Switching

Hi!I'm Min-ho in korea and I have a question about convergence time.I have designed the network(see the below image) and each node operates multicast server(source) & client.I think that multicast routing protocol is used in this configuration like P...

One of my access switches wont allow me to set the policy on it's user interfacessa-us-oak-001(config)#int gi 3/1               sa-us-oak-001(config-if)#service-policy input voipThe policy voip cannot be attached to the interface Gi3/1 since it has '...

Hi all,I got a 3845 router which is running IPSec and QoS by service-policy which classifies all incoming traffic by IP precedence values. If I have a new requirement to handle the traffic of dscp 34(assume I have marked those interesting traffic at ...

HelloI have received several c2950 that have had their IOS removed and I can not get it back onto it. I have tried copy xmodem: flash: and the ios and that did not work. and I have tried tftp but for some reason that would not push the IOS onto it. I...

Hello,We have a stack of six 3750 switches.  Periodically, the switch stack logs a message indicating that the stack port on one side or the other of the stacking cable or on both sides simultaneously, goes down, then one second later comes up:Oct 10...

Could anyone help me to configure the VSS between 2 cisco 6500 switcehs.Thanks

I have a 6509 with many VLANs and a seperate DHCP server to provide addresses.  I need to create an additional VLAN (VLAN 20) and I would like to use the 6509 as the DHCP Server for the new VLAN. I know to set up:ip dhcp excluded-address 20.20.20.1 2...

Hi Forums,i am new on the CISCO IOS.. I am configuring my cisco 1841 with hwic-1t serial port but i have problems with nat for my LAN.The router "pings" all IP addresses but all LAN doesn't navigate. Where is my mistake ?interface Loopback0 descripti...

I added an image of a table present in the "CCNP Official Guide" by David Hucaby.Is it possible that the author reports so many fields with wrong lenghts?For example, protocol(16) or ICMP type(4).Or have I lost some concepts?

One of my main routers is getting a bunch of buffer misses, resulting in packet drops.  I have pasted output below:Genoa-C3845-Rtr#  sh buffBuffer elements:     1117 in free list (1119 max allowed)     445357378 hits, 0 misses, 619 createdPublic buff...

Hi,I have a Cisco 3560 layer 3 switch where I have 5 VLAN's. I have edge switches placed for each vlan for connecting the computers/laptops. A DHCP server in one of the vlan servs a dynamic IP if a user connects a laptop/computer to one of the port i...

How do I tell which Catalyst 4506 chassis I have, I need to upgrade it, and only have remote access. show version etc., doesn't show whether it is an E type or not.