Hi everyone! As I understood, " loopguard" is a proprietary Cisco feature and it seems to me that it has an important role in running STP. So ... I have two questions: 1- Does anyone know the equivalent of the loopgaurd feature in IEEE 802.1D stand...
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So, just like it says in the title, I'm having a hard time with the software. I have a lab to do for college using this software and I'm stuck at the step where it tells me to "configure static NAT on Router1 to give server a Public IP". Basically...
Should I use stackwise-virtual dual-active-detection and stackwise-virtual link on the same interface ? or better of on different interface ? Thanks
Hi,We have s 6506-E that needed to be powered down due to a maintenance.After it booted up, we noticed that the configuration "switchport mode trunk" disappeared from the configuration under one of the port channels (including its member interfaces) ...
Hi all,i have a media Server in one Vlan now i want to access it from other Vlans as well. for DLNA i configure Multicast and PIM Spare mode with rp address on Cisco 4500x L3 switch and enable IGMP snooping on all my Layer 2 switches but still not ab...
Resolved! catalyst 9407 ports problem
Dears,We have cisco catalyst 9407 and we inserted only 4 linecards oo it.some ports on the module 6 (line card 4) doesn't work with ip phone (the phone doesn't register) no problem in power.When i change the phone from these ports to another port on ...
Resolved! Noob vlan/switch question
Greetings! Say you are setting up a switch and vlans for a small business, and you want a vlan for data- .30, and a vlan for AV equipment- .40. How would you setup the switchports when folks will move around, and AV equipment will move? It's my und...
Here is my scenario..I have a site with a VTP server stack and several VTP client stacks trunked to it with a half dozen vlans in the VTP domain with a password used. We are building another new site and it will use the same VTP domain with the same...
In my environment we recently installed some Dell 4148-on core switches, they will be running OSPF however the routers and ASA's are running BGP and EGRP. What do I have to look out for and is there any configuration on the routers and ASA's I may n...
How can i get mac address of devices instead of client-id ? CORE#sh ip dhcp binding Bindings from all pools not associated with VRF:IP address Client-ID/ Lease expiration Type State Interface ...
I am trying to replace a failing Cisco C3750 switch with a Meraki MS250. I have about 14 VLANs. The problem I have discovered is that the Meraki switch does not support RIP so interVLAN routing is failing. I have two stacks of C3750s as well as three...
I'm having a problem setting up an example redundant L2 configuration. For reference I'm testing this in VIRL. What is happening is that the spanning tree is not properly blocking the spanning tree ports to prevent a loop. I've tried enabling the ...
Is the 2960-X a full L3 switch like intervlan routing, qos, etc, or does it have basic L3 functionality? I found the data sheet, but I can't find anything about intervlan routing. Would it be better to go to a 3750?Thanks!John
Resolved! NX9K Extended VLANs
Hello, I have been trying to configure some extended VLANs on a Nexus9000 93180YC-EX but with no luck. I need to create these two vlans 4089 and 4091, which are system reserved VLANs. We do have 2 NX5Ks where these VLANs were defied and are in pro...
Hello ! I have a problem of my network, when i change PVST to PVRST, the addresses of the switches are removed after 3sc. I learned that when RSTP detects au topolgy change, It flushes the MAC addresses associated with all these ports. Ok but i do...
