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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 Sir,For multicast within a VLAN, do we need to unable the multicast routing in 3560 with the below command?ip multicast-routingUser told me the Oracle heartbeat of two severs of the same VLAN need to communicate in multicast.Thanks

Hi every bodyI have few questions;Let say we have three routers,r1,r2 and r3. All these routers are connected with with each other by frame relay . They are fully meshed as well.Usually frame relay encapsulation is configured under physical interface...

sarahr202 by Level 5
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Hi,I had a switchport shut down today due to an unexpected bpdu - and I have bpduguard enabled. Turns out it was a 7940 phone on that port...do the 7940's send bpdu's or would someone have to have plugged something into the switchport on the phone f...

hi,I have the following topology.A router (3750) connected with 2 ports :1 port to another routerthe second port to a L1 device that aggregate frames from many ports.Now i need to operate teh router as a switch L2 toward that device in order to make...

We have several different VLANs running on the same Catalyst 4500 switch. Our DHCP/DNS servers reside on one of these VLANs, and client PCs reside on a different VLAN. If we point our client PCs to the DHCP/DNS servers on the other VLAN, do we have t...

Plan to redesign the attach visio network and using the SRND "High Availability Campus Network Design-Routed Access Layer using EIGRP or OSPF" as a reference. All equipment will be in one location which is our datacenter so no IDF/MDF. Will also plan...

aamercado by Level 4
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  • 15 replies
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For purely academic purposes, I'm trying to get an idea of how the 802.1D, 802.1Q, and Cisco spanning tree protocols have evolved over time. I've been digging through web sites and looking at the 802.1 committee's pages.The question I'm stuck on is w...

Resolved! SUP720 B

Hi,Just wanted to know what slots does SUP720 normally placed in a 6500 seriesI have seen it normally in slot 5 (is this the specific slot used for SUP 730)does it also go in slot 1Please provide detail on this.regards

Hi There I have a Problem with my c888 with 3g. My Problem is:Card Holder Verification (CHV1) = DisabledSIM Status = MEP lockedSIM User Operation Required = Enter MEP codeNumber of Retries remaining = 255I have no Idea where i get this MEP Code. My C...

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