Switching

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We have three 6509's basically connected in a chain. The first two 6509's share the responsibility of being the root bridges for all the VLAN's. The first two also run HSRP. Switch 1 is primary root for odd numbered VLAN's and secondary for even's...

h.bradley by Level 1
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What do you need power wise if you are intending to supply POE via a 4507R ?Do you need POE capable psu's and POE capable ethernet line cards ?Or if you had a normal psu already installed could you just purchase a POE capable ethernet line card ?Than...

Hi,I have 2 x 3750's connected to each other via an etherchannel. I'm planning on installing a 3rd 3750 into the stack, but removing the etherchannel, and connecting the 3 with the stackwise cables.I am presuming this should be fairly straight-forwar...

andymh by Level 1
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Hi,I have just added a new stack of 2 3750 Switches to my network. See the attached diagram (SW2) is the new switch stack.When I had finished adding the configuration to CatOs on the 6509 (Hybrid Mode) I starting getting the following syslog every (...

I got new Cisco 3560 switch with latest IOS. I have configured it with default settings i.e. vty access, enable secret password and vlan 1 ip address, and vtp setting. It is able to get all VLAN details from VTP server. And everything is working fine...

Sureshdank by Level 1
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I have encountered these two Log messages and the Giga port on the Switch blocked asif it had port security. The port is directly connected to the Core Lan Switch. Nov 22 08:41:13: %SPANTREE-2-LOOPGUARD_BLOCK: Loop guard blocking port GigabitEthernet...

Hi,I would like to know when I need use MSTP and not PVST+.It depends on vlan numbers, but for how many Vlan is suggested use MSTP?! Or how many switches?!ThanksBest RegardsCS

csiracusa by Level 1
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