Switching

Greetings.We have a 2811 in a remote location which connects to our core network using IPSEC tunnels over the Internet.We have NTP configured pointing to four different servers. The servers are reachable from the router through the IPSEC tunnels no p...

I seem to be getting multi-cast and uni-cast traffic floods to my customers. All have a public static IP address and need a way to limit it. I've been told that I can do this with the 2950 or 3550 but only with the enhanced image. Can someon set m...

hi I just order a 2511 router and got good price on it, now there is an other 2501 and 2514 and I do not know If I need them, the price is right, this is for building ccna and ccnp lab. I will be very thankfulll if you give me your opinion. Thanks

Greetings all! Soon we are going to get 2 new 3750-48PS switches in and I have never dealt with Cisco switches. I'm pretty well-versed with home networks but never anything business class.Here's the basic design:Our company has two sites located ab...

what is the difference between a 'dynamic' and 'static' MAC address when using "show mac-address-table".

Hello All,One of our 6509 switch was generating "icmpv6 multicast listener broadcast". I dont have any multicast or ipv6 configured on the device. The sup engine was choking during this trouble. I had to reboot the device to contain it.Any one of ...

very simple.many many vlans route properly out the default gateway to the internet.I have a few vlans that I want to direct out a different nat'ed vlan to a dsl isp. They need to be totally isolated from the rest of the internal network. there is n...

Hi,Is this possible?I can on CatOS but the magic CatOS>IOS converter web page does not help.The current threshold setting is,sh queueing interface GigabitEthernet 9/1 | b Queueing Mode In Rx direction? Queueing Mode In Rx direction: mode-cos Re...

I have 2 vlans on a 2960 switch. I also have the encapsulation on the 2851 router. I am able to ping the other WAN site from the router but not the 2960 switch even if I source the pings from a vlan. Does anybody know why this is happening?

We have the 6148-GE-TX cards in our 6513 and a recent conversation with a Cisco tech made me learn that these cards are oversubscription linecards. Buffers are shared among 8 ports and it is recommended to spread high end servers out and try to keep...

hi guys, i was trying 802.1x authentication on 2950 switch, i had acs 3.3 configured properly, i was using win xp on the pc i need to be authenticated, all goes well and pc is prompted for username, password, domain name, i want to know wat i have to...

Hi ,I have basic question in terms of applying qos policy.when implementing qos policy we have to take one way or it bidirectional traffic flow ,if it is bidirectional we have to apply"service-policy out" on the both incoming and outgoing interface o...