Switching

Hello everybody,I have a strange and very annoying problem on a switch 3750-48TS with IOS 12.2(40)SE.On each port I have :switchport mode accessswitchport port-securityswitchport port-security mac-address xx..But on one port which was in use before, ...

Hi Bit off topic.I'm getting a unusual spanning-tree behaviour between a Cisco 3560 and a ALU 6850 switch.I have rapid spanning tree set up on the ALU and Rapid-pvst on the Cisco. A few vlan's configured across a dot1q trunk.The ALU is set with the l...

can i have a option to track interface in cisco 6509.the scenario is i have 2 links coming from my distribution switch towards this particular switch and 1 uplink isgoing towards the internet.when the downlinks from the distribution are down (line pr...

Hello, I came across the following problem. I am trying to activate Auto QoS Voip Cisco-Phone on all ports of a WS-X6148A-45AF and WS-X6148A-GE-45AF modules. After setting the command for this I receive a very strange messages, a repeative :cos-...

I never heard anyone having a problem mixing cat 5e and cat 6 with the scenario below, but I experienced it today troubleshooting a network.Diagram 1:Server<-Cat 5e-><-Switch-><-Cat 6->ServerSettings: auto/autoNegotiated: 1000/full-duplexErrors/Packe...

Hi, I have a 2960 24TC-S catalyst switch with current lan lite software which only supports 64 vlans. I have to install it to a company which needs at least 255 vlans. Is it possible for this model to be upgraded to an IOS with more vlans lik...

I need to upgrade the power supplies in a 6509 chassis from 3000 watt to 6000 watt units. With my power redundancy set to redundant can I do this with out taking down the chassis?

Dear Colleagues,I am currently encountering an issue which does not seem to make sense to me and hence checking if anyone of you have come across the same or can provide further input on how to proceed...Setup :1. Radius Server - Cisco ACS 1113...

Is there any kind of LC patch cable that comes with this device? Do any come with a Catalyst 3560G switch

Hi,It may sound very basic. But most of Engineers in my surrounding unable to clarify this. I tried in real switches also but not able to find the reasonTrunk and access VLANs in the same PortINT FA 0/0 SWITCH MODE TRUNK SWITCH ACCESS VLAN 100 SWI...

I need to add a switch to a network port to allow for around 10 connections. I thought I needed to make the port a trunk port (switchport mode trunk) and to add dot1q encapsulation is this correct?Any help with the correct commands would be very hel...

I want to replace the following:access-list 101 permit tcp host 192.168.50.100 eq www anyaccess-list 101 permit tcp host 192.168.50.100 eq 443 anyI figured I could just create a service group and create the ACL.conf tobject-group service WebServicest...

We have a 3550 working as our main router. Our network is going to be extended to another building where we'll have a 4506. My question is, only one device should be working as router and the other as a switch ? or can I have both working as routers ...