Switching

By mistake flash got erased on 2950G Switch. How to load the flash again on the switch.

Hello.We have Cisco 2851 (c2800nm-adventerprisek9_ivs-mz.124-15.T4).Periodically the nat rule:ip nat inside source static ip1 ip2missing from config.Why this happens?

I have downgraded my Cisco 3640 IOS to a lower version. Now the router is unable to detect the 32MB flash that is installed. The "show version" command does not display the flash memory (2 x 16MB). If I try to use "show flash:" an error message appea...

Hi, I am in the process of setting up a Cisco 857 (12.4(15)T5), when trying to start the firewall via SDM or SDM Express I get the following error:"class-map type inspect match-any sdm-cls-insp-trafficError detected at this command. Click OK"Then the...

Hi all,I'm experiencing issue with one 6500 Layer 2 CatOs.When display "Sh vlan" command, I see a strange port behaviour. Look at the attachment....unbelievable...did anyone know what is the possible cause of this strange behaviour?Thanx in advance f...

There is a SNMP MIB named PW-STD-MIB, PW-ENET-STD-MIB for 12.4T release but I am unable to locate the MIB in the MIB locator nor I am unable to download the MIB.Can anyone provide me a link from I can download this MIBThank You

Hi guys,I'm not too sure but I have a 48-port Catalyst 3550 Series switch and I need to know if this switch is a Layer 3 switch?When I do a sh ver, one of the things it says is "Running Layer2/3 Switching Image"thanks in advance

I was getting ready to put my 851w on ebay to sell, but I wanted to clear all the configs off of it, but I got a little carried away and did a 'erase flash' as well as 'write erase'. now I get the No bootable image file: flash:/Unable to open boot fi...

Hi,I wanna clarify few things on the voice vlan;1) I am going to use 1000+ phones on my new work and my current configuration is;interface GigabitEthernet0/1 description PHONE D104 switchport trunk encapsulation dot1q switchport trunk native vlan 4 ...

Hi all,Can someone explain me what is chasisbased switches are???????????

Hi,We have been facing a problem with one of our remote sites for a couple of days now. Some users at the remote site were complaining of slow application response. My colleague and my self (we are at the main site) were checking the 3 switches there...

I upgraded a couple of 3550's to the latest 12.2(44)SE2 IP Services code recently and noticed IPV6 commands were available. I thought they might be visible but not accepted however they are accepted and when it is globally enabled (ipv6 unicast-rout...