IS there a problem with symantec ghost 8.2 and cisco switches

Answered Question
Aug 20th, 2007
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I have a mixture of 2950G and 3548XL

on my network and have a major problem

with the speed of ghost multicasting, the speed as dropped to around 1Mbps when it use to be around 50-60Mbps. The switches all have the latest code and the vlan interfaces are configured with pim-dense mode.IGMP snooping is on 2950G's and CGMP is on the 3500XL's. Multicasting does work but it is just very slow and I have noticed a few other posts with the same problem but no replies yet.

Correct Answer by Edison Ortiz about 9 years 9 months ago

What changed from the time it used to be 50-60Mbps ?

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Correct Answer
Edison Ortiz Tue, 08/21/2007 - 18:14
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What changed from the time it used to be 50-60Mbps ?

g.peart Wed, 08/22/2007 - 12:03
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After going over my network topology and testing various switches and uplinks the problem was related to mixing ISL and Dot1q trunks.The switches interlinked using ISL trunks and the final connection to my 6500 was Dot1q trunk, by changing all links between switches to either ISL or Dot1q the multicast speeds increased to 44Mbps and when Ghost was run using the Ghost switches of -INF the speed increased to 69Mbps. So my lesson was ensure end to end topology is consistent


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