Hello all, I'm trying to configure Layer3 subinterfaces on port-channel on a C9500-48Y4C with version 16.9.4. However it seems the feature is not enabled or supported. When I try to apply this interface Port-channel10.3000encapsulation dot1Q 3000ip a...
Forum Posts
Resolved! 3650 High Memory Used
A warning log of "%PLATFORM-3-ELEMENT_CRITICAL:Switch 1 R0/0: smand: 1/RP/0: Used Memory value 98% exceeds critical level 95%" appears. show processes memory This is the suspicious process. 3650#show processes memory Processor Pool Total: 8856...
Resolved! Cisco Catalyst 4500X or 9500
Hi All, I'm looking to purchase a new collapsed core switch for one of our sites and I'm looking at either the Catalyst 4500X in VSS or 9500 in Stackwise virtual. I know that the 4500X has been out quite a while and I'm not sure if it will be announc...
Hello, I order QnQ WAN connection to the provider to distribute / extend my existing VLAN from one Datacenter to another Datacenter. Today the QnQ link is ready so on the core switch 1st datacenter i set the port connected to the provider as trunk, a...
Good morning, I have a cisco switch mod. C9200L-48P-4G with 17.12.4 and a separate DHCP server connected with port GigabitEthernet1/1/1 FO. The DHCP server work fine.When I connect a laptop client to port from 1 to 10, the client do not receive the D...
Hello Everyone, We could see MAC not found on the Cisco 9300 switch. Also we noticed that this alert triggering everyday around 2:15 - 2:45 UTC. No other time seeing this alert. What would be the reason? How to arrest this alert? We have regenerated ...
How do I use the subject?Currently, we want to build a VRRP configuration with other companies' devices using Catalyst3560You can enable ip routing, create an SVI, and assign an IP address on the device.However, you cannot configure VRRP for SVII tri...
Hi all,I have been trying to configure trunk in CML external connector bridge but for some reason even though I turned vlan filter off ARP request is not going through the bridge. I packet captured the link conencting to the external connector in CML...
Hi,I am trying to clean up boot variables but I am unable to do so despite using the no boot system switch or no boot system flash commandBOOT variable = flash:/flash:cat3k_caa-universalk9ldpe.16.12.12.SPA.bin;flash:cat3k_caa--universalk9ldpe.16.12.1...
Hello everyone. I have a network with the topology shown in the figure below. In black oval shape (layer3 switch) The port f0/1 is main port and port f0/2 is backup link to connecting to c3750-12s(root bridge) with switch c3750-12s because in black...
hi there, there is an issue with my wireless router. the ping command reaches the wireless router but does not go through the wireless router. so, the connectivity between the wireless router and the default gateway router has an issue which I cannot...
Hi,we have a georedundant dark-fiber connection between two company sites.We're using a setup of 2 9336C-FX2 on each site, where each switch is directly linked to a single peer on the other site.The 2 switches in each site are linked using vPC. We ag...
Hi,We have a stack of 4 X C9300-48UXM switches in one of our Hub rooms. They are all on version 17.12.04.All these switches got reloaded yesterday. All these switches are connected to the main power supply. We got it confirmed with the power company ...
Resolved! CCTV Best Practices - VLANs and NTP
As the title states, I'm reaching out to the community to hopefully learn more regarding CCTV network best practices and/or lessons learned. First question is in regards to VLANs. The previous network engineer segmented and organized the network by ...
Hello everyone,I'm having trouble importing an SSL certificate to my Catalyst C1200, and I would greatly appreciate your help.Goal / MotivationI want to enable HTTPS access to my C1200 using a valid TLS certificate issued by a trusted certification a...
