I'm trying to enter the configure mode from the console port but I'm getting unrecognized command when using the "Configure" command from the # enable mode. If this command doesn't work then how can I configure REP or IGMP? The web UI doesn't seem t...
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Forum Posts
This the Activity Given By CCNA But My professor wants we should do this from scratch How can i build this activity from scratch I made Topology as shown in Activity information And also apply vlan configuration but what will be the next step ?Please...
Resolved! What the difference between Mac-address in the same subnet vs a mac address in another subnet.
hello im having trouble getting the concept on how mac address works.For example Say i have two switches and 2 computers connected at each end of the both switches and both switches connected by each other interface. here is the part that gets me why...
Hi,I've got cisco nexus 6001.When I issue show spanning-tree detail command I can see many of the interesting information. # show spanning-tree detail MST0000 is executing the mstp compatible Spanning Tree protocol Bridge Identifier has priorit...
Hi guys, I have brand new 2960x stack switch and I enabled PVST STP mode but when I make show spanning tree it gaves me No spanning tree instance exists. What is the problem Cisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.2(2...
Hello guys, I am new to cisco and learning CCNA. I am using a Cisco Packet Tracer and trying to find a solution to my own made question. On a single layer 2 switch, I have created two VLANs. I know in order for these two VLANs to communicate to each...
What exactly does the "Bytes dropped in asic" number displayed mean when you stop a capture? See below. I created a capture to source from a vlan, circular buffer, 50 meg size. I've tried various combos and it still happens on all - capturing from a ...
Hi, I have a requirement to setup IGMP multicast mode on Nexus 9k switches to support Microsoft NLB.I have gone through the article https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/9-x/multicast/configuration/guide/b_Cisco_Nexu...
Hi, Struggeling a bit with Azure Expressroute direct and QinQ - we have a cat9k facing Azure, and we need qinq for more circuits over a single connection - however, i cant quite see how i can get a SVI to be wrapped in a s-tag? So say we have vlan 2 ...
Hello!!Maybe a stupid qustion but I have a question regarding the fan sound on C9300-48P/24P switches. If i run the switches with only 1 powersupply the sound from the fans are very loud, how ever as soon as i connect power to powersupply 2 the fan...
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Hi Guys, I have a strange issue with several WS-3850-24XS switches. Recently we have upgraded 14 WS-3850-24XS switches from version 16.3.7 to 16.6.7. After the upgrade of the switches we noticed on 5 out of 14 devices that several interfaces (between...
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