Switching

Preamble: I'm studying for CCNA, but I'm jumping ahead a little to get my home internet coming in through a Cisco router. I understand the basic ideas but obviously not enough...My current setupI have a /29 subnet through ADSL, with a noname modem/ro...

Hello everyone,I've noticed that 12.2.44-SE6 is listed as the latest available IOS for any Catalyst 3550 except 24 DC SMI (12.2.55-SE8 available for that one).  Does this mean that nothing after 12.2.44-SE6 won't work properly (or at all) on most C35...

Hello,   I have the following network :----------------------------------------------------------My ISP provided my with the following data :IP : 205.164.28.14Netmask : 255.255.255.128Gateway : 205.164.28.1--------------------------------------------...

Hi,I'm trying to upgrade a pair of 5010 running version 4.1(3)N2(1a) to at minimum 4.2(1)N1(1) to get VTP support. (also tryed 4.2(1)N2(1a) )But after uploading the image (both kickstart and system) I ran a "show install all impact" and gets the foll...

Hello!I have Cisco ASR1004 as ISG-server. There are some messages in the log, that I can’t understand:Jul 19 15:46:00.413 KRSK: %CMCC-3-PLIM_STATUS: SIP0: cmcc:  A PLIM driver informational error txnpSideCheck, block 1e count 95Jul 19 15:46:10.413 KR...

Hello everyone,I have a design for my infrastructure and i'm thinking to choose 4 or 5, or more, 2960 series  in a stack mode instead of one 4500 series?Please can someone tell me what design is better and why?Thank you for your advise.

Hi,I have 5 * HP 1810g v2 trunking to 3750. Two of the HP switches have devices with no connectivity, specifically 2 xp machines and 2 DVR systems. Other devices connected to these switches are functional. I see the mac address of the devices in the ...

what is the routing loops and when it is happened ? ,,,

Hi everyone,I am faced with a hardware dilemma and maybe someone could help me. Recently, some older Cisco 24-port switches (3560V2) have been relocated to our department. The problem is that these are DC switches... Is there any possibility to chang...