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File "usbflash0:cat3k_caa-universalk9.16.03.05b.SPA.bin" uncompressed and installed, entry point: 0x816902d0Loading Linux kernel with entry point 0x816902d0 ...Bootloader: Done loading app on core_mask: 0xf ### Launching Linux Kernel (flags = 0x5) at...

The switch automatically restarted last night, and the cause of the problem has not been found after searching the Internet for a long time. Can anyone please tell me how to solve this problem. After restarting, the error message is as follows, and t...

Translator by Community Manager
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  • 4 replies
  • 0 Helpful votes

After upgrading the IOS of our Cat9500 to Version 16.12.4, we starting getting several Rx power low warnings: Mar 9 09:27:39 EST: %SFF8472-3-THRESHOLD_VIOLATION: Twe2/0/1: Rx power low warning; Operating value: -10.3 dBm, Threshold value: -8.0 dBm.Ma...

broow by Level 1
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  • 8 replies
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Hello, We used ARUBA CPPM as NAC authentication for our Cisco switches (9200, 2960) but we have an issue that some users get err-disabled after a while as the below log:10638546: Jan 11 08:04:26: %AUTHMGR-5-SECURITY_VIOLATION: Security violation on t...

Hi,  I would like to know if  SFP-10G-SR= is compatible with C9300-24UX-E or not? from the switch C9300-24UX-E configuration page the only SFP option available is SFP-10G-ER.   I tried the SFP compatibility matrix page but it didn't show if they're c...

Hello.I am unable to console into a 2960x switch.-This switch has no IP-addresses configured.-There is no serial console port.-I don't have a mini-USB cable.-There is an RJ45 console port on the lower left corner of the front.-I have a USB-to-RJ45 co...

Hello,my Company use 2 Cisco c9300-24T as Stack. Now, we want to add a new Switch to this Stack.Today I recieved the new switch and downgrade the firmware to the same running on stack. That was fine after reload sh ver shows the equal firmware like t...

Hello,Here I have a C2960 switch, in this switch there is a computer connected to the port 1/0/1, and a router connected to port 1/0/24.show run on the switch shows:!ip routing!interface GigabitEthernet1/0/1switchport access vlan 10switchport mode ac...

AE111 by Level 1
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  • 6 replies
  • 0 Helpful votes

Hi all,I'm trying to diagnose an issue with multicast traffic.  I have enabled IGMP snooping, and everything appears to work normally.  If I set up two hosts on the switch, each listening to a different multicast IP, then tcpdump on the hosts shows t...

Berkeloid by Level 1
  • 5308 Views
  • 5 replies
  • 5 Helpful votes