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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 all,can sombody of you explain what those error messages means? i am getting those error messages2013 Jul  8 14:38:36 n7k-p-ntr010 %L2MCAST-SLOT3-2-L2MCAST_MAC_FULL_LC: Failed to insert entry in MAC table for FE 7 swidx 19 (0x13) with err (mac tab...

i have an ISP which give me 100 mb.connecting my RV082 to DMZ,WAN2.at the modem i'm getting 78 to 85 mb.but when i connect to one of my ports i'm only see 54 mb max.any suggestions on how to get max output on any of my 8 10/100 mb ports?             ...

auldherb1 by Level 1
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Hey, I want to configure DHCP snooping on some new 3850s we just deployed.  1: If I enable DHCP snooping, and enable it on the VLANs on the switch, this will make all interfaces untrusted, correct?2: If I want clients to still get DHCP replies I must...

Hi,We are getting TCP out of error packets while sending requests to outside. Though we can access the internet and also connectivity is fine. But some of the application is not working due to this error, specially TCP based application as on the rem...

winpwnkmr by Level 1
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So I've ran across a STP issue that i'm having difficulty explaining the behavior. The problem is that I don't have a cable matrix but based on the show output, there's a clear L2 loop that STP isn't catching for some reason. Basically i have two swi...

nsti_0682 by Level 1
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We have 3560G(IP Base 15.0.2.SE4) as core and 2960's on access.We enable DHCP snooping on all switches with uplinks on 2960's and links to DHCP servers on 3560 configured as "trusted". All worked fine.Then we enabled link aggregation(two gigs between...

Hi all, I'm new to cisco and I have a basic problem: I have a 4506 switch and a new 2960G that I want to integrate to my network.I configured the interface (the one that is linked to the 2960G) of my 4506 switch, as follow :switchport mode trunk ecap...

Does anyone know or tested latency from port to port on a Nexus FEX? We are seeing some weird/strange results to MTU above 1500. Everything has been configured for jumbo (9216). The FEX is a N2K-C2232PP-10GE and its attached to a Nexus9000 C9396PX 1/...

lee.smart by Level 1
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I recently started having problems with users losing connection on both wired and wireless, there connections show limited access and when I check their IP addresses they have the 169.x.x address.  Tried release and renew, does nothing, seems to be v...

brownrl by Level 4
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