Cisco 9300 switch doesn't connect via SSH

I have a couple of switches that are trunked via a LAN cable from another switch. I noticed that these switches sometimes have a hard time to SSH into. I get the error: "Connection timed out". After a while and a few tries I can connect just fine. I ...

ICMP Timestamp Request Remote Data Disclosure on Catalyst 9300

From an ACAS scan, I am getting the "ICMP Timestamp Request Remote Data Disclosure" (Tenable 10114) from one of my Catalyst 9300 switches. I am currently on IOS XE version 17.13.1. I have five other catalyst 9300s that are not showing this issue. Any...

Nexus9000 guestshell iperf3 values issue

Hi All! I have one problem related to running GuestShell on Nexus 9000 I managed to successfully run guestshell and install iperf3. But when i start measuring channel bandwidth, it shows tiny values, the hundreds of kilobytes, while the real channel ...

FTD Routing question

Hi to all,i am facing the following problem, please refer also to the png attached (i also have some information on the png attached).An IPsec VPN 2811 router tries to establish an IPSec vpn with an FTD. I have setup this config on the lab and i noti...

Erro ios

Pessoal, estou com essa falha aqui no meu switch Cisco ws-3560-34ts. Alguém saberia o que eu poderia fazer para normalizar essa condição?

cisco outdoor AP1542I not powering up

Greetings, Kindly advise how to check and rectify cisco outdoor AP1542I for not powering up. The WAPs are connected to 9200 series POE switch and the switch ports are able to power other devices when connected.  End user found that 4 out of 18 instal...

EIGRP with ASA in multiple context flapping

hi Cisco,I am using below topology in my lab where ASA in multiple context - C1 and C2 sharing the same physical interface, in different VLANs (sub interface) is not able to establish EIGRP neighborship with 2 cisco routers (point to point). Although...

Reserve sandbox

Hello,How do you actually reserve a sandbox? There doesn't seem to be any Reserve button any more on this latest GUI. I'm logging in and looking at this site: https://devnetsandbox.cisco.com/DevNet Thanks!

Creating a S2S VPN - protected networks via IP extended ACL

Hi to all,i was trying to find why the the vpn between an FTD and a cisco router could not come up and concluded to this:When i create the S2S VPN PtP topology if i just add the protected networks, the tunnel does not come up.For example if behind th...

Network with two uplink

Hello everyone,Here i have two uplink from my main core switch which is connected to Main-R.i would like to utilize both uplink same time for different network Eg:MGMT network use Service Provider as a Uplink (192.168.3.2)DATA network use Main-R as a...

Need to check vulnerability for cisco switch 2960X

Unable to access Spotify Speakers from Wifi

Hi there, I have a Cisco ISA 550 that is my main router which connects to a SG-500 52 Port Switch and a WLC 2504 with 4 1852 AP's. For some reason, my spotify speakers are not recognized when I connect to the Wifi however I can find them when I wire ...

2960X Upgrade Path from 15.2.2E6 to 15.2.7E2

Hi all, Does anyone know if there are any intermediary updates that are required to move from 15.2.2E6 to 15.2.7E2 on a 2960x? Thanks! Ian

Why OSPFv3 is more faster than OSPFv2

The big problem with OSPFv2 is the Router LSA which carries many informations through Link Types 1 2 3 ( Neighboring p2p or transit network, virtual link ) in addition it lists all IP prefixes for links in p2p with Link Type 4. Any changes of Link Ty...