Switching

Hi all, I have a problem with mac-address flapping, when this problem occur, lan go down for few minutes.Catalyst 3560 is "Core" of this Lan,it is connected to 2 access switch and Stp in active on this switchesIn the same segment of Lan I have 5 WLC ...

Does VTP run on a switch by default or does it have to be enabled via config statements? Any links would be appreciated. Thanks

With regards to switch port settings, speed and duplex, for end devices - is best practive to set the speed and duplex or go with auto ?Thanks

Hi all,Well I am trying to configure ip slb feature on my 6500 series Switch. I have done following configuration on my switch.ip slb serverfarm TEST real 172.16.1.215 inservice ! real 172.16.1.237 inservice!ip slb vserver VERIFY_TEST virtual 172.1...

Hi,Can we discover two different devices through CDP on a same port? Please find the output below:CHBNBAN2_2950A#sh cdp neighbors Capability Codes: R - Router, T - Trans Bridge, B - Source Route Bridge S - Switch, H - Host, I - IGMP...

Hello Guys I need a Litle help, I have 3 days testing this and I Isolate a Problem which I dont understand.I ahve setup 2 Routers C2600 with IOS 12.4(8) also try 12.4(17) both with same problem!.Using SNAT FTP go slow as hell!Config is very simple:RO...

Hi all. All my office PCs are connected to a cisco asa5510 gateway at 192.168.1.254. Recently we bought over a new company and integrate their private lan with ours. For the initial stage we did not let them use the same private ip. They are using 19...

I have terminals that boot up from a disk and obtain IP from server via DHCP. Had 2950 switches and works a treat. Replaced switch with 3750 not in stack and cannot get this to work. IP address appears as incomplete in ARP on router momentarily.

Dear,I am getting the attached error message when copy the IOS image to the tftp or to the router from tftp.The router 2801 configured with vpn site to site.Thanksswami

Hi all!We had an external scan on our IP ranges and some of our network equipment got flagged for some security issues.Log from the scan:Port ntp (123/udp)NTP read variablesSynopsis :An NTP server is listening on the remote host.Description :An NTP (...

Hi,We currently have 1 6509 switch with two WS-SUP32-GE-3B modules working in Single Router Mode Redundancy. Can I get another switch with same configuration and run HSRP for better redundancy?What are my options when its comes to using the WS-SUP32-...

All,I have 5 3750 switches. Each one of these have the SFP module in ports 25-28. These are uplinked to other switches (over redundant). I'm going to be removing these this weekend, and I was wondering if there would be any drawback to me using these...

How many Cisco Aironet 1250 APs running 3x2 at 20mW under Cisco Enhanced PoE are supported on 3750E-48PD? Does it change with 3750E-48PD-F? How about X4648+E blade from 6500?Where can I find a power calculator for 3750E?I once had a customer buy 48 C...