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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...

I am not a Cisco admin but, I need your help to find the MAC address of all 16ports on my cisco 2921 Router. I tried some commands but I did not succeed. Please help! Thanks! Michel

Hi there. I'm hoping I can schedule the POE of some ports to switch on/off at certain times of day.Can anyone recommend a 16-port switch with this capability?many thanks

rplimer by Level 1
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Hi...trying to figure out why there would be the need to configure router on a stick using a L3 switch (meaning, the L3 switch is acting as the router), instead of just creating routed SVIs and enabling dot1Q trunking on the port and being done with ...

visitor68 by Level 5
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Hello, Please help with the scenario, ethernet t1/1/3 is up and line protocol is down. Here is the configuration below SW1#sh int t1/1/3TenGigabitEthernet1/1/3 is up, line protocol is down (notconnect) Hardware is Ten Gigabit Ethernet, address is 9...

Hi all , I'm reseaching about GRE and IPSEC . But i'm wondering that what is the different between GRE over IPSEC & ISEC VPN??? I'm really confused about them. Can someone explain for me??? Thank for help :D

petpkcui1 by Level 1
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Router : C891F (1 Gigabit L3 port and 8 switch ports) It's probably easy but I don't know what's wrong. To put you in context, I configured a router out of the main LAN and everything worked except that 1 computer was stuck with an APIPA address whi...

Kekun by Level 1
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After our air-conditioning system fails, our CISCO Catalyst WS-C6500-E makes a restart. Now the firmware image "S72033-ipservicesk9_wan-mz.122-33.SXH.bin" are corrupt. Sorry, but we have no service contract for this Machine. Please let me know, where...

scenario - 5 routers full mesh - all share the same cost "bandwidth" running OSPF.  is it normal to see a traceroute from 3 to 7  as per below doing loadbalancing? 3     6    5 4     7 1 172.16.34.4 20 msec 172.16.35.5 12 msec 172.16.36.6 16 msec 2...

Resolved! Cisco VSS

Hi All, I have one query regarding the virtual switching system, I have port channel running between the switches for the VSL, but have not configured Dual active detection. Query :- Is it really recommended to have the Dual active configured when ...

harishc12 by Level 1
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It is not recommended to span vlans across the core in typical campus setup. How do you guys in practice do this for exceptions? Just create svi on core for for example mgmt vlan? Now have a setup where all svis are defined on core, but there are l2 ...

Hello , I am seeing high cpu process utilization by multicast process. Any one has idea if it is some bug ? #show processes cpu sorted CPU utilization for five seconds: 69%/41%; one minute: 69%; five minutes: 68% PID Runtime(ms) Invoked u...