Ask Me Anything Event Welcome to the Cisco Community Ask Me Anything conversation. Submit your questions from Monday, November 4, 2024 through Friday, November 15, 2024. Our colleagues Rohit Chopra, Vaibhav Aggarwal, Anuraag Majumdar, Saquib Zeya...
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Hi, I'm new here. I am trying to replace a catalyst 2960 switch with a catalyst 9200 series switch. Is it possible for me to pull the configs on the catalyst 2960 switch and put it into the new catalyst 9200 switch? Thank you in advance for the help...
Question for the Cisco Community hive mind: Can the Management interface on the Catalyst 9K carry VTP?For bonus: Can it carry PTP/IEEE1588?I'm down the rabbit hole on a topology re-design (where a 3rd party firewall will separate groups switches), an...
We are experiencing a large number of output discards between two C3850 stacks (sw version 16.12.05b).They are both (collapsed)core switches in two different datacenters connected by a 10G LR single-mode fiber. It’s a layer 2 connection. Almost all o...
I have a Nexus 7K and I have a need to connect it layer 2 to a 3850. I have only 1 vlan that needs to be set up to communicate from servers attached to the 3850 to servers that live in our UCS environment that live off of the 7K's. just looking to se...
Hi, I'm looking for an explanation for the following command + part of the output :- show platform hardware fed switch active fwd-asic drops exceptions Specifically around the PKT_DROP_COUNT - this is incrementing continually and need to know if its ...
i keep trying to fix it and I'm not sure where the problem is.
Resolved! C3750 - VSS question
When using the redundancy force-switchover command in the case of the vss failover command of equipment C4500, how can I apply the same command of equipment 3750?
I have a pair of C9500 switches running IOS-XE 16.12.04. The output of the "show switch" command shows"Mac persistency wait time: Indefinite". However, when I search the config for the "stack-mac persistent timer 0" command, I do not see it. My un...
Hi Gurus, In my data center environment, we have deployed MST with a particular domain name A. However this site is already going to be vacate and we in progress of deployed another network environment in another DC using Nexus switch with MST as wel...
Hello everybody!I am experiencing an unusual behavior in our network. Unfortunetely I have no idea what could cause this problem. We are using Dyamic ARP Inspection on most of our VLANs. Since 7 days there are several clients (on different sites) whi...
I am a bit confused between setting a specific switch to be the root using the root-primary command or setting the same switch to have a priority of 0. which command has a stronger effect (root-primary or setting the priority to 0). If a new switch i...
Resolved! Vlan in Err-Disabled State
Hello Everyone, I ran into an issue recently. I am creating some new vlans on Nexus switches ( I have limited expeerinece with NXOs) and after I trunked all the vlans I noticed the new vlans I created were in an err-disabled on trunk ( See Attachemt...
Hello,I have setup a Cisco WS-C2960L-24PS-LL with a few vlans and DHCP snooping.The topology is as follows : PC --gi0/1--> switch --port-channel Po1--> firewall The DHCP server is the firewall.Existing Vlans : 10, 11, 12, 13, 14, 15DHCP snooping is e...
Hi all,we have our remote office. The router is having IPsec tunnel to our main head office. All the traffic from the remote office is forwarded through the tunnel to head office router. The head office router is getting internet services from ISP Ou...
Hello All, I have been trying to set up PortChannel(using 2 ports) to ESXi vSwitch from Cisco Catalyst 3560G-48T and the connectivity is not coming up if I set up the Portchannel in Access mode. If I shut either of any interface I can reach. No probl...
