Switching

I am unable to start IP cef on a WAN edge router and receive the following errors in the log. I am entering the command "ip cef" in global config mode.Jun 12 19:28:59.379: %SYS-2-MALLOCFAIL: Memory allocation of 65536 bytes failed from 0x60052330, al...

Hey Guys, 3750x (2 in a stack - multiple SVI's, VLANs, ACLs) came shipped with 12.2(58) and had been put in production... Had several months without problems, however late last week there were a few trunks/portchannels added for new fit out floors, m...

We have an issue where switches are failing weekly in a switch closet.  In the past month we have gone through several 3750G switches and a couple 4510s.  The power supplies have eventually made a popping noise and had to be replaced.  on the 4510s w...

Can somebody explain a bit on how the extended ping sweep command works and how it works.So far, all I can figured out is that it will ping the target ip with gradually larger ping sizes..I'm also looking to see how the df-bit can help in determining...

Hello, can I make the stacking of these two switches WS-C3750E-48PD-SF and WS-C3750X-48PF-L. Both have universal IOS.Thanks for the help

I have cisco 1751 with 16 MB, now I want to upgrade it 32 MB Flash to use it for SIP. Can someone tell me the Part Number or ways to upgrade it.

I recently changed jobs and at the new location we are primarily running Catalyst 2960G series switches with the exception of one 3750. All of the switches are setup in a cluster with the 3750 being the cluster master. My question is what is the bene...

Dear All,Need suggestion and possibilities when CRC erros and input error generates. I have a cisco switch and one of it port generate CRC and input errors, this port is connected to call manager. Please hlp me out what are the possibilities of these...

    Hi all, I have  my hsp setup where switch A and switch B share active/standby roles among several vlans. In the last few weeks, i have seen trouble tickets where connectivity is lost and upon investigation i discover that i can ping physical inte...

I had previously posted about an issue with accessing an interface on our Exchange server. The discussion was posted here: https://supportforums.cisco.com/message/3954951#3954951I'm still having the issue. From my workstation, I cannot reach this int...

Hi all, Someone there an example to limit the bandwidth using the MAC address on 2960 ?I want to limit the bandwidth (IN / OUT) of a server only for Internet flows.Server1 MAC : 00-1F-F0-5D-5D-6CInterface WAN MAC : 00-50-56-C0-00-01Server1----[2960]-...

HelloI have 2 servers, one active, the other standby, both will be using the same IP. If the active fails then a re-patch for the standby to make this the active.I undersatnd that i will need to clear the arp & maybe mac address table on the 6500 for...

Hello, I have a two sites link with two radios links, I have two L3 links so when one looses EIGRP the other one works. The problem is that eigrp hello are sent every 5 seconds over ethernet so if the link fails for 15 seconds the routing protocol wi...