Switching

How does it work when you have multiple vlans configured on a switch, but only one "ip default-gateway " command? Which VLAN does this provide a default-gateway service to? (I think it's mabey the the management vlan)Is there a way to put a "ip defa...

I try to connect the Cisco 4000 via Ethernet to Catalyst 3750, the configuration in Cisco 4000 have ip address, media-type and no shut. The interface appears UP/DOWN, but in Catalyst 3750 the interface appears UP/UP. Don't have any traffic.

Hi all,Does the switch be able to tag any untagged traffic with VLAN ID (let say 500) and allow tagged traffic with VLAN ID (let say 600) in the same interface? if so, how?Also, I would like to know what is the defferent between Normal-Range and Exte...

I would just like to know what network cable coloring conventions do people use out there. I'm not talking about EIA/TIA wiring standards for RJ45 connectors, I am just talking about the color of the patch cables. I am setting up a network and I was ...

I can not for the live of me get the output of "debug ip sla monitor trace 1" or any debug for that matter to output to my ssh session. If I console to the router it all show up just fine. anybody have any tips for getting the debug to output to ss...

I'm seeing I/O drops and CRC errors across most of my connected interfaces on all seven WS-X6748-GE-TX modules in a 6509/Sup720.In looking at flowcontrol as a possible culprit, 'show interfaces flowcontrol' shows off/off for Receive Flowcontrol Admin...

We are deploying dhcp snooping and dynamic arp inspection, but need to know what the recommended DHCP lease duration should be to properly function with DHCP snooping. Understandably they are separate functions and will work at any setting, but what ...

I have a customer who had a frame relay circuit that we were doing frame relay traffic shaping on. The voice quality between the two sites worked fine. They currently switched to a frame-relay mpls system offered by Bellsouth.The voice quality is v...

I have a Cisco Catalyst 4507R with two Sup-Engine V-10GE.When I remove from the chassis the active SUP-Engine, the switchover works fine, but there is no syslog message on the LMS syslog.When I re-insert the module in the chassis, syslog messages app...

how can i filter the inter-vlan routing on a layer 3 switch? i want to route between all vlans except for the management vlan (preventing access vlan traffic from getting to the mgmt vlan and vice versa). is this just done with access lists? can som...

I have a bit of a weird problem with two of my CE 500 24 port switches. They are both PoE versions. One switch has 16 phones plugged into it and the other is not being used for phones, only computers and printers. Management VLAN is the same as the ...