He aha nā mea i loaʻa iā TCP / IP Router (Routing)?

ʻO ka papa kuhi (ʻo ia hoʻi ka papa kuhikuhi hoʻohei) e mālama i nāʻikepili i hoʻohanaʻia e nā mea keleponaʻenehana TCP / IP e helu i nā wahi o nā leka e hopohopo nei lākou no ka hoʻounaʻana aku. ʻO ka papa kuhi he mea liʻiliʻi i loko o ka pūnaeweleʻikepili i mālamaʻia e nā mea lako a me nā lako kamepiula i kūkuluʻia.

Nā Papa Kuhikuhi Papa a me nā Liz

Loaʻa i nā papa kuhi he papa inoa o nā kuhi IP . ʻO kēlā me kēia wahi ma ka papa inoa e hoʻomaopopo i kahi mea hoʻopuka mamao (aiʻole kekahi o ka pūnaewele pūnaewele ) e hoʻonohonohoʻia ka mea hoʻopuka o kahi mea eʻike ai.

No kēlā a me kēia IP helu, e hoʻouka hou ka papahana kelepa i kahi mea uhi pūnaewele a me nāʻike'ē aʻe e ho'ākāka ana i nā kūlana helu IP IP e hoʻounaʻia e ka polokalamu mamao.

Hoʻokomo nā mea kelepona hōʻaleʻa i kahi papa kaikawe liʻiliʻi loa no ka mea e hoʻokuʻu nui aku lākou i nā huakai puka waho i ke kahua pūnaewele hoʻolako pūnaewele (ISP) e mālama ana i nā'ōkuhi hoʻokele'ē aʻe. Loaʻa i nā papa helu kuhi he nui he mauʻumi a keu paha. Ma ka hoʻohālikelike,ʻo nā mea hoʻokele nui loa ma ke kele o ka pūnaewele pūnaewele o ka pūnaewele pūnaewele e mālama i ka papa kuhikuhiʻokoʻa pūnaewele piha e loaʻa ana i nā helu helu he mau haneli. (E nānā i ka hōʻike CIDR no nāʻikepili uila hōʻano hou.)

ʻOihana Dynamic vs. Static Routing

Hoʻopili ke kūkuluʻana i nā papa hana hoʻokele i ka wā i hoʻohuiʻia i ka mea pūnaewele. Hāʻawi lākou i hoʻokahi papaʻaina papa kelepona no kēlā me kēia kikowaena DNS o ke kikowaena (kumu, kula kiʻekiʻe a me kaʻoihana kulanui inā loaʻa) a me kahi helu no ka hoʻoholoʻana i waena o nā papahana home.

Hiki iā lākou ke hana i kekahi mau ala hou aku no nā kumu kūikawā'ē aʻe e like me nāʻano multicast a me ala pāʻoihana .

Hiki iāʻoe ke kāohi iāʻoe ma kahiʻoihana kikowaena hōʻano'ē aʻe. Eia naʻe, nā mea hoʻokele meaʻoihana e hāʻawi i nā luna lawelawe kelepona i nā loli pilikino a hoʻoponopono i nā papa kuhikuhi.

Hiki ke hoʻohana i kēia hoʻokele hoʻoili kūikawā i kaʻikeʻana no kaʻoihana pūnaewele a me ka hilinaʻi. Ma kahi pūnaewele home,ʻaʻohe mea e pono ai ka hoʻohanaʻana i nā alaʻaina keʻole nā ​​mea kūlohelohe (e like me ka hoʻonohonohoʻana i nā subnetworks a me ka mea hanaʻelua).

Ke nānā nei i nā Contents o Routing Tables

Ma nāʻonika liʻiliʻi o ka home, kuhikuhiʻia nā mea papa e hōʻikeʻia ana ma ka nānā ma loko o ka hoʻolālā hoʻomalu. Ke hōʻike nei i kahi papa IPv4 i lalo nei.

Ke kuhikuhiʻana i ka papa inoa papa inoa (hiʻohiʻona)
LAN IP Paena Subnet ʻO ka puka Ho'ākāka
0.0.0.0 0.0.0.0 xx.yyy.86.1 WAN (Pūnaewele)
xx.yyy.86.1 255.255.255.255 xx.yyy.86.1 WAN (Pūnaewele)
xx.yyy.86.134 255.255.255.255 xx.yy.86.134 WAN (Pūnaewele)
192.168.1.0 255.255.255.0 192.168.1.101 LAN & Alaula

Ma kēia hiʻohiʻona,ʻo nā helu muaʻelua e kuhikuhi ana i nā ala i ka wahi o ka pane pūnaewele o ka Pūnaewele ('xx' a me 'yyy' e pili ana i nā koina IP mau i hunaʻia no ka mea o kēiaʻatikala). ʻO ke kolu o ka heluʻana ke kuhikuhi nei i ka ala i ka lehulehu o ka mea hoʻopuka home e kū pono ana i ka IP IP i hāʻawiʻia e ka mea hāʻawi. ʻO ka helu hope loa ke kuhikuhi nei i ke ala no nā kamepiula a pau i loko o ka pūnaewele home i ka router home, kahi i loaʻa ai ka IP he 19uter i ka 192.168.1.101.

Ma nā polokalamu Windows a me Unix / Linux,ʻo ka palapala netstat -r e hōʻike ana i nā mea o ka papa kuhi i hoʻonohonohoʻia ma ka kamepiula o ka wahi.