Optics and Optical Networking

Engage with peer and Cisco experts about pluggable optics (Optics) and optical transport networks (Optical Networking).
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Learn how to make your network more efficient when you transition to Routed Optical Network.

Forum Posts

Resolved! C9400

We are going to buy a Cisco C9400 with C9400X-SUP-2XL supervisor which has 4 10/25G ports and 3 40/100G ports.we want to use the three ports with 100G as 10G only, so i wonder if it's possible and what do we need exactly ? to use SFP+ transeiver modu...

Hello,I'm trying to connect N9K-C93180YC-FX3 to Palo Alto PA-1410. I have transceivers listed below:CISCO: SFP-10/25G-CSR-S.PA: PAN-SFP-PLUS-SRIs there a solution to make them work? I'm trying without any results. I'm trying to establish 10 Gbps conn...

k-staniak by Level 1
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We have been using OEM sfps for a long time with C2960 series without a problem but we cuurently switch to a C1000 series switch and apperantly this series does not support the allow-unsupported-transceiver command. Does anybody know  a way to use ot...

Acar by Level 1
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                  I'm sure this has been covered on here before but just got a new laptop with Windows 7 and cannot get CTC to work, CTP is fine and works much better under Windows 7 because it can make use of the additional memory but CTC just hangs...

We have a Cisco C9200L-48P-4X and we would like to connect a SFP+ of 10Gb (that from the specs, is a fixed uplink) to a server that has a 10Gb port. We are using a Cisco SFP-H10GB-CU5M Compatible 5m 10G SFP+ to SFP+ Direct Attach Cable Twinax - 10GbE...

エキスパートの皆様 SFP-10GBase-SRを使用して次のようなアラートを見つけました。 Jan 20 14:36:33.935 JST: %SFF8472-3-THRESHOLD_VIOLATION: Te2/1/1: Rx power low warning; Operating value: -11.16 dBm, Threshold value: -9.91 dBm.Jan 20 14:46:36.290 JST: %SFF8472-3-THRESHOLD_VIOLATION: Te...