Switching

So I currently have a basic 16 port switch.....I need to upgrade.  And I am looking at the catalyst 2960 48 port.....So my question is this WAY more than I need.My current config is this...internet........dslmodem.......cisco firewall.........basic 1...

We have a Cisco 800 router facing the Internet and the public IP is given dynamically from the ISP, so it's subject to change.We need to have acl's only to allow specific sites to access the 800 from the outside, but the problem we cannot lock down t...

Hello,I have a metro ethernet connection with 3 switches (Switches A, C, and E) at 3 different locations each with a single interface into the metro-e cloud and each interface configured as an 802.1q trunk.  Switch A is in VTP domain xxx-xxx and Swit...

Hello,anyone has ever tested this ? Does it work ?We are running VSS on 12.2(33)SXI1, but don't seem to get ERSPAN running. We have configured it on other standalone C6500...regards,Geert

Hi all,Currently I have a single collapsed core 6509 with dual Sup2/MSFC2 and I am working on migrating to a pair of Nexus 7010's and I am trying to figure out the best path to migrate all servers as well as all Layer 3 services over. Below are some ...

Can someone answer this question. How should the cabling of the sups be in this redunent call for ACtive/Passive setup. Also, can someone point me where i can fine some sample configs.

*note ; C520 is all webgui ( no CLI here )I have reset the configuration of the c520.After the configuration the vlan 100 was still there.I configure a vlan 2 name = Cisco-VoiceI want to configure my ports for voice and default vlan access. I have 2 ...

Hi everyone,I have been asked at work to buy a switch/router and set up a multicast system for the terminals around the building.What is happening is we are installing a large amount of new equipment and need to change how the network is set up. What...

I got this error recently when applying a child service policy (marking) to a parent policy class (marking)."stand-alone service-policy is not allowed in class" Config works fine on 12.4, 12.4T on 7200 and 3845, but on a 6504-E, SUP32, 12.2(33)SXF, i...

May I know if a Linksys router can set up IPSEC vpn with a Cisco 2800 router? Thanks in advance.

we configured private vlan on the access switch, which is CAT6509, and on the switch, there are some other normal vlan, the CAT6509 uplink connects to firewall, which is also default gateway for all the vlans. there link  between firewall and switch ...

Hi all.  If I implement DHCP snooping on a L2 switch (Catalyst 2950 for example), will this block an IPV6 DHCP server connected to a non-trusted port?