Switching

Hello AllI tried to upgrade my 4948 but I did not realized that system kept the corrupted fileIn rommon File size Checksum File name -------------------------------------------------- 13040273 bytes (0xc6fa91) 0x610a023a ...

Hi ,On my switch i see that the cpu utilization is high , it is because of broadcast storm and port utilization.Any idea how to take care of that.

I have a number of Cisco 2950s with the standard IOS image as follows:C2950 EI AND SI IOS IMAGE c2950-i6q4l2-mz.121-22.EA4.bin I am looking at implementing snmp logging possibly using snmpv3. The docs says that the cryptographic software image is n...

Hi all, when I have a router with an arp entry for a device, firstly how does the router leran this, does the router need to arp for it itself? or does it learn it as traffic flows through it?also if I plug one device in with an ip address, then move...

I tried using an ME3400 switch to do GRE tunneling and it crippled the device. I need a box that can forward at 2G rates as well as handle GRE tunnels

When I do a 'show mac-address-table' entry on Cat 6500 I see duplicate entries for the given mac. Could you please explain why is a Port-Channel Po1 also returned since the given mac is directly connected to the switch. SWTICH#sh mac-address-table | ...

Hi,I have just created some switchport vlans to segment my user, server etc....Please what do I need to do for my user vlan to communicate with my server vlan?Thanks all

Hi,I use Cisco 857 routers for internet access. I want to use logging to keep a record of when the internet connection is active, so that if there is a problem when I am not around, I can look back through the log, and identify whether the internet c...

What can be done if someone put a cable between 2 ports on a switch and cause a switch to be down. Yes, we can disable the port but is there an another way to block the loop ? switchport port-security could be useful ? Or maybe the switchport protec...

I'm reading about all kinds of chaos in the global economy at this time resulting from the mortgages mess. I think the only way to bring some order to this chaos is by applying computing technologies in an evolutionary and progressive manner.It is im...

I am having one cisco 3662 router. while i give sh ip arp command in the router it shows same MAC address for different IPs. Is there any problem with the network?please help me out......

How can I assign a single switchport (ie on a Catalyst series switch) on multiple VLAN's. The purpose is to share resources, like servers or printers.

Greetings,I have a Catalyst 3550 with 5 vlans configured. They appear ok........"Show VLAN" result is attachment 1However, although the vlans appear in "show vlan", they do not appear in "show IP route".Show IP Route result is attachment 3I attempte...