Switching

Can I use community attribute for loop preventing? If yes, please, explain how?

Hi We are deploying OSPF and OSPFv3 (for IPv6) in our WAN the next months. OSPF routing is pretty new to us, and we are currently we are in "lab-mode". On our datacenter, we use nexus 7009, configured with VRFs. I have some questions regarding this: ...

I'm having problems pinging across VLAN's on my stacked switches. Any help would be appreciated. !version 12.2no service padservice timestamps debug uptimeservice timestamps log datetime localtimeservice password-encryptionservice sequence-numbers!!...

Hey all! I read some topics but didn't really find an answer. Why do I get output errors on almost all interfaces of all my 3850? I get no input errors, CRC errors, etc. Only output errors. And there aren't any problems. Cabeling is brand new. Is tha...

Hello Community, Can you suggest switch models as per below requirement: 1. 12 port with 10G each port with 40G uplink Single Mode fiber - Access switch 2. 24 port with 10G each port with 40G uplink Single Mode fiber - Access switch 3. 48 port with ...

Hello, can someone please explain the difference between IP multicast and 'multicast' counters in the output of the 'show interface' command below ? 30 second output rate 990000 bits/sec, 354 packets/sec 1304746780 packets input, 493036831857 bytes, ...

We recently implemented some SG300s in our environment and with that introduced vlans to to segregate our voice and data traffic.vlan 169 for data. vlan 179 for voiceThe technician changed the default vlan from 1 to 1000 and made the pvid on all port...

Do we use the command only for situation where the 2 switches that are trunking each other is set to 'active' for their lacp configuration? I know a switch can be made a decision maker by making the other passive. So do we use the system-priority com...

We have just changed our network infrastructure. We have one specific vlan for servers. Servers can't learn the DG mac. The Windows servers can ping other servers on the same vlan but they can't ping the DG ip address.

Hi All, I have ASA5510 in transparent mode with just one BVI interface connected to 2960 switches via an access port.  SW1           SW2    |                  | ASA1 ------ ASA2    |                  |  SW3           SW4 Now I'm going to add two m...

Hi, we want to install the WS-C2960CX-8PC-L switches via Smartinstall. Our Vstack Director is a WS-C3750X-24S-S switch. Our old switches are WS-C2960C-8PC-L and they are installed via Smartinstall at the same  Vstack Director. Now, we need switches w...