I have 2 Nexus 5Ks that drop ping packets when pinging between them at 70-90% drop rate. The ping drop rate also occurs for the following: - Between access layer switches and 5Ks - Between end user devices/servers and 5K - Between PC and HSRP gatewa...
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have a widows server (VM) complaining"The system detected an address conflict for Ip address 0.0.0.0 with system having network hardware address 1C:DE:A7:BD:2B:8D. Netwrok operations on this system may be disrupted as a result". screenshot attached. ...
In a cisco switch WS-C2960X-24TS-L with this firmwareCisco IOS Software, C2960X Software (C2960X-UNIVERSALK9-M), Version 15.2(2)E7, RELEASE SOFTWARE (fc3)I am trying to run this command:(config)#no aaa accounting system default start-stop group tacac...
Hi thereC9K 17.10.1not sure i understand the background for this... while it's clear that on ingress port may observe SW-processing relevant packets, why do all packets of this category get dropped? What can be in this category & what is the RC of dr...
Hello members, I am working on creating new VLAN 892 and don't want the devices inside this VLAN to be accessible from other VLAN other than a Jump Server. I have created this VLAN over Core and got this VLAN propagated to all switches over my topolo...
I'm trying to figure out the correct process for upgrading two C9300-48P's from bundle mode to install mode (specifically 16.9.2 & 17.5.1 to 17.9.5). I've gotten the process figured for upgrading from install mode to install mode:conf t > no boot sys...
We would like to see a message in syslog from users logged in via SSH or Console. Who and when was logged in to N9K switch.Which parameters must then be configured?The messages come to the syslog server. But either too much or too little. Which loggi...
Currently building a new lab environment and was given a 9300-24P and a 9500-32QC. Can these two be connected together? If so, what would be needed to make this work (we were given modules, sfp's cables, etc)?
Resolved! Convert from NPE to non NPE image?
I accidentally loaded the NPE version of IOS on two 9600's and need to switch to the regular version. I tried with this command:install add file flash:cat9k_iosxe.17.09.05.SPA.bin activate commitand got this response:install_add_activate_commit: STAR...
I'm sorry in advance if I wandered in the wrong community. I've been stuck on designing an University Network as a project for a week. I've been following a video on youtube (https://www.youtube.com/watch?v=0keXWsOvb_A&list=PLvUOx2WG6R7PMM8UhMWevH75Q...
Hello all, I've a stack of two switches WS-C2960X-48TD-L running with version 15.2(7)E0a (release date 14-Apr-2019). Uptime is almost 3 years. I would like to upgrade to current suggested version 15.2(7)E9. Do you think I can do a direct upgrade or n...
Hello, today I was trying to upload file to my C3850 switch. Unfortunatley, I received the following error:I get the same error message for all other IOS files.Any ideas?
Hi so we have a 3750G stack of 3, can ping the device, can snmp push and poll the device and syslogs are flowing. However We cannot ssh, telnet, http or https (all ports time out except 80/443 which actively refuse). I am trying to ssh/telnet from an...
Hello, I have a dozen of these switches to factory reset. They are security locked and have previous customer configs, vlans, ports configured etc. How can I reset these switches so they are completely bare, just like day one out of the box? Thanks
HostA (eth0.20) ----> (F1/1)[SW1](F1/2) ---> (F1/2)[SW2](F1/1) ---> (eth0.20)HostBLets say F1/1 (SW1) is an access port and part of VLAN 20 and I configured a Ubuntu HostA with eth0.20. As per the logic an Access port can only accept packet untagged ...
