Hi Community, I have ISR 4331 with 3.16 IOS-XE with 4 port switch module ("NIM subslot 0/1", DESCR: "NIM-ES2-4").Router acting as layer 3 switch.The downstream access switch connected to port Gi0/1/0 on the Switch module is not seen as cdp neighbour ...
Forum Posts
Dear All, I have a business requirement to keep the same IP addressing on an old classical ethernet CE environment to allow a phased migration into our new EVPN vxlan fabric. The old CE switches are using spanning tree and HSRP, as shown in the dia...
Hello All,++ IP NAT configuration is not being accepted by the system at Interface level and global level, enable “IP routing” but it still not working.+++ want to know NAT is in the roadmap for IOS-XE release 16.9.4 version or not.Please find the at...
I’ve tried to upgrade firmware in one of my WAP150 and it remains with blinking green led. Is any way to fix the situation? I did upgrade in my other WAP150 and it worked fine. It has the newest firmware.I’ll appreciate support
We had 2 3850-48P-S Switches in a stack running version 03.06.06E IOS. I added a 3rd switch running 03.06.05E and after enabling auto upgrade with the "software auto-upgrade enable" command I rebooted the 3rd switch expecting it to upgrade to 03.06....
What does the R represent Cisco Catalyst 9410R
Hi all, I have a core switch and a router which are connected over 4 physical links. These are configured as Port-channel. - Switch: Cisco C6807-XL- Router: Cisco WS-C6504-E My task is now to change these interfaces with other ones on both side. As ...
HiI'm upgrading a number of WS-C3650-48PD stacks from 03.07.05 to 16.6.6The upgrades are going well (with the odd switch stuck in "provisioning") but something odd is happening with DHCP snooping. I have the following dhcp snooping in place for all v...
Hi All,Yesterday evening faced a strange issue with my Nutanix infra. Sharing background of my setup and issue faced. My setup1) I have 5 node Nutanix cluster2) Connected to 2 Cisco 3850 XS3) Nutanix Nodes are directly connected to both 3850 via fibe...
Hello, Another weird behavior that my be related to my other post but as I'm not sure, I prefer opening a new thread. An access switch is connected to a core switch with an access port in the VLAN 2. From the core switch logs, I can sometimes see the...
Hi,I want to deny L2 traceroute traffic as stated in this article (https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190925-l2-traceroute)However, none of my 3560g/3750g switches has drop command. Is there possibility t...
Hi, I have a Windows DHCP server and two Cisco 3850 switches.I need to achieve redundancy between the DHCP server and core switches in case of a failure of one core switch.What should I configure to make DHCP server redundant? Best regards,MelankaP.S...
HiI'm trying to work out the best way to dynamically assign a port based access vlans to equipment connected to a single Catalyst 9300 stack ideally without setting up 802.1x Port-Based Authentication. The end points and bits of field equipment that ...
HiCould anyone let me know whether each vlan can define 2 ip helper-address ? Example below which i have this existing vlan in Switch:- interface Vlan100 ip address 172.30.49.254 255.255.254.0 ip helper-address 172.30.48.5 no ip redirects ntp...
A new challenge for me which our organization is going to rollup MS TEAMS very soon. However, I stuck those requirements how to apply QOS in our L3 switches that requested by our voice vendor as below:-Voice, Video and File sharing traffic originatin...
