Switching

hi allI am using cisco 2511 to telnet to other devices.the problem is after one or two hours, I loss the connection with the devices and I have to reload the Access Server, then it gets work.this is the running config of the Access Server (cisco 2511...

Hi,I cannot connect make any PPP connection to a Cisco 2600 Aux port with Windows 7 or Vista. Is there anybody who would know how to establish a PPP connection to an aux port using Linux PPPD.Here is my 2600 configuration:username cisco password cisc...

I have a Cisco Catalyst 4507R+E  (with Sup7-E) and two blades; one WS-X4748-RJ45V+E and one WS-X4648-RJ45-E.When I connect a device to a port on the WS-X4748-RJ45V+E blade the port will not come up, show interface shows the status as "notconnect". Wh...

HI,I have 2 x 3650 stack switch using as core switch and 42 x 2960 switch using as user lan. I got the problem about the EhterChannel. Since the 3650 can support 48 etherchannel, but 2960S only support 6 etherchannel. 3650:SW101#sh int port-channel ?...

Below is the current portchannel that I am having problems with.  The interfaces on Switch A keep going into an error disabled state because they receive their own loopback.  Cisco says to disable keepalives and that it will fix the problem, but I do...

Hi everyone, The white paper about sup2t System Architecture http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps708/white_paper_c11-652042.html#wp9000594 says:By default, packets are passed through without a change in DSCP, EXP, or CoS ...

I have a Cisco 1841 that I can ping internet address from, but when I try to ping from my laptop, it fails.  I can ping the router fine, just not yahoo.com.  Traceroute works fine on the router, but fails on the laptop.  Any ideas?Building configurat...

Hi Team                     I need to prepare the documents  for Coreswitch,Aggregation switch and Server Farm Switches in our network.. So i need what are the things must to do in these switches to securing the switches from the external attacks.. B...

How i can calculate the backplane speed & throughput of cisco 48 1G 2960S switch?

"show ip traffic" output command shown an increment of "not a gateway" counter.do you know why?!what does it mean?!Thanks!!!!3560na-TEST#sh ip traIP statistics: Rcvd: 13585264 total, 794744 local destination 0 format errors, 0 checksum erro...

Hello,I am upgrading from older IOS based switches running 12.2 to 4500X. Following are the commands which I am experiencing some problems with:Exception protocol ftpException dump 199.52.43.39IOS version on the 4500X is 3.4.2 and it seems, aforement...