Switching

I have a 3750G switch and a Cisco ACS unit, and I am trying to configure the switch (or specifically one port on one vlan) to be an authenticator for 802.1x, and provide a DHCP address (either native or from an external server).I attempted to do this...

I'm having a problem doing NAT translations between Vlans. I have a nat inside vlan with a private segment and a nat outside vlan with a public ip address. The problem I'm having is that at times the CPU of the switch peaks to 100%. I think it's a li...

I have a questionCan someone tell me if the fiber ports on the 2950.

Hi all,I have a problem with a router cisco 837 on my work. That is the configuration:1 DSL Wan Interface named ATM0.1 with the external ip Ex: 80.36.25.24 and NAT outside, and the ethernet interface with internal ip ex: 172.26.0.254 and NAT inside.T...

According to Cisco's design documentation for the Data Center, the oversubscription ratio at the server access layer should be as close to 1:1 as possible -- maybe 2 or 3:1.Now, to achieve that kind of low ovsersubscription ratio for, say, a 6509 tha...

If I bundle 3 gigabit links into a Layer 3 etherchannel, will ospf notice the bandwidth of 3Gbps when it calculates the ospf cost? or does it use 1 Gbp?

We are replacing a 2811 router that is doing only internal routing with a 4506E and Sup V. I am trying to match the router config but I cannot create sub-interfaces. Is this possible with the 4506?

I need to restrict the LAN to only access HTTP, HTTPS and DNS. All other access to the internet should be deny. I need help creating access-lists to restrict access. Int fas0 is LAN and int fas4 is the WAN. Any help will be appreciated.Thanks,Osman

Hi,I have a Cisco 3750G stack with 2 members, both WS-C3750G-24TS-E. IOS in use is 12.2(40)SE.When trying to "copy run start" or "wr mem" I get the following errors:3750STACK#copy run startDestination filename [startup-config]?Building configuration...

Sorry if you already read this in WAN...I install networks for SMBs and we have just got to the end of the Draytek 2800. (it's no longer strong or stable enough for our VoIP and WLAN customers)I have bought a 877W to trial for possible installation a...

Is it possible (& how, feature available?) to provide with auto-negotiation in a 10/100/1000-TX switching port environment a limitation to a-100 (FE) speed.Reason: We want to provide auto negotiation, but avoid the possibility that a client workplace...

We are using Cisco Unity Connection version: 1.2(1) SR2. We have 700 perm licenses, user count of 650. When trying to add a new mailbox a 'License Violation' error occurs. The math is easy, why are we not able to utilise the 50 spare licenses?CheersB...

I have a CSS11501 with two VLANs. The problem is that the two VLANs are connected to 2 different F/W interfaces that connect them to the Internet. I need to have 2 default routes (One for each subnet) each depending on the source traffic "i.e.:each s...

I have 5 Cisco 870 in my branch offices.Can I use a Cisco ASA 5505 as a VPN concentrator and the cisco 870 as a vpn client?

Hi, I have a 3560G switch for the private lan segmentation. at the moment i access it throug a telnet session but i would like to disable this and enable ssh access, any clues on how to do it?