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how to test a new switch without adverse affect

We brought a new core switch (cat 9500) with the intention of shifting to it , however i would like to test some uplink to make sure the link will go up on the shifting day , however I'm worried if i connect the new switch it would mess the vtp or th...

baselzind by • Level 6
  • 6 Views
  • 2 replies
  • 0 Helpful votes

Cisco VPN Client cuase windows crashes

Hi,I have a newly reinstalled OS Windows 11 PC. There is Cisco AnyConnect Secure Mobility Client on my PC to connect to my work access. Randomly my pc crashes, basically freezes. After manually power off and power on When I check event viewer the las...

Snort3 not recognising SMTP/S but Snort2 did/does !?

I'm in the process of updating all our FTD's from Snort2 to Snort3 & almost everything appears to work, except SMTP/S email.Under Snort2 it shows in event logs as SMTP/S Client traffic type correctly, but when Snort3 is enabled, it does not recognise...

ida71 by • Level 1
  • 167 Views
  • 9 replies
  • 0 Helpful votes

ISE DNS health check showing warning

Hi all,I have a four new standalone nodes which will be going into a cluster, I am seeing two nodes have a DNS warning. All nodes are located in the same caI can ping both DNS servers .21 and .22 and nslookup up works to resolve its own IPWhy are two...

NetworkMonkey101_0-1713418948817.png

CSCvb29204 - BenignCertain on IOS and IOS-XE

Hi When nessus scan, we got vulnerability info as below. Any solution can be used for this issue? A remote device is affected by an information disclosure"The IKE service running on the remote Cisco IOS device is affected byan information disclosure ...

Multicast Lab Auto-RP

Hi ALL,I have setup a lab in CML for testing multicast using Auto-RP but I cant see traffic flowing from the source to the receivers . I can see the (S,G) entry in the first hop router and the (*,G) entry in the RP .Appreciate any feedback Thanks,Fra...

Cisco ASA Anyconnect VPN Clients local IPv6 causes DNS issues

Hi All,We are experiencing some issues with different users, hope someone here can help solve it.First our setup, we have clients connecting with Client VPN using Cisco AnyConnect version 4.9.06037 and connecting to a Cisco ASA5585-SSP-20 running  So...

FdeW by • Level 1
  • 3577 Views
  • 10 replies
  • 5 Helpful votes

Cisco Firepower 2130 - no console access

I have a couple of Cisco Firepowers that I can access thru SSH or the FDM, but I can't console to them?-Software version: 7.0.5-72-Configured with primary and secondary-Base license-Not using FMCCan someone tell me how to get console access? Thank yo...

DSterling by • Level 1
  • 109 Views
  • 5 replies
  • 0 Helpful votes

Resolved! PBR VS CONNECTED

hello. I understand that Connected routing has an AD value of 0. The IP bands on the 1st and 2nd floors are different. 1st floor: 1.1.1.0/242nd floor: 2.2.2.0/24 There are two firewalls on top of the backbone. The band will be 3.3.3.0/24. If you conf...

김선명 by • Level 1
  • 190 Views
  • 7 replies
  • 0 Helpful votes

GNS3 - IOSvL2 crashing on boot

I get the following error message: https://pastebin.com/WEwAvbsCThe network is shown in the image. I literally just press start all devices, connect to console and get that. I tried googling the error but nothing shows up.

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