Media Converter for 3550 w/gig ports

Hey guys,
Got a question. I have a 3550 w/ 10 fiber ports and 2 copper ports. I have to upgrade IOS and am trying to find some type of media converter to fit into the fiber ports and convert it to copper ports. Both of the copper ports on the device are being utilized and I'd like to upgrade the IOS w/o disconnecting the devices attached to them.
I would think there would be some sort of card that I could plug into the slot and convert it to copper and plug my laptop directly into that.
Thanks!
Colin

I assume from your description of the switch it is a 3550-12G (WS-C2550-12G). This has 10 GBIC-based 1000BaseX ports and 2 10/100/1000 ports. There are 5 different types of GBIC's that can be installed in the 10 GBIC slots:
WS-X3500-XL ---- GigaStack Stacking GBIC
WS-G5484 ---- 1000BaseSX
WS-G5486 ---- 1000BaseLX/LH
WS-G5487 ---- 1000BaseZX
WS-G5483 ---- 1000BaseT
If you want to connect devices using Copper then the 1000BaseT GBIC can be used. This only works at Gigabit Speeds though and can't negotiate down to 10 or 100Mbps (unlike the 1000BaseT SFP GBIC when installed in the 3560 & 3750).
HTH
Andy

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Upgrade IOS on 3550 w/ Gig ports

Good morning,
I am in the middle of IOS upgrades and kind of stuck! I have a 3550 that has 12 gig interfaces, 10 of which are fiber and 2 of which are copper interfaces. I want to try to minimize the amount of downtime as much as possible. Obviously it's going to come down when I have to reload.
Here is my question. Is there a way for me to upgrade the IOS from one of the 10 Gig fiber interfaces? I tried using a media converter (fiber to copper) to connect my laptop to the switch, but I couldn't get the interface to come up. The media converter is 10/100Mbps and I couldn't find a way to change the speed on the interface of the switch to match that. Both copper interfaces are currently being used. The device is unmanaged so I cannot upgrade it remotely.
Thanks!
Colin

hi
I dont think you can make use of a media converter which is different in speed when compared to the port speed of the switch.
If you have 10/100Mbps port connecting to the Gig port on the switch whichs again 1000Mbps the port wont come up at all and you wont be to get them synced...
We did try something inline with this quite sometime back and failed with that.
what i can suggest is to logon to the console port of the switch and configure a vlan ip.
hook up your pc on any of the ethernet ports and configure on the same subnet to which the vlan belongs too.
Check the ip reachability to the switch from the local pc and upload the ios using TFTP..
regds

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I'd like to reduce the CPU on my ISR-G2 routers that have the SRE modules running WCCP GRE. I'd like to use the external gig port on the SRE module for the WCCP traffic, which will allow me to use WCCP L2. Is this even feasible? Or maybe I just need to add WCCP L2 on an SRE as a New Feature request to Cisco?
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If you are trying to decrease CPU utilization on your router, don't expect switching from GRE to L2 to make a drastic difference. The ISR G2 is a software based platform, as such WCCP (whether L2 or GRE) is processed by the CPU with CEF assistance.
True removing the GRE encapsulation will save some processing overhead, but in the end it's the PPS (packets per second) your router is handling that's driving the CPU.
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CER_TELEPHONY | Cannot register media terminal for port : 7000000

CER_TELEPHONY | Cannot register media terminal for port : 7000000
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Media converter

We need a media converter which should convert 1000 Mbps (TP-RJ45) to 1000 Mbps SX (Multi-mode Fiber)
The length of the Fiber cable is 1 (One) Kilometer.
Fiber Cable Type: 6 Core, 62.5/125µm
Connector Type: MM SC connectors
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hi amit
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[email protected]

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Hi Joseph,
My Colleague, the very excellent David Carr wasn't aware of this, but the 100 series switch only support 1000Mbit/sec speeds on SFP's not 100M/bit/sec.
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My apologies for this .
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regards Dave

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Richard.

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No . . . and no.

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x

Media Converter for 3550 w/gig ports

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