Switching

Hi All,I have a client with Line of sight laser link between 2 buildings. The laser devices connects to 4500 switch at each location. Will it be OK to enable UDLD on the switch ports. The switch ports are set for L3 (no switch port) with ip address a...

Hi all,Anybody can help me to select a proper Cisco Core-Switch?Some of the needed specifications are below:1- At least 08 Gbit Ethernet - RG45 copper connector2- At least 12 fiber gigabit module bases3- At least 12 Gigabit Ethernet Fiber ports (Popu...

Hello everyone,I am having an issue using the Gigabit ports Gig1/3, 1/4, 2/3 and 2/4 on a Catalyst 4507R - I get an error message:% WARNING: Interface GigabitEthernet1/3 is usable/operational only in gigabit% uplink configuration.Our software version...

I currently have ST fiber connectors which I would like to patch into a Cisco 2960 switch with a GLC-SX-MM= SFP mini-GBIC. Can I use an ST/LC patch with a spec of 650nm? The mini-GBIC states 850nm. Any known issues?

Hi all, Im having an headache at the moment with one of my sites, they use think clients that connect via citrix to my head office, the issue is we get users who keep getting kicked out, say 3 to four at once, but its not all people on site. I have c...

I'm sure I'm missing something very basic, but I can't figure out how to get debugging messages to display to a monitor (i.e., ssh) session on a 3750. If I connect directly to the console I get the messages as expected. I've set the logging level f...

hi all, when setting up qos in my network, I set up untrusted ports for my phones, then apply qos to it, between switches I gather I create a trusted port, my question is, on the trusted port, will it honour any tags that come through, ie vlan 128 ha...

Hi,This switch is using the CATOS for layer 2 and IOS for Layer 3, So currently the CATOS is running well but the Layer 3 in the ROMMON, pls refer to below:rommon 1 > boot sup-slot0:c6msfc-dsv-mz.121-27b.E1.binan alternate boot helper program is not ...

Hi,I have a network with GSR and 7600s as ABR and 10720s as internal routers. All are connected using SRP rings.I could see frequent OSPF txretransmit traps on the NMS whenever there is an LSA update. As the network is less than 20% utilized I could ...

Hello,I've a tricky issue on a very simple configuration, maybe you can turn my light on it :I've got this :(VLAN 1 is the default vlan)Router 6xxx ===TRUNK===gi0/1 SWITCH L2 fa0/3---VLAN100---- F0/2/0 HWIC 2811On the 6xxx :int vlan 100ip address 192...

Port 1-7 have access points connected to them Port 8 is connected to a cable modem used for guest wirelessPort GI0/1 is connected to another cisco switch and is used for internal secure wirelessThe vlan's are not working correctlyAttached is the swit...

Hi all, can anyone tell me what unregistered frames are ?