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Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...

Dear Experts,    In 2960x (or above) is it possible to configure port security in such a way that   only 1 dynamic mac address should be allowed to learn after the first mac address is learned, any subsequent mac address that try to connect to the s...

Existing n/w topology                             WAN                    Watch guard firewall                                                 Server switch D LINK                 D LINK Access Switch -LAN - WIFI                          Servers   Pro...

it7119 by Level 1
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Hola necesito colaboracion con el siguiente inconveniente que estoy presentando al configurar un switch CIsco Catalyst Capa 3 C3750-48TS-S   realice la creacion de 5 vlans: Vlan2, Vlan3, Vlan4, Vlan10, Vlan11 configuré el VTP, switch 3750 en modo ser...

Hello all,   I'm having trouble understanding some core concepts of OSPF.  Hoping someone can shed some light.  Please see attached.    In the RED box:  OSPF multiple area concept states OSPF areas should be limited to routers being in the same subne...

joel75941 by Level 1
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Lagging viewing on live CCTV footage of PC connected to 2960x (access switch) with 20Gbps uplink going to 4500x (core switch)But when the PC is directly connected to 4500x (core switch) the viewing is OK, no lag.We are using Milestone in viewing the ...

Hello everyone,   I've an ISR 4331 ios 3.17.2S and i need the SNMP mib's for that version. the version doesn't appear in the mib locater the latest version in the mib locater is 3.16.X   can someone assist    thanks in adv'

davidmo by Level 1
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Our ASA is currently logging the below messages non stop, hundreds a second. This is our voice vlan.   Built inbound ICMP connection for faddr 172.20.9.62/0 gaddr 172.16.9.168/0 laddr 172.16.9.168/0 Teardown ICMP connection for faddr 172.20.9.62/0 ga...

We are trying to raise the key size of the RSA key of a Nexus 5548 switch, but get the following error: myswitch# conf t Enter configuration commands, one per line. End with CNTL/Z. myswitch(config)# ssh key rsa 2048 force deleting old rsa key.......

Hello Everyone,   I am using Catalyst 4503 Chassis with WS-X4748-RJ45-E(10/100/1000 Linecard). In bottom of linecard, I could see a red light.   Does anyone know what the red light means?   Thank you.

KakaoTalk_20171122_153718792.jpg
kshong by Level 1
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the problem is i was give over 1200 ports from around 600 switches, in one excel, they only give me 2 hour to finish providing vlan and port duplex status, is there any script we can develop to fast the process? i try hpna query, but since they are f...

Mary by Level 1
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