Hi,I am somewhat green with switch configuration so please bear with me.I am trying to set up port forwarding within a particular subnet and to limit it in that subnet.The subnet is 172.16.120.0 subnet mask 255.255.248.0.We recently had three catalys...
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Forum Posts
We have a Ghost cast server and whenever a multicast session from a client starts, this switch gets disconnected and comes back after the session is over. any idea why this happens..3548 is connected to a 3550 to which the ghost case server is connec...
Hello, I have catalyst 2950 with IOS version 12.1(22).EA4, some times detects loop in the network, but we do not know the origin of the problem. How I can identify that it originates the problem?regardsGuillermo
I have 4 core 6500's that are connected in this fashion. A to B, B to C, C to D, and D to A. These core switches feed distribution switches in various wiring closets. Recently, I lost all connectivity to distribution switches off 6500 C intermitten...
Does any one knows if these switches can have three password attemps and then switch is locked out? Where can I find specific documentation about this type of configuration? Thank you
Any know why the interface level command "storm-control broadcase level xx" is not accepted on a 6509e with a Sup32 module? The device is running 12.2.(18) SXF11, and the command is availble, but the switch reports back the following error:switch1(c...
Resolved! ABR between non backbone areas??
Hi all, I have a question about designing an OSPF network: suppose that I have two non backbone areas , for example areas 1 and 2, conected to backbone area 0.(normal behaviour). And suppose that the network is geographically growing in a way that m...
I need to convert our config on the 6509 from CatOS to IOS. Have anyone used the Cisco EDI CatOS to IOS configuration Tool? Is it worth using it or should I just do this conversion manually? Any suggestions what to look out for would be greatly appre...
Resolved! spanning-tree loop
How does one identify spanning-tree loop in the network?
I have two 3750 switches in a stack that does not have a default-gateway statement yet when I telnet to that stack, I can ping a device that is on a different subnet. The switches are L2 only and are uplinked to two distribution layer 6509 routers t...
Hello!plz have a llok to the Attached File.so in like thuis setup do i need to assign root bridge Manualy for these Vlan's.or the protocole select the root according its rules10xs
Hi all, I've got a network setup of 2 switches that communicate and transmit data across a VLAN. Trunking is enabled between them, but when i add a router to tranverse to an alternative site i can't seem to get the host on say vlan 10 to ping the rou...
On a 4507 (IOS 12.2), I believe you need one physical port to be up in VLAN 5 for the VLAN Interface 5 to be up/up.Is there any way to over-ride that default?Jimmyc
Resolved! Finding unused ports
In one of our buildings we have a number of 4500 switches to provide LAN connectivity to users and we are running out of ports. Rather then buying more blades or switches I would like to reuse some ports. So my question is how to tell if a port has n...
Greetings,I need to decide which 3750 models to go with. I'm replacing a 4006 core switch.Data center servers ~250 devices: workstations, soon to be IP phones and possible video, printers, cameras, POE.I'm looking at:3750E-48TD3750E-48PD3750E-48PD-Fb...
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