Switching

Hello,Our switches use the default PVSTP and due to the rapid convergence time I'm considering RSTP or even PVRSTP.  I was wondering you use guys in the field normally use and are happy with, why wouldn't I use RSTP?Due to all root ports being re-cal...

Hello.I need to restrict traffic on port-channel's subinterface to 1200Mbs. I have created a port-channel and subinterfaces on it. Then i have set a policy. I used this documentationhttp://www.cisco.com/en/US/docs/ios-xml/ios/qos_mqc/configuration/xe...

Hi All,I am looking to implement VSS using our two 6500 series switches. The "Recovery Actions" when there is a Dual-Active situation says that the active chassis that detects a dual-active condition shuts down all of its non-VSL interfaces (except i...

Hi,          after a power outage our standby VSS switch has not recovered. The switch keeps cycling through its initialization and then powers off all modules.Has anyone had this same result and/or do you know what has occured and how to troubleshoo...

Hi,why LAN is more efficent than WAN

Hello,I have created a new VLAN and want to enable DHCP snooping to stop someone putting a DHCP device onthe network (has happened before).  I read that I must put ports connected to hosts into trusted port mode, so what happens when a user takes his...

I am aware that private-vlans are not supported on edge switches like 2960 series - so my question is would it be possibel to ceate private vlans on say just the core switch which would be a 3570 or 4506 that supports private vlans and then just trun...

How do I determine the interface associated with a Phyport, e.g., %C4K_HWPORTMAN-4-BLOCKEDTXQUEUE: Blocked transmit queue HwTxQId2 on Switch Phyport 68, count=4899.

hii try to configure DNS on cisco 800 , it's worked , but after 24 hours the command ip domain-lookup change to disable, and it stop worki'm not understanding why it's happen , that's the configurationip domain name XXXXXX.CC.CCip host XXX-RR-FF.com ...

Hello All,I am new to cisco networking (I just passed my A+ test and am working on my Network + test with an end goal to finish with a CCNP) and I bought a Cisco 2620 XM and a 1605R to figure out how to setup and practice on.   In my house we have Ve...

%PM-4-ERR_DISABLE: loopback error detected on Fa0/14, putting Fa0/14 in err-disable state, what is best reason in ME-3400-24TS-A.

Hi,I'm configuring a Cisco 2600 (IOS 12.4) router with 3 ethernet ports:- LAN Port- WAN 1 port (First ISP)- WAN 2 port (Second ISP)I need:- Fault-tolerant/ Load balancing WAN connection with the two ISP connection using NAT from LAN- access from TCP/...

Hi!We have 2 router cisco 2621XM and want to configure a VPN between them, but first we want to configure ADSL in both with the card installed.Does anybody has steps to configure it? or any link to see information?Thanks!!