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Hello i configured DHCP in cisco 870, but after short period of time i lose the configuration of the DHCP only, all other configurations is stable, this happen without restarting or doing any network change, the router runs ios 12.4.ip cefno ip dhcp ...

w.alalami by Level 1
  • 1787 Views
  • 13 replies
  • 5 Helpful votes

hi all,i'm doing a policy on a 2911 rouer to filter MAC address and apply it on the LAN port.i didn't see the "permit" keyword and did a "no drop" instead on the policy-map.appreciate if anyone could advise if this is correct and will accomplish my o...

Hello everyone, I'm trying to make an excercise and I bumped into an annoying problem. My port labels aren't displaying fully and I'm asking myself how I can fix this and if I can see on what port a cable is connected in packet tracer without the sho...

Regarding the cisco nexus 93180YC-Fx switch the data sheet or user manual claims that it supports 1g/10g/25g. But it is not supporting 1g. The ethernet port by default shows that the media type is 10g. I use an intel sfp. Is that the problem or the s...

Hello,we are looking to replace our old Procurve 3548 and 5406 switches with new C9200L-24T-4X-E switches. I am totally confused when I figure out the product specification about the SFP-10GB-SR MMF device. We still have an old MM fibre with OM2 cabl...

I just want to understand more on issue with 3850 U rebooting every 10 minutes, part of the stack - 2. Switch is eth port configured that is connected to another stack of 3850s Replaced switch but before that I spent 2-3 hours troubleshooting with se...

Andyz by Level 1
  • 434 Views
  • 0 replies
  • 0 Helpful votes

I have 4 Ubuntu servers that need to communicate with each other via multicast.  3 of VM's using Hyper V that and the 4th is a separate physical box.  The 3 VM's see each other and not the physical box.  The physical server sees none.  All of them ar...

ddirks by Level 1
  • 1348 Views
  • 5 replies
  • 0 Helpful votes

looking for some information regarding multicast for the essential vs advantage. The commands are present on essential(PIM bidir) but is at a limited capacity? I know essential is l2 and advantage is 2 and 3. Is there anything to show what it can and...

Jascns by Level 1
  • 8845 Views
  • 1 replies
  • 0 Helpful votes

Hello, we have Cisco Switch IE-3200 that was connected to Cisco 3550 switch .In period about every 7 days there is a problem on port on Cisco 3550 switch ,where is connected IE-3200, UDLD disable port, port goes to err-disable state:UDLD disabled int...

ibrkic001 by Level 1
  • 1054 Views
  • 3 replies
  • 0 Helpful votes
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