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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...

Can anyone give me a definitive answer as to how I enable Jumbo frame support on a 4500x system?Ive enabled it on the VLAN interface and the physical interfaces dont have the command available in config mode. Thanks in advance. Iain

IAIN HILL by Level 1
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My company just purchased a Nexus 5548.  I've been fooling around with the configurations and just getting familiar with this equipment.  I've already configured a port channel using 2 10gig ports on our 3850 and its working fine. Now, I'm trying to ...

Hi,    I'm trying to connect WS-C2960X-48FPD-L with WS-C4500X-40X-ES via SFP-H10GB-ACU10M (Twinax cable). On 2960X I'm running  15.0(2)EX5 & on C4500X IOS XE 03.06.01.E, now where I use twinax cable on 2960X I get invalid gbic error and port gets err...

navin_rk3 by Level 1
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In the case where multiple sources are present for the same multicast group in a PIM-SM environment:1. Will the PIM DR choose one or multiple sources to send the PIM join during the SPT switch-over process ?2. If one source is chosen, how does the el...

Hello, Can someone tell me what is best protocol for MEC between two VSS. I have one VSS with catalyst 6k (Core) and 10 VSS (distribution) with 4500X.I think pagp is the best because he is Cisco proprietary, and he is most quick to detect failure tha...

Kevin SAS by Level 1
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Hi  I have tried IPv6 qos using class map in  Catalyst 3750 switches but the platform is not support. Can anyone configured the IPV6 qos in Cisco 3750-X switches. Does it support?  Cisco 3750 configpolicy-map up  class bwtest-up  police 2048000 12800...

viswa sai by Level 1
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I have two brand-new Catalyst 4500X switches running cat4500e-UNIVERSALK9-M. The switch has GLC-T 10Gbs copper SFPs in it. All the ports are set to "switchport" I am trying to crate a VSS pair, but I cannot bundle interfaces T2/7 & 8. I am getting er...

Hi, We were proposed with a new routing protocol from our support services. The routers are running EIGRP right now, and will be transferred over to BGP. Inorder for the BGP to work, our LAN switch which is a L3 Cisco Catalyst 4500 series needs to be...

STOSCRSW2#delete flash://image-1Delete flash://image-1? (Y/N)[N] YDelete operation is not permitted on file flash://image-1 i wanted to delete this firmware image to upload new one  and also second error is i am getting duplicate ip error STOSCRSW2#0...

harmesh88 by Level 1
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Hi I have two switchs (cat3750) and both them back to cat6500. one of our client, accidentally link one access port on one machine, and to another access port on another machine. the access port configuration is:interface FastEthernet1/0/2 descriptio...

julxu by Level 1
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I'm connecting two catalyst 3560 switches to each other using trunk port and I'm getting below logs on one of them. Any ideas ???18:43:38: %SW_MATM-4-MACFLAP_NOTIF: Host ac7b.a15b.3c2c in vlan 40 is flapping between port Fa0/1 and port Fa0/718:45:00:...

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