Switching

Hi  I know OSPF operation, I have done configuration many time. I would like to know what is hierarchical network design in OSPF, 1. why do need that ?  2.How to design that ? 3. If not have hierarchical design what happens? Please answer.

Hey all! I've just started with networking and was wondering how you know if the device you are working on is a router or a switch. Do you show version and look up the model number on google? I have had some confusion because I know there are some L...

I am confused a little with the way access lists work when applied to multicast traffic. In different documents the examples for configuring multicast boundary (and the range of group addresses advertised by RPs) are showing at least two ways of appl...

Hi friend,I have an issue in ssh in 3750 switch. I get the following error message while login.*Mar  8 02:20:03.972: %SSH-5-SSH2_SESSION: SSH2 Session request from 192.168.16.10 (tty = 0) using crypto cipher 'aes256-cbc', hmac 'hmac-sha1' Succeeded*M...

Hi all, I am experiencing an issue with backup shceduling on my cisco devices. Here is my configuration script :  conf t ip ftp username loginftpip ftp password passwordftp kron policy-list Backupcli write memory kron occurrence Backup at 23:00 rec...

Can some tell me the calculation that states that the total number of vlans is 4096? I used to remember now but forgot it now

Hi guys! i have a test router to work with.i used the command "no login local" and now he asks me again username and password!(password and username were set before!) but they dont work!? i know my password and username but still access denied to ro...

Hi How many maximum number Switches are allowed in an RSTP environment in terms of Ring, Mesh topology? What happens if anyone plugs in more switches than that number? is there any official Cisco/IEEE documentation on this issue? Thank you all 

Hi Team, I'm new on this and i need to configure a etherface on a NK7 and i get the following error do i need to force the interface. 2(config-if)# switchport mode trunk2(config-if)# switchport trunk native vlan 102(config-if)# udld aggressive2(conf...

Hi, I have 2 x 200 series Smart switches creating a network that is distributed out from them. They are running from UPS power and are connected by a single run back to a PC. Both switches connect to local 5 port switches that are on a different powe...

Dear,I am getting the below minor error in show module cmd.Switch Number: 2 Role: Virtual Switch Standby---------------------- -----------------------------Mod Ports Card Type Model Serial No.--- ----...

Hi guys, I've got Prime Infrastructure 3.0.2 installed and I'm trying to get Plug and Play (PnP) working with CNS on PI. - The switches we tend to deploy are 2960X, 3560-C/CX and I have got our Windows DHCP server configured with Option 150 to point...