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Menggunakan 3th-party SFP pada Cisco

Menggunakan SFP kawe seperti WTD, Finisar, dll di perangkat Cisco tidak akan langsung bisa digunakan.

jika dilihat menggunakan “show interface Gix/xx” akan terlihat

   Gix/xx is down, line protocol is down (notconnect)
………
Auto-duplex, Auto-speed, link type is auto, media type is unknown
input flow-control is off, output flow-control is unsupported

jika kita lihat log “show log” seperti berikut

   2y6w: %PM-4-ERR_DISABLE: gbic-invalid error detected on Gixx/xx, putting Gixx/xx in err-disable state
2y6w: %GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port 65557 has bad crc

 

Dikarenakan setiap SFP Modul terdapat data didalam EEPROM-nya, Serial Number, Vendor Name & ID, Security code and a CRC. Cisco membaca data tsb, bila tidak cocok, akan menempatkan modul yang tidak cocok tersebut ke dalam “err-disable state”. dalam kasus yang saya alami dikarenakan  “gbic-invalid error” alias Gigabit interface converter gak cocok.

Agak dipaksa dikit, cisco menyediakan perintah rahasia:

   switch(config)# service unsupported-transceiver
switch(config)# no errdisable detect cause gbic-invalid

dan akan muncul peringatan seperti berikut

 Warning: When Cisco determines that a fault or defect can be traced to
the use of third-party transceivers installed by a customer or reseller,
then, at Cisco’s discretion, Cisco may withhold support under warranty or
a Cisco support program. In the course of providing support for a Cisco
networking product Cisco may require that the end user install Cisco
transceivers if Cisco determines that removing third-party parts will
assist Cisco in diagnosing the cause of a support issue.

catatan : DWYOR

sumber

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