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Forum Posts
On 9300 version [Bengaluru],, Version 17.6.8, RELEASE SOFTWARE (fc4) Cannot get IP address to user when snooping is enabled. It works as soon as I disable snooping. Vlan 749 or 849 will work. The "show ip dhcp snooping bindings" never shows any a...
Resolved! logging synchronous
hi,is it necessary to enable logging synchronous on all switches and routers?
I've two CBS350 series of switches that I wish to setup for connecting IP Cameras and accessing them from the Control Room.IP Cameras will be connected to CBS350-8S-E-2G.CBS350-8S-E-2G will be connected to CBS350-24T-4X over Single mode fiber via a p...
Resolved! Cisco 2960-S MBIST failed
Hello there,we've recently been resetting some of our Cisco 2960-S series switches, and we are getting some weird post messages.When we boot into ROMMON and factory reset them, after the boot command when the firmware boots, we get 9 MBIST fails, but...
Hello there,we have recently acquired few used Cisco 2960-S series switches, and we are curious about something.While the switches are booting, we are getting a message after flashfs initialization.FIPS: Flash Key Check : BeginFIPS: Flash Key Check :...
I have a question about the AVB on the Cisco Catalyst 9600. There is a document that shows the commands for avb.https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst9600/software/release/17-10/command_reference/b_1710_9600_cr/layer_2_3_commands...
Resolved! How to delete an empty port channel?
How to delete an empty port channel?Switch3#show etherchannel Channel-group listing: ----------------------Group: 2----------Group state = L2Ports: 0 Maxports = 16Port-channels: 1 Max Port-channels = 16Protocol: LACPGr...
I'm going to be replacing some 4500 series devices with their 9400 counterparts. It's mostly straightforward, but I've become aware that a particular location has two 4507s in different locations in the facility. One is effectively the Core and the ...
We are in the process of converting our network all to Cisco with C9300-48Ps. We have been noticing that users have been complaining that their desk VOIPs and PCs (laptops and desktops) have been going off and back on line at times, internment. I hav...
We have a handful of remote locations connecting back to a main campus using circuits from Charter Communications (Spectrum). Remote locations are mainly based on 3850s, and there is a stack of 3850s at the main campus location. The current network d...
Hello, is it possible to return a serial number or hostname via the RFID tag, on the new 9200L and 9300L series switch? I have not touched RFID before, and any help is appreciated, including configuration examples :)Best regards
We have an Cisco 9300L-48P-4G switch. While connecting to switch through console screen coming blank. Even the switch is not booting and also not accessing in rommon mode. several time reset the switch but the problem remain same. Kindly suggest how ...
Hello,I downloaded IOS version 15.2(7)E10, as recommended, but release notes don't say anything about upgrade procedure or safe upgrade path.Here is the link: https://www.cisco.com/c/dam/en/us/td/docs/switches/lan/catalyst2960x/software/15-2_7_e/rele...
Resolved! switch: CCCCCCCCCCxmodem:: I/O error
hello I goofed and uploaded a new image to my Cisco 3750.I deleted the prior image and set the boot flash statement and then used the command boot system flash: old image/new image This caused me to enter into switch: mode I have tried various recove...
ROM: IOS-XE ROMMONBOOTLDR: System Bootstrap, Version 16.12.1r [FC2], RELEASE SOFTWARE (P)uptime is 2 days, 14 hours, 8 minutesUptime for this control processor is 2 days, 14 hours, 12 minutesSystem returned to ROM by Power Failure or Unknown at 09:02...
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