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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.

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Resolved! SFP port troubleshooting

Hi All, I am hoping that someone may be able to shed some light on a strange issue we have.We have two new Catalyst 2960-48PST-S switches both of which have an 1000BaseSX SFP module installed in GigabitEthernet0/1. Each transceiver is securely instal...

Resolved! Connecting a 100 Base FX transceiver to single mode fiber

I'm looking to connect to an ISP circuit. The fiber run is single mode and they have a 100 Base FX transceiver on their end.I've looked up the specifications on that transceiver and it say's it should only be run on SMF. Anyone had any success with t...

AAA with privilege level 0

Dears, can anyone advise why when i configure privilege level 0 without aaa enable it is taking privilege 0 commands as  below but when enable aaa  then privilege treated as level 1.   privilege level 0 — Includes the disable, enable, exit, help, and...

waeel22e1 by • Level 1
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cisco 3450 stack images

Hello,   I was wondering. I have 2 3750 stacked. One of it had an issue with the fan and had to take it out. I ordered a new one but it came with a different image as the one that is working right now. The new one has c3750-ipbase9-mz and the old hta...

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