It's my first time configuring multicast on a switch. Do I need to configure both Layer 3 and Layer 2 for multicast on a single VLAN that is in DHCP? Should I enable IP multicast routing on Layer 3 and PIM sparse-mode on that VLAN? Also, do I need to...
Forum Posts
I'm looking to replace a pair of WS-C4500x-16 switches, possibly with a pair of C9500-16x switches. My question is, when configuring SVL on the new 9500 pair, could I use the two 10/100G interfaces for SVL configuration and then use one of the 1/10G...
I am trying to connect three servers with static IP addresses on the LAN Ports (0-3) of a C921. If I try to assign a static IP address to Port 0, it is refused with a message stating the an IP address cannot be assigned to a Layer 4 port. Is there a ...
Hello, I want to replace my Cisco WS-C3560-8PC-S 3560 8-PORT Poe Catalyst whith a newer one.What do you recomend, please?
I was working with two L2 WAN links, one with a speed of 1G and the other with 10G. These links are connected to my L2 switch using a trunk interface. Is it possible for me to configure these links as a bundle using a port-channel LACP? Since they op...
What is the best practice when it comes to using DAI, UDLD, and BPDU Guard together?Usually, on trunk ports I set DAI to "trusted" when it is feeding other managed switches or equipment but endpoints I have it set to not trusted for anything else.Wit...
Hello Team,I'm trying to do a Nexus 7K lab, but when I try to activate (feature lacp) it gives me error message as below.7K-1(config)# feature lacpErrorIf somebody experience the same issue and what's the fix for this issue.Please let me know. Thank ...
hi. i have the switch catalys-3750 and present the mistake in flash_ini , for mistake delet the flash:_init and my switch don´t Processor or Enough Space to Upgrade switch: flash_iniInitializing Flash......The flash is already initialized.switch: st...
Hi, I am working on a real router (this is not LAB). when I apply the following configuration on the router, the configuration does not as i configured on router. that mean in the running configuration it will automaticly changed to ""10 permit ip ho...
Resolved! CBS350-24XS ARP Table Size
Hi,I'm a bit confused about the following.I want to stack two CBS350-24XS devices in native mode, as they are the same model. However, I'm trying to determine the maximum size of the ARP table, but I'm finding conflicting information. From what I can...
Hi,I have a quick question regarding the Stackwise configuration for 4 Catalyst 9300 switches. In terms of connecting them, which scenario would be correct:Connect switch 1 stack port 2 to switch 4 stack port 1 ORConnect switch 1 stack port 1 to swit...
We have a managed router solution on our WAN. We don't have direct access to the router, configs, logs, etc. (Inherited this design).MRS <-> C9300 (layer3)At each location the C9300 switch is also configured as the DHCP server.At one location, the pr...
We are experiencing an unusual issue concerning SSH connections to Cisco 9200L switches. We recently migrated from Cisco 2960 switches to Cisco 9200L models. When connecting from the same network using a Linux server, SSH to the switches works succes...
Good day,Can someone let me know if the Cisco catalyst 4948 power supply is hot swappable or not. I have a few switches with 2 power supplies, but each have 1 power supply fan not functioning (got this info. from the NMS as well as seeing red light o...
I am trying to configure EMM but the option to configure track is missing? Please help, thanks in advanced.
