Switching

If I'm upgrading dual redundant power supplies in a Catalyst 4507 from 1000W (data) to 1400W (data), can it be done without taking the switch through a power cycle? I'm guessing no as I read that the switch will not recognize a 1400W PSU in bay 2 if ...

when i connect two cisco 2960 series switchs via stright trough cable causes delay in transmission sw1 has vlans and having trunk port connected to router all vlans are able to access internet sw2 is connected to vlan5 on switch1 sw2 has factory defa...

Is there a way to prioritise traffic on a per vlan basis on a lately 2 trunk?Sent from Cisco Technical Support iPhone App

Hello While choosing a Hardware for Internet facing Device, should we choose Switch or a Router?  If we are running  BGP ro peer with ISP, are their any Pros and Cons for choosing a Switch to a Router? thanks

Experts, Is some packet loss on a campus network natural or should a network see no packet loss at all if properly configured? I'm asking because I performed a file transfer (900 Mb) from one host to another on the same switch (3750X), same VLAN with...

I have 2 switches C4506-E with SUP7-E, does anybody knows when Cisco will support the VSS functionality? I Have read that VSS will be supported in these switches and it be available Q32012, but Cisco has not confirmed when.Any idea could be useful.Th...

Hi I have a couple of these chassis in a lab and am trying now to reset them prior to puttin them in production. The are sup-7-E's and running IOS-XE 3.3.0.SG code. I have dual Sup's in each chassis.I am trying to get rid of the config and all the vl...

                   I have a 3845 router with a 45-meg DS3 (NM-1T3/E3 module).  The DS3 connects into a MPLS cloud.  There are encrypted IPSEC tunnels configured in the 3845 that go to various DMVPN hubs via nhrp.  My customer has 2 active LAN ports o...

Hi all,recently i just connected a non cisco ip phone(from panasonic) to Cisco 2960 POE switch at site A. The PABX system is located at site BSite A and site B are connected using MetroE Point to point.I would like to apply QoS for voice vlan. I want...

I need some ACL help with Proxy product.  I am using a 1841 ISR and need to configure all proxy traffic to go through Proxy server and not bypass if user unchecks proxy in IE. The Proxy software says this in manual:You can configure your firewall to ...

Hi there,We are having some slow network performance issues when some open any document from network drive.I tried it on my pc with wire shark and whenever I do feet slow, opening files I get there messages in wire sharkServer                my pcPc ...

Hi,I'm having an issue allowing VLan 2 access on interaface Gi0/15. I've configured interface Gi0/15 with (switchport access vlan 2) on a 2960G-E Access switch. I've also configured the Access switch Trunk interface (Gi0/45) using switchport trunk al...