Cisco Catalyst Switchでサードパーティsfpを使う場合の設定

SFPを挿します。

Apr 17 10:23:15.793 JST: %GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port Gi1/0/1 has bad crc
Apr 17 10:23:15.793 JST: %PM-4-ERR_DISABLE: gbic-invalid error detected on Gi1/0/1, putting Gi1/0/1 in err-disable state

と怒られます。インタフェースも落ちます。

cat3750#show int status | i err
Gi1/0/1                      err-disabled 1            auto   auto unknown

直し方。

cat3750#configure terminal
cat3750(config)#no errdisable detect cause gbic-invalid
cat3750(config)#service unsupported-transceiver
 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.

cat3750(config)#^Z

抜き差しします。あとはshutdown/no shutdownも。

Apr 17 11:02:58.929 JST: %GBIC_SECURITY_CRYPT-4-VN_DATA_CRC_ERROR: GBIC in port Gi1/0/2 has bad crc
Apr 17 11:02:58.929 JST: %PHY-4-UNSUPPORTED_TRANSCEIVER: Unsupported transceiver found in Gi1/0/2

ニュアンスが変わります。情報も見れます。そしてupします。

cat3750#sh idprom interface gigabitEthernet1/0/1
General SFP Information
-----------------------------------------------
Identifier            :   0x03
Connector             :   0x07
Transceiver           :   0x00 0x00 0x00 0x01 0x20 0x40 0x0C 0x05
Encoding              :   0x01
BR_Nominal            :   0x15
Vendor Name           :   FINISAR CORP.
Vendor Part Number    :   FTR**********
Vendor Revision       :   0x41 0x20 0x20 0x20
Vendor Serial Number  :   PA90D57
-----------------------------------------------

cat4948ではno errdisable detect cause sfp-config-mismatchなんてconfigを見たりしたけど、ほかにもいろいろありそうなきもします。