Ua maopopo iaʻu ua ʻike ʻoe i ka hakakā ma waena o Network Tap (Test Access Point) a me ka switch port analyzer (SPAN port) no ka nānā ʻana i ka Pūnaewele. Loaʻa iā lāua ʻelua ka mana e hoʻohālikelike i nā kaʻa ma ka pūnaewele a hoʻouna iā ia i nā mea palekana o waho e like me nā ʻōnaehana intrusion detection, network loggers, a i ʻole nā mea loiloi pūnaewele. Hoʻonohonoho ʻia nā awa Span ma nā hoʻololi ʻoihana pūnaewele i loaʻa ka hana hoʻohālikelike awa. He awa i hoʻolaʻa ʻia ma kahi hoʻololi hoʻokele e lawe i ke kope aniani o ka neʻe ʻana o ka pūnaewele mai ka hoʻololi e hoʻouna i nā mea hana palekana. ʻO ka TAP, ma ka ʻaoʻao ʻē aʻe, he mea ia e puʻunaue wale ana i nā kaʻa pūnaewele mai kahi pūnaewele i kahi mea hana palekana. Loaʻa iā TAP nā kaʻa pūnaewele ma nā ʻaoʻao ʻelua i ka manawa maoli a ma kahi ala kaʻawale.
ʻO kēia nā pono nui ʻelima o TAP ma o ke awa SPAN:
1. Hoʻopaʻa ʻo TAP i kēlā me kēia ʻeke!
Holoi ʻo Span i nā ʻeke pōʻino a me nā ʻeke liʻiliʻi ma mua o ka liʻiliʻi loa. No laila, ʻaʻole hiki i nā mea hana palekana ke loaʻa nā kaʻa a pau no ka mea ʻoi aku ka nui o nā awa span i ka ʻoihana pūnaewele. Eia kekahi, hoʻohui ʻia ka huakaʻi RX a me TX ma kahi awa hoʻokahi, no laila ʻoi aku ka nui o ka hāʻule ʻana o nā ʻeke. Hopu ʻo TAP i nā kaʻa ʻelua ʻaoʻao ma kēlā me kēia awa i ʻimi ʻia, me nā hewa awa.
2. Loaʻa ka hopena passive, ʻaʻohe hoʻonohonoho IP a i ʻole ka lako mana
Hoʻohana nui ʻia ʻo TAP passive i nā pūnaewele fiber optic. I ka TAP passive, loaʻa iā ia ke kaʻa mai nā ʻaoʻao ʻelua o ka pūnaewele a hoʻokaʻawale i ke kukui e hiki mai ana i ʻike ʻia ka 100% o ke kaʻa ma ka hāmeʻa nānā. ʻAʻole koi ka Passive TAP i kahi lako mana. ʻO ka hopena, hoʻohui lākou i kahi papa o ka redundancy, koi i ka mālama liʻiliʻi, a hoʻemi i nā kumukūʻai holoʻokoʻa. Inā hoʻolālā ʻoe e nānā i ka lele keleawe keleawe, pono ʻoe e hoʻohana i ka TAP hana. Pono ʻo Active TAP i ka uila, akā ʻo Niagra's Active TAP e loaʻa ana i ka ʻenehana bypass palekana palekana e hoʻopau i ka pilikia o ka hoʻopau ʻana i ka lawelawe inā pau ka mana.
3. ʻAʻohe poho o ka ʻeke
Nānā ʻo TAP pūnaewele i nā ʻaoʻao ʻelua o kahi loulou e hāʻawi i ka 100% ʻike ʻia o nā kaʻa pūnaewele ʻelua ala. ʻAʻole hoʻolei ʻo TAP i nā ʻeke, me ka nānā ʻole i kā lākou bandwidth.
4. He kūpono no ka hoʻohana ʻana i ka pūnaewele waena a kiʻekiʻe
ʻAʻole hiki i ke awa SPAN ke hana i nā loulou pūnaewele i hoʻohana nui ʻia me ka waiho ʻole ʻana i nā ʻeke. No laila, pono ka TAP pūnaewele i kēia mau hihia. Inā ʻoi aku ka nui o nā kaʻa ma waho o ka SPAN ma mua o ka loaʻa ʻana, ua lilo ka awa SPAN i ke kau inoa ʻana a koi ʻia e hoʻolei i nā ʻeke. No ka hopu ʻana i ka 10Gb o nā ala ʻelua, pono ka port SPAN i 20Gb o ka mana, a hiki i ka 10Gb Network TAP ke hopu i nā 10Gb āpau āpau.
5. TAP ʻAe i nā kaʻa a pau e hele, me nā hōʻailona VLAN
ʻAʻole hiki i nā awa Span ke hele i nā lepili VLAN, he mea paʻakikī ke ʻike i nā pilikia VLAN a hana i nā pilikia hoʻopunipuni. Hōʻalo ʻo TAP i nā pilikia ma ka ʻae ʻana i nā kaʻa a pau.
Ka manawa hoʻouna: Iulai-18-2022
