Switching

Hi Group I am still confused about how RSTP is implemented. From what i understand the major difference is that STPused Timers for Loop prevention whereas RSTP coordinates between neighbors via messages (proposal/aggreement) to turn on links more qu...

Silly question here. I have a 3750G with routed switchport and an IP address of 10.1.1.149/16. This connects to a flat network via fiber on VLAN 1 with a 10.X.X.X subnet. From my switch, I can ping their firewall at 10.1.1.2 and exchange server at...

Hi all, can anyone help.If I have a layer 3 gigabit switch and 1 port is constantly transmitting at say 900meg a second, will it affect the performance of the switch in a whole? ie other users plugged into it?

Hi allI am getting the below error2009-02-04 11:44:29 Local1.Critical %SPANTREE-2-BPDUGUARD_SHUTDOWN: Portfastguard shutting down port FastEthernet0/4 VLAN 1.2009-02-04 11:44:44 Local1.Critical %SPANTREE-2-BPDUGUARD_SHUTDOWN: Portfastguard shutting...

Hi,I'm trying to understand the reasons for seeing LINEPROTO-5-UPDOWN which I believe is a change in the data link layer? As seems to be the case for others, the down and up action only take a few seconds and occur at random instances.I'm seeing thes...

Hi need solution where I can assign output service-policy with CBWFQ/LLQ on to a Ethernet-Subinterface (dot1q-encapsulated)Its definitifely not supported on2800,3800,7200Does anybody know if it is supported on one of the following platforms/interface...

Hi,Please see attached diagram with setup.Links between core and access layer switches, SwitchA and SwitchB, are configured in Port-channel, Here is the interfaces config:SwitchA interface GigabitEthernet1/0/49 switchport trunk encapsulation dot1q sw...

Hi all,I am having lot of output packet drops. I just want to know what kind of traffic it is dropping and what is causing it. For your information the interface f1/30 is connected to a 3rd party QOS box. I have tried all the troubleshooting steps, c...

Hi all. if I have 1 pc on the 10.112.0.0/16 network and the other on the 10.112.1/24 network, will they be able to see each other, I would have thought that they would, but the pcon the /24 net would only see things on the same range, then it would s...

Hi. I just wish to ask given the scenario where you have two 4507 switches with two ethernet connections for redundancy, with rstp running, would both links be active and exchange packets or would only one physical connection be active? If only one ...

Hi,I would like to know what the normal configuratino regsiter value for catos is and how to set it to that value.thanksMayamba

Hi..I am using 2940 swithc (8-Port). My question is -by which command/procedure, i can check a swich will support how many vlans?

hey all, any know when a 16-port POE 10/100 switch will be available? only an 8 or 24 port is available. an 8 is not enough and a 24 port is too much for a small office. there is a 16-port one but it is not poe. thanks, robert.