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Ask Me Anything Event   Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from  Monday, November 4, 2024 through Friday, November 15, 2024. Our colleagues Rohit Chopra, Vaibhav Aggarwal, Anuraag Majumdar, Saquib Zeya...

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Resolved! weird 3750 stack ,

our client have a c3750-stack by using the stack-wise cable,, there is 6 c3750 stack as 1 switch. we enable the port-security in all the ports for user. the problem is the port random erri-diabled by the mac-address. this mac-address actully learn fr...

I got a problem here, the HQ and the branch connected by the mpls which is belongs to bell. Now ,the branch can not reach the serer in the HQ. I check the branch , the router is ok, But can not ping the server . but when I ping the branch from our c...

Hi guys, I will try my best to be as clear as possible.I'm junior Network Admin and just start to work in this small company.Currently i have one ISP, 100mbps symetric link:Internet > ISP1 > ISP SWiTCH > CISCOPiX1 AND CiSCOPiX2Each CiscoPix is also c...

Resolved! CEF-related terms

Hi,Can somebody explain to me the differences/similarities between these terms?:L3 Engine, L3 Forwarding Engine, Control Plane, Forwarding Plane, Fast Switching

What does the command "negotiation auto" do on a interface as opposed to "speed auto / duplex auto " . It seems you can have both on a interface . Can't find a reference when doing a search .

glen.grant by VIP Alumni
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Hi all,Id like to discuss topology of LAN.Presently we have circle topology and we want to change it to star with one centralhub switch and other access (spoke) switches. My question is if Cisco WS-C3560G-24TS-E, or WS-C3750G-24T-E as hub switch is e...

johnleeee by Level 1
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We are in the stages of implementing VLANS and notice some problems.1. Unable to access ASA through ASDM and unable to access SonicWall device once moved workstation to a different VLAN2. Some application take 20 to 30 seconds longer to open and once...

keyyo0200 by Level 1
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Hi networkers,Does anybody have used that book? I think there's a typo in the "Configuration example: InterVLAN Communication" exercice, page 48.If you take a look at it, L2Switch2 has 4 VLANs in the 172.16.x.0/24 network. But the workstations have I...

Hi AllI have network 148.172.0.0/16 in Singapore. I have two links India to Singapore and India-Sydney. We are receiving 172.16.0.0/16 in India as external type-2 routes fron Sydney and Singapore since it is getting reditributed in Singapore and Sydn...

Hello, we plan to use DAI on our data center infrastracture, as well as other security features.In the feature description, arp inspection blocks Gratuitous ARP packets to prevend man-in-the-middle attacks.But I supposed that when a cluster composed ...

cineca by Level 1
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Hi,I have a network with routers and switches, all from cisco and everytime that i need to monitor something from my desk (in another subnet), i have to either physically access that equipment or create vlans to access that equipment. We are re-organ...

Hi~Chassis is composed of below module. Chassis = C4510RSlot1. WS-X4516Slot2. WS-X4516Slot3. WS-X4148-RJ-45Slot4. WS-X4148-RJ-45Slot5. WS-X4148-RJ-45Slot6. WS-X4148-RJ-45Slot7. WS-X4148-RJ-45Slot8. WS-X4148-RJ-45Slot9. WS-X4148-RJ-45Slot10.WS-X4148-R...

석광원 by Level 1
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Hi,Crash occured many times & always for the same reasonIt sounds like CSCsr94207 but I have removed all ntp-server lines from configBug Details Bug #7 of 20 | < Previous | Next >Bus error crash in NTPSymptoms: The following bus error crash occur...

falain by Level 1
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  • 5 replies
  • 0 Helpful votes

My network covers central and several branch offices. All connections to regional offices and internet is through MPLS. Thus some of the private addresses comunication are passed through isp router and together with comunication to internet it goes ...

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