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I am having an issue on my Lan where a mac address of 01000cdddddd is being sent by one of my 3550 EMI switches continuously. I have a majority of 3550s EMIs in my network. Most of the have multicast routing turned on in Dense-Sparse mode and IGMP ...

b.eman by Beginner
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  • 6 replies
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Hi all,I have problems login to CW from client machine, was working fine , it terminated my session and now i see the cw loading but no option to logon .I tried uninstalling and installing the j2re-1_4_1_02-windows-i586-isunmicrosystems did not work.

goa0201 by Beginner
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  • 4 replies
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I have installed 3 Cisco 2940's in my network. These 2940's are linked to a 3750-12 with fiber. Only special config on the 2940 is IGMP snooping on 2 Vlans. By the way I only have 2 Vlans configured on the 2940's. I am not running spanning tree a...

b.eman by Beginner
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  • 5 replies
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I need to terminate PPPoE over 802.1Q and again encapsulate them to 802.1Q on uplink port with specified VLan IDs.My situation is mapping IP to VLan tag, is it possible?or any solution/case studies for this purpose?Thank youMehrdad Rad.

mehrdad by Participant
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  • 2 replies
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During 2940 IOS upgrade the Switch shows the message and stop upgrading:Image info: Version Suffix: i6q4l2-121-22.EA1 Image Name: c2940-i6q4l2-mz.121-22.EA1.bin Version Directory: c2940-i6q4l2-mz.121-22.EA1 Ios Image Size: 3123712 Tot...

aalejo by Contributor
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  • 6 replies
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I've recently upgraded the IOS on a 1712VPN/K9 router and deleted the old IOS.Unfortunately the new IOS won't boot despite a successful upload. Thus a use 'bootlash' from rommon to get the IOS to boot up. Show flash: yields-1 c1700-k9o3sy7-mz.123-7.T...

a-greaves by Beginner
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  • 3 replies
  • 0 Helpful votes