I'm going to upgrade the IOS, and I need what point of attention I should take before the activity. Here are the current and new devices and versions:C9500-16XCurrent version: 16.9.3New version: 17.03.03 C9200L-48T-4GCurrent version: 16.12.04New vers...
Forum Posts
Hi comunity, the automation network of our client (mining) has a WS-C2955T-12 switch. We recommended him to replace it because currently there's no TAC support for that switch. From Cisco the recommendation is to use an IE2000 switch, but we habe som...
I am working on a solution to block traffic between two vlans communications. . When I tested connectivity between vlans, traffic is passing. I have configured VRRP protocols for l3 vlans and 99 vlans created on nexus7k. Please guide me how to bl...
Hi,what I am doing:1- go to romman mode2-confreg 0x21423- resetthen see this error % Error opening nvram:/ifIndex-table No such file or directory-------------------------------------------------------------------*Jan 1 22:12:37.335: %DIAG-SP-6-RUN_MI...
Dear Community,We have been experiencing an issue where every once in a while our core stack will place a couple of VLANs into Loop Inconsistent state. This of course kills the phones and the data for our users. The issue is I cant seem to figure out...
We are looking to configure a C3650 to monitor sessions from a specific VLAN and send the data out through a single interface with a SFP-10G-SR. We would like the interface to solely transmit (TX) with the receive(RX) being completely physically disc...
Resolved! Catalyst 9300 Multicast Routing
Hi,I'm trying to route CAPWAP Multicast traffic with Catalyst 9300.c9300mcastlnz#sh run ip multicast-routinginterface Vlan3ip address 10.40.18.251 255.255.240.0ip pim sparse-mode!interface Vlan351ip address 10.20.18.55 255.255.240.0ip pim dr-priority...
I have switch 2950, I want delete flash. But I can't, I have an error "permission denied".how can I give permission?
Dear Cisco-Community,I am trying to add static route for 84.38.112.0/20 (255.255.240.0) to a second router (gateway) 192.168.0.253 but I found no way to add this in web interface of CISCO EPC3925 from my internet service provider. Not even in manual ...
After configuring all the devices, i tried pinging pc1 to switch1 which results in time out in all replies. Eventually, i want to ping from subnet to subnet, but i highly doubt it will work since failing to ping devices in a network. Can anyone ident...
Dear All, I renamed config.text to config_old.text. It throw some error and the fileis missing now and shows that was now in lost+found of flash. How can I recover that renamed file from lost+found of flash: Please help me
Hello, everyone I have a question about the queue size, if anyone knows, please let me know.
I am attempting to perform simple ACL-based packet filtering on a Cisco ESS3300-based (ruggedized) switch that is running IOS-XE version 17.06.02 (network-advantage feature set). The switch allows me to configure SVIs, and performs inter-VLAN routin...
Hi, someone have o maybe can add CBS250 FOR VISIO stencil...i will apreciate that. TY
Silly question here. I have a C3850 switch that I just upgraded to the most recent IOS. When I reboot the switch it loads back into the previous version IOS. How do I set the boot variable for this switch to boot to the current configuration? I ha...
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