiwe (DP): Imbobo enendlela engcono kakhulu eya ebhulohweni eliyimpande yengxenye ethile yenethiwekhi.

Izimbobo ezivinjiwe: Izimbobo ezingeyona ingxenye ye-topology esebenzayo futhi avinjelwe ukuvimbela amaluphu. .

I-BPDU Exchange: Ishintsha i-Bridge Protocol Data Units (BPDUs) ukwabelana ngolwazi mayelana ne-topology yenethiwekhi. Lokhu kushintshisana kusiza enqubweni yokhetho nasekugcineni i-topology engenalophu.

I-Topology iyashintsha: Uma kwenzeka ushintsho lwe-topology yenethiwekhi (njengokwehluleka kwesixhumanisi), i-STP ibala kabusha indlela engcono kakhulu futhi ilungise kabusha inethiwekhi ukuze igcine ukusebenza okungenalophu. .

Kungani i-STP ibalulekile
Ukuvimbela izihibe zenethiwekhi: Ngokuvimba izindlela ezingasasebenzi, i-STP iqinisekisa ukuthi amafreyimu awajiki ngokungapheli, adla umkhawulokudonsa kanye nezinsiza zokucubungula.

I-redundancy ethuthukisiwe: I-STP ivumela izindlela eziningi ezibonakalayo phakathi kokushintsha, ihlinzeka ngokuphindaphinda ngaphandle kokubeka engcupheni ukuzinza kwenethiwekhi.

Ukuzivumelanisa nezinguquko zenethiwekhi: I-STP ilungisa ngokuguqukayo izinguquko zenethiwekhi, njengokuhluleka kwesixhumanisi noma izengezo, ukuze igcine inethiwekhi isebenza. .

Ukuzibophezela kwe-Toda Ekusebenzeni Kwenethiwekhi
Kwa-Toda, siyayiqonda indima ebalulekile edlalwa yi-STP ekuthembekeni kwenethiwekhi. Izixazululo zethu zenethiwekhi ziklanyelwe ukusekela i-STP, ukuqinisekisa ukuthi inethiwekhi yakho ihlala izinzile futhi isebenza kahle. Kungakhathaliseki ukuthi wakha inethiwekhi entsha noma ulungiselela ekhona kakade, imikhiqizo nolwazi lwe-Toda lungakusiza ukuthi udale indawo yenethiwekhi eqinile, engenalophu.

Ukuze uthole ulwazi olwengeziwe mayelana nokuthi i-Toda ingakusiza kanjani ukwakha inethiwekhi ethembekile, sicela uxhumane nethimba lethu losekelo.