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I've got an 1841 router and am using NAT to expose certain IPs and ports to the outside world so that external users can see internal resources (namely, web sites).  However, I can't seem to get it running such that I can visit the external IP addres...

Hi..I have problem with the standby supervisor in 6500 vss and need to replace the supervisor.  I have follow how-to on the cisco web site - http://www.cisco.com/en/US/products/ps9336/products_configuration_example09186a0080a64891.shtml.But when i bo...

sem7433 by Level 1
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I have one computer connected to the 4506 that management does not want this pc to have access to anything on our network except our DHCP server and the one printer that resides on our network.  I created an extended access list as follows.  Our netw...

thornick by Level 1
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As a general best practice, I would always make sure that configured MTUs on adjacent switch/router interfaces match across a network. If not, fragmentation can occur, thereby degrading performance. On the other hand, the packet may not be fragmented...

visitor68 by Level 5
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HI All,I have a setup                              6509-E ( Sup V-10G)  (Layer 3 switch)                                 |                                 |                              Nexus 7k         (Layer2 switch)                                ...

I'm not able to find power redundancy mode when i do show power on my Cisco 4510R+R with SUP7E.switch#show powerPower                                             Fan      InlineSupply  Model No          Type       Status       Sensor   Status------  ...

nawas by Level 4
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Hi Guys,I'm just wondering, the previous network administrator here has setup RSTP, and has devided half the ports (odds) and the other half (evens) into seperate costs. So odd ports get cost 19 and evens cost 100.The ports all connect to voip phones...

rnbguy123 by Level 1
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*** Address Parity Error ***PC = 0xbfc00d20, Cause = 0xd4000, Status Reg = 0x3041e803Failure detected during ROMMON start-up tests. Restart ROMMON.System Bootstrap, Version 12.2(8r)T2, RELEASE SOFTWARE (fc1)TAC Support: http://www.cisco.com/tacCopyri...

mahesh18 by Level 6
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Can anyone point me to some good docs that outline the purpose of fabric, M and F cards?In paricular I need to know the relationship between M/F cards and how/why I would combine them in the 7K.EG, if I have X nunber of subnets hanging on Y number of...