Switching

Hi, I am trying to understand PVLAN Behaviour when there is a trunk link between switches. I have read the cisco document linked below but still have a few Qs.http://www.cisco.com/en/US/docs/switches/lan/catalyst4500/12.2/54sg/configuration/guide/pvl...

I have a 3560 configured with a vlan 60, there are 2 ports in the vlanthe vlan is assgined a public IP and first port is wired to router which goes to internet.I have a desktop connected to the second port.There are other vlans as well in the same sw...

We are having some issues with vPC load-balancing on our Nexus 5000 switches. The vPC consists of 1 interface on each 5000, but we are only seeing traffic sourced from nexus on one of the interfacesReturn traffic from our blade switches are utilizing...

Does anybody happen to know if CatOs allows to have individual user-id's? I have found that capability under IOS, but not CatOS.Thanks.

Hi AllI am looking to replace some older 2600 routers. These devices will have T3/E3 cards and T1/E1 cards.I want to insert these cards into the new devices. Will these cards still be compatible with the new devices?ThanksJ

Hello,        i am preparing a proof of concept for a customer who wanted to implement IPv6 network.I want to use DHCPv6 with OSPFv3 and have 4 routers.R1--R2--R3--R4I want to configure R1 as DHCPv6 server and all others with autoconfig (stateless DH...

hello,         although I am connecting by using to the cisco vpn client and obtaining an ip address 192.168.1.x I am still unable to access machines on the remote network and ping replies are replied back from the wan address of the 1721 router. I w...

i'm pretty sure that the system supports jumbo frame but cannot get it to work.we need all ports including the vsl links to pass jumbo framesdo we just add the global command --> system jumbomtu 9000does it also require a reboot of the switches?thank...

Hello,We're using 3750 and 3550 switches with 802.1X for authenticating devices to our network and I'd like to know how many times people try to connect unauthorised devices to the network.Ideally, I'd like the switch to send a SysLog message to our ...

I guess the subject says it all. We just installed two new 6509s with VSS running and on the second switch (standby), there are no MAC addresses. There are servers plugged into the 2nd switch and some of those are a single NIC. So, why on those ports...