Switching

Hi all,I tested in the lab the aggressive UDLD on copper interfaces on Catalyst 3560 . To test unidirectional link on copper interfaces I didn't connect them directly, as suggested in this forum .I implemented instead a daisy-chain through two differ...

I'm looking for a switch with the following characteristics:- 40+ copper gig ports- 2+ X2 ports- Dual power suppliesI've looked at the 2350, which has everything I need except the dual power supplies. I do not need layer 3.Any suggestions?

we swapped out all of our modules in our 4507 with PoE modules and now our snmp monitor doesn't detect any of the ports. we are using solarwinds ip monitor. anyone ever run into this issue? i removed the switch and added it back into ip monitor.

WOuld need advise on the attached logs from a connection , obtained by tcpdump on a firewall. 46.56.76.34 is the global ip of ours which is been NAT on the device. the private ip for this hosts a website, which is inaccessible.202.94.66.21 is the int...

I have a 4510R-E with a Sup engine 6E, running cat4500e-entservicesk9-mz-122-53.SG, and can't seem to get the NAT configured. Every time time I type in ip nat inside on an interface, or try and set up the nat pool, it comes back with an unrecognized...

Router that will connect switches in two different buildings. I have a problem with the VTP configuration revision number. How I can make this number to change it?

Hello,Does anyone know if there is a stand-alone way on a Cisco router to prompt a user for a password when trying to get Internet access? There would be no other authentication method or devices other than having to enter a password. If thre was a...

Hinot done subnetting for a while, as a quick reminder, say I have 10.1.0.0/20I know this means I have 10.1.0.0 to 10.1.15.0 networks, all the possible subnets are 4096, what would be thre start and end addresses of these subnets ? as I cannot find 4...

Can I configure 2 IP addresses from the same subnet on two dirrefent interfaces on same box.When I do that I get overlaps with Fa0/0 error.I need to assign one IP to cisco 1841 ( connecting to router) , 2nd IP to 1841's fa0/0 and 3rd IP to sonicwall....

I have created a DHCP pool on our 4500 switch. I only want our VLAN 6 to use the pool, and no other vlans.How do I configure so that only VLAN 6 gets the addresses?

Hello,I configured two 6509s per the configuration guide and they work as expected until I reload the switch. Upon reload both switches come up as active/active instead of active/standby. At the moment I only have the sup blades installed. Also the p...

Hi,I have a question about DHCP snooping. I want to enable this feature on two 6509 Catalyst switches that are doing Layer 3 Etherchannel towards the DHCP server and relaying DHCP requests by using the ip helper-address command. Here's the topology: ...

Hi All,The printed label with MAC-address does not compare with MAC-address used at DHCP call. With 2950 does it always compare. Why is it so?Regards Mats