I have topology as attached picture, and want to know why R3 cannot detect CDP R4?========================================R3 can detect CDP R1 but not detect CDP R4R2 can detect CDP R1 and also CDP R4========================================
Forum Posts
I configured the 9400 switch for Radius access (Telnet) and created a basic policy set via Cisco ISE. I tested succesfully using my AD credentials.This ISE policy set is configured to allow access to the switch when a user Telnets to it using the AD/...
Good Day, I have searched for install / upgrade steps and found many, all different and some vague. Found this: https://www.youtube.com/watch?v=bX006rPu4pA Not sure but this looks like a safe bet? Any feedback will be appreciated Regards
Hello community, I had an issue on a customer site with a ring topology using REP where one port was in Fail state.Physically (layer2) the port was fine.But when I looked at REP status for that switch in Fail, the link is ok in Two Way state but the ...
Resolved! Cisco 9300 IOS upgrade guide
Hello, I am considering 9300-48P 16.12.02 to 17.6.5 upgrade and 9300-24T 16.12.4 to 17.6.5. Is it possible to upgrade directly? I couldn't find these on realse note. Thank you.
I had no other choice but to do a factory reset on my 9300 series 48 port switch. I’m now posting to figure out my next steps.The first thing I tried from the switch: prompt was to copy usbflash0:image bootflash: unfortunately after entering this com...
Dear All,I have VLANs configured on a Cisco core switch. Where the default gateway of this Coreswitch is Firewall 1. Lately, Firewall 2 was installed where I need one of the VLANs traffic to go outside Firewall 2.Will the following configuration work...
Hi, I have an issue in Cisco C2960x where I have found that all the stack members are MASTER after power interruption. The switches are working fine but I can't remote SSH to the stack. Whenever I try to remote I get "Connection was reset" error. I d...
Resolved! Module shows PwrDown on 6800-X-LE
After upgrading the rommon and ios on a part of VSS (2x6800-X-LE), one of the module in a 6800-X-LE is showing as PwrDwn in the module status. sh module switch 1=========Switch Number: 1 Role: Virtual Switch Standby---------------------- -----------...
Short history first. Inherited this mess. Have a vlan that had PC's and PLC's that used two seperate IP address ranges (call them 10. and 192.). To implement new firewall rules they were split up into two respective vlans. The downside is there i...
The switch is a Cisco IE-3300-8T2S on Version 17.03.04. I do not see a bug on Cisco's bug search tool, nor do I see an RSPAN fix on later FW versions. When I add the remote vlan to the trunk (which only holds 4 other vlans) I lose the 3300's MGMT IP ...
Dear all, Currently I have been investigating FEC recommendation for Catalyst9600 and Nexus9000. The following links are related URL. [Understanding FEC and Its Implementation in Cisco Optics]https://www.cisco.com/c/en/us/products/collateral/interfac...
HiI have switches SG300-28, SG550XG-24Tand SG200-50, and I need to receive email notifications that the port has changed speed from 1000Mbps to 100Mbps. Can anyone help?
Switch: Cisco 2960 (172.16.1.2)PC1: Client machine requesting DHCP from Hyper-V Server1PC2: Machine running Hyper-V and hosting Server1. (Static IP: 172.16.1.5)Server1: Windows virtual machine running on PC2. (Static IP: 172.16.1.7)All devices are on...
I have two c9300 and two c3850 switches configured in a REP ring. All switches are running ios 16.9.6.Whilst REP is running fine, the recovery time for traffic is significant - 5 to 10 seconds. This is for two end user devices communicating via TCP. ...
