Switching

I was reading over a power point presentation and found the 5-4-3-2-1 rule:The 5-4-3-2-1 rule requires that the following guidelines should not be exceeded: Five segments of network media Four repeaters or hubs Three host segments of the network Two ...

I've got a 3750G which I've got set up with multiple vlans, two of which have routable IP addresses, by which I can manage the 3750G. I'd like to be able to set up a 2950 the same way, but it looks like I have to assign IP addresses to a specific po...

We have a 6509 MSFC3 12.2(18)SXF7 and we notice that our passive FTP connections thru tcp port 1985 never makes it thru the switch? What's odd is all other ports work fine (ie tcp 1984 & 1986) normal tcp handshake. We took a capture on several portio...

I have an issue recently that a PC connected on VLAN106 (SALES) kept getting a DHCP leased IP address from a DHCP server on VLAN 100 (TECH). I do not have this issue with any other VLANs so I am thinking right after the sales folks made some move th...

I have 2 6500 switches with Sup720's. When I try to connect using port 1 to port 1 on the other 720 via a standard LC to LC fiber patch cord, I cannot get a link light, However, when I connect from 1 720 LC to a SC connection on one of the modules, ...

Anybody knows if the Ethernet interface of 3845 router is "Handoff"?TIA

I have to make a recommendation for a core network WAN router that will be used to connect a client's trusted remote sites. The client has about 80 remote sites, and 13 of them have several hundred or so users in them.OK, what considerations should I...

Any input is much appreciated.Planning to replace my existing iSCSI switches with two 3750E switches. My iSCSN SAN supports jumbo frame (9000 bytes) and so does these two 3750E. I will turn on jumbo frame (9000 bytes) on all ports (except the FE) and...

HiHow to enable ssh on 2950 with cisco IOS software C2970 ( C2950-LANBASE-M) Version - 12.2(25) SEB4.I tried with crypro key generate rsa command. but it seems command is not supported. On this version of IOS.Any link on Cisco.comThanks in advanceSub...

I'm aware that the message "C4K_EBM" 5 "HOSTFLAPPING" relates to Spanning Tree Loops.If a lot of these message occur then clearly there is a problem, but would the occasional message be expected and not necessarily be a problem?Please help.

Anyone know how I can reset the state changes to 0 ?

What is the difference in using the "access" mode for the switchport and not?For example, I have a switch that has the ports configured in the following way and all workstations can access the network in VLAN 45.I cannot set port security on the port...

Hi friends I have a problem with etherchannel on 2 wireless link . wireless bridges are alvarion with 36 and 54 Mbps speed. I used 2 2960 switches . when I configure switches for etherchannel , I shows me that po channel is up,up and connected but in...