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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...

Hi sirs,I would like to ask about HSRP.Is it possible to have a log that indicates an IP address conflict even with HSRP configured?Kindly see sample logs:003180: Aug  1 12:42:02.952 PH: %TAGCON-3-DUP_ADDR_RCVD: Duplicate Address 10.66.1.241 advertis...

I have designed GLBP with vPC configured in a pair of N7K switches. But in Cisco documentation, the best practice configuration uses HSRP in vPC environment. Customer doesn't feel comfortable with GLBP since Cisco's best practice using HSRP. Is th...

Hello,I've been asked to configure a trunk between 2 3560's.  I've done many trunks using fast ethernet ports but never using fiber modules.  The modules are in and the fiber conencted, do I have to do anything different?Thanks

Hi,I have two Cisco Catalyst 3750-48-TS-E stacked for 2 years. Today, it started showing this logs.... %SW_MATM-4-MACFLAP_NOTIF: Host 0000.0000.fe00 in vlan 120 is flapping between port Fa2/0/20 and port Fa1/0/20 %SW_MATM-4-MACFLAP_NOTIF: Host 0000.0...

Danilo Dy by VIP Alumni
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I'm watching the CBT nuggets and Jeremy is stating that if you use the following scenario...access-list 3 permit 192.168.1.0 0.0.0.255 route-map NAME deny 10match ip address 3... the route map will deny whatever ACL 3 permits. This makes sense.Howeve...

Hi All Experts, Need your help! Can someone please advise how many C3KX-SM-10G sevice modules one would generally require in a stack of 4*3750x switches at access to; 1). Collect reasonably good or acceptable level of netflow stats for traffic belong...

                   Ciao,we are going to replace an old 6513 (CatOs + MSFC) and we found that there is a configuration for the Microsoft NLB:arp 172.27.124.13 03bf.ac1b.7c0d ARPA on Nexus we replaced it with  int vlan 2ip arp 172.27.124.13 03bf.ac1b.7...

Hello - I am trying to configure EIGRP on my ASA DMZ Interface - topology as follows:Inside                        DMZ3560x ------ ASA ------- 3560xe0/1                          e0/3.501The ASA is currently configured for EIGRP with the inside 3560x ...

I am having an issue connecting two buildings. I have thoroughly tested the two switches and the SFP's to know that they work properly. My cabling vendor insists that his fiber pull, couplers, jumpers and tips are all perfect. We are at a stand still...

burgessf by Level 1
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  • 10 replies
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Hi, I have a SR520W-ADSL-K9, I´m trying to setup it trough CCA, but I have some troubles.At the internet connection I mark PPoE option, enter the vci=0, vpi=35, the username, the password (like the ISP TELMEX suggest), and mark the IP Negotiated opti...

Resolved! WIC-2t vs ethernet

Hello, if you had a small network with a few routers in a building, would you connect them with ethernet rather than serial (like a WIC-2t interface).Is the serial method of interconnecting routers (e.g WIC-2t) an old method that has been superceded ...

fran19422 by Level 1
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  • 3 replies
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hii ,i have the topology below :R1>192.168.1.1<=====>accesspoint A <172.16.1.1>   <<<<wireless link >>>>>>    accesspoint  B <172.16.1.2> <=========>192.168.1.2 <R2hint : the acces points ips are only for management .as you see above ,in the same lin...

Dr.X by Level 2
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  • 5 replies
  • 0 Helpful votes

Hello everybody.Got a stack with 2 members on iOS 15: Switch Ports Model              SW Version            SW Image------ ----- -----              ----------            ----------*    1 54    WS-C3750X-48P      15.0(1)SE3            C3750E-UNIVERSAL...