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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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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 ...

Hi every body! If a host is configured to obtain ipv6 address from dhcp server, will it use link local address to request the ipv6 address, dns ip, default gateway address from dhco server?My book shows: FD00::/8 unique local address FE80::/10 lin...

sarahr202 by Level 5
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Hi.I wanted to boot a cisco 7206VXR router on IOS c7200-is-mz.124-18e.bin.However the router keep booting on the older IOS c7200-is-mz.122-15.B.bin.The configuration/status before I reload:1. Configuration register is 0x21022. gw-btvoice-sto2#sh run ...

Hi NetPro,i would like to know about the configuration for the port-channel. for instance, Sw1 ----------> Sw2.now then i going to bundle up 2 switches with 200MB. Question: from Sw1 create port-channel and assign to particular point as channel-group...

ney25 by Level 2
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If I require an IPS Image for a 3750 stack, do i need to purchase all of the switches with IPS, or can I purchase the "base" with an IPS image and the rest with an IPB Image?I know they all have to match for the stack to form correctly, but from a li...

Hi All, Can someone confirm if the modular ios is more stable than regular ios? Im using this Modular IOS in a 6509E and im getting high CPU,it shows on show process cpu that the ios-based is consuming more of the cpu process. regrds,reymon

Mhon Baul by Level 1
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