I had an issue in which my access switch trunk port got into err disabled.Then immediately shutdown and no shutdown the switch got working now. How do i check the logs for this? When I checked the logs history I am not able to find anything related t...
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Resolved! C9300-48S switchport problem
Hello Everyone,This is the situation:We recently upgraded some C9300-48S stacks to IOS 17.9.4. No other physical or logical change was made on the network.Symptoms:After the upgrade, the ports are selectively down/down. The devices connected are desk...
Hi ,we have two core switches namely CORE 1(rstp root bridge) AND CORE 2 connecting to our SD-WAN platform via SDWAN-1 and SDWAN 2.Now we have another 3 switches (SW1,SW2 AND SW3) Connecting to both core 1 and core 2 but not SW4. SW4 Connecting to C...
Hello guys,I have a C3850 with IP Services license (3850-48XS-E) which its current IOS version is 3.7.4. For solving an issue (A bug) I am planned to upgrade it to one of 16.12.X versions. But, starting from Fuji 16.9.1 Cisco One is the default licen...
Which switch, with 10 or any ports, would be suitable in the same configuration as above?please help me and gave the suitable model number.
Hi,I have connected my Cisco 3560 switch with my Cisco 9200 switch and configured Cisco 3560 as VTP server and Cisco 9200 and another Cisco 9200 is connected to the first Cisco 9200 with a link UTP cable where all the link port have been configured t...
I have a switch 3650 with firmware 16.3.8 but the switch can't get an IP address from the DHCP server. therefore the Auto Deployment doesn't work. is this a firmware bug?
When I am running 2 switches sw1 and sw2 in stack.I am continuously pinging from server 1 to server 2 and server 3.and If I power down the sw1 and power it back again, till the switch reloads and back in service and is member of stack, does it interr...
Resolved! Why can't run crypto key generate rsa
I have switch 3548-XL with version 12.0(5.3)WC. When attempting to run crypto key genearte rsa, it doesn't work. Why?IP200#conf t Enter configuration commands, one per line. End with CNTL/Z. IP200(config)#hostname IP200 IP200(config)#ip domain-name ...
Hello, everyone. I am studying NetFlow and here is my topology: I started a ping from R2 to R1 and I configured the following on SW1: Why doesn't SW1 register the flow (ignore the Total Flows set to 1, that was from a different config)? I've read s...
Hello All,Device: ISR4321Last Friday I upgraded the IOS-XE image on this ISR device from 03.13.04.S to 03.16.05.S... Ever since this upgrade, interface Gi0/0/0 no longer receives a DHCP Address from the ISP's modem, which is connected directly to Gi...
Hi there,I am not sure what is going wrong and I am losing my mind.Factory reset a Catalyst 3560-C for building a small network.Attempting to upgrade the switch's code version by TFTPing the code to the switch but I am having a nightmare getting comm...
Resolved! CLI and GUI
Hello to everyone I am wondering about Cisco interfaces.is there any possibility that Cisco will change CLI into GUI for routers and switches?
Hi,I have a few cisco 9K switches on rack in which all the switches are accessible through VTY and couldnt login through the console port. Putty is just throwing a black page while trying console login. I tried different cable and laptop, but still i...
Hello All,We are unable to reset our switch to the factory settings. Its a new switch out off the box that we configured (attempted to configure) and hosed it up. The factory default password isn't working user ID cisco and PW using the system SN. ...
