Switching

I want to upgrade my routers cisco 2811 with IOS version 12.4(8) to 12.4(25c) because of to resolve CSCse 34097 bug voice problem .But I can't download IOS image and I'm not clear  how can I download it.Any specification ( i mean router's product ID,...

Please view the attachment. I have several servers connected to a Cisco 4506. When I perform a #show mac-address interface g2/2 a unicast mac-address show up, which is normal behavior. On other ports when I run the same command a unicast mac does NOT...

Hello Friends:I have a problem, in the log of  one of my Switch Cisco Catalyst 3750, appears the following error message.00:00:29.704: %ILPOWER-3-CONTROLLER_POST_ERR: Inline Power Feature is disabled on this switch because     Power On Self Test (POS...

Does anyone know of a cisco switch with 12-24 sfp ports (ethernet fiber attached) for aggregating fiber for a small campus setup.I have seen the 3400CS with 12 fiber ports but need somthing slightly larger.Any ideas?

Hello,I am working on a lab at work before doing some changes on the cisco network.I have a 3750 and a 2960. They are connected and configured.When I do a connection between those switch on their Giga interface with a GLC-LH-SM everything works fine....

I am confused about software support for EOS/EOL switches.The recent EOL notice for the 3750 switches contains the following statement:End of SW Maintenance Releases Date:HWThe last date that Cisco Engineering may release any final software maintenan...

Hi,I want to communicate between these network where are use OSPF with different Area -> RIP -> OSPF, without using GRE, Redistribution, virtual link, PBR, other routing protocol, ipv6 so we can use only one static or default route so How I can?All o...

I have some problems trying to find if WS-X6K-SUP2-2GE is in EoLCan anybody have a Cisco link where exactly this part number is declared as EoL ?RegardsPedro

Good Day:I have a situation where my PC is generating over 30000 TCP DUP ACKs in a sec as per wireshark. This overwhelm the WAN circuit obvioulsy.I have no clue what triggers this.My first guess would be a bug in the TCP stack.(windows platform)This ...

Dear all I have a problem with SPAN that I have configured on a cisco stack swithces WS-C3750G-24TS-S the stach consisis of 3 switches the we configured a LOCAL SPAN MONITORRING session:Switch(config)# monitor session 2 source interface gigabitethern...

I work for a small company (about 210 - 215 employees), and we're in the process of a couple of projects which go hand-and-hand together.The first project is building a new data center. We are not a Cisco shop, predominately D-Link. With the new data...

I am looking for an USB to RJ45 adapter instead of using the Cisco RS232 to RJ45 adpter. the laptop I am using no longer has the RS232 adapter. Any ideas where to get one and why Cisco does not start to supply these with new units now.