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Dear All,Hi, I have to Cisco WS-4506 acting as Core in my production network. There are multiple L2 vlans and SVIs created on both of the switches with one switch acting as primary for one VLAN and other acting as secondary for one VLAN (I am running...

Has anyone ever had this happened to a 4506 blade?May 18 03:40:19: %EC-5-UNBUNDLE: Interface GigabitEthernet1/1 left the port-channel Port-channel1May 18 03:40:19: %EC-5-UNBUNDLE: Interface GigabitEthernet1/2 left the port-channel Port-channel1May 18...

r.shell by Level 1
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  • 2 replies
  • 0 Helpful votes

I understand that Native VLAN which is 1 by default for Cisco, is where the packets are sent untagged. I know that Native VLAN can be changed to other than VLAN 1 for example VLAN 23 or something. But, what is the purpose of the Native VLAN in the f...

sidpatel4 by Level 1
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  • 1 replies
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i have 3560 switchwhen i do sh ver it showscisco WS-C3560-48PS (PowerPC405) processor (revision M0) with 118784K/12280K bytes of memory.Processor board ID CAT1033NH2ELast reset from power-on2 Virtual Ethernet interfaces??????????48 FastEthernet inter...

mahesh18 by Level 6
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  • 10 replies
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hi every body!I want to know can i block nativa vlan 1 by:switchport trunk encapsulation dot1qswitchport trunk allowed vlan except 1 or switchport trunk allowed vlan remove 1Using ISL:switchport trunk encapsulation islswitchport trunk allowed vlan ex...

sarahr202 by Level 5
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  • 4 replies
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HiI've got a problem where random users are plugging their voice and data ports on their Avaya phones straight into the switches, instead of connecting the data port to a PC. This I believe creates a layer 2 loop.My problem is how can I track this lo...

dan_track by Level 1
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  • 6 replies
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Just how far can i reliably transmit my E3 / T3 / DS3 circuit from my Cisco 10008?I see varying reports of 450 feet or 450 + 450 feet via a DSX frame?Is it possible to reach greater distance with lower loss co-ax?Is there a spec for such a co-ax?Rega...

decklin by Level 1
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  • 1 replies
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I have 3 C4000s with CATos and I need to replace them with 3 C4507R with IOS. I need the 3 new one to be set up just the same and I am have just been placed in this position without a whole lot of experiance with this equipment. I have been reading...

Hi,I am trying to configure some 3020 blade center interconnects for an HP blade center for the first time.I have placed 3 interfaces in a port channel on the interconnect and upstream switch. However the port-channel is down and down on both devices...

I'm fairly new to IP Multicast. I've been reading up on it and it is getting harder and harder to grasp. I have a Cisco 4506 running as my core switch. It is doing all my inter vlan routing. It is the only router on our LAN. I have about 30 other edg...

cowetacoit by Level 1
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  • 13 replies
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I am not sure if I understand this request clearly, or it can actually work.Router 1 in customer 1 network is in BGP AS 1 and Router 2 in customer 2 network in BGP AS 2. They want to peer Router 1 to Router 2, but they don't want them to be EBGP peer...

Hey guys,I would like to know somthing about vlan being administratively down.Do we able to access any devices associated with the admin down vlan?Please refer here:T001#sh run int vlan 301Building configuration...Current configuration : 97 bytes!int...