Questions tagged [cisco]
For questions about software or hardware from Cisco Systems, including VPN connection issues, wireless routers or adapters, etc.
184
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openconnect fails with "No SSO handler"
Previously I could connect to my office Windows machine remotely from Ubuntu using:
sudo openvpn --mktun --dev tun1
sudo ifconfig tun1 up
sudo openconnect ${VPN_SERVER_ADDRESS} --authgroup=${...
- 372
1
vote
0
answers
99
views
Authentication window opens and closes before loading in Cisco AnyConnect
I'm having difficulties resolving an issue that has been occurring with Cisco AnyConnect. The login is successful, but it closes after the authentication window. I don't have much knowledge, but I ...
0
votes
0
answers
109
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How to install Cisco MIB on ubuntu?
I am trying to decode the SNMP traps in plain text, and need some help on how to install the Cisco MIB in Ubuntu so I can parse these logs.
Ubuntu Version: 20.04.5 LTS
E.g.:
2023-04-24 18:18:55 [UDP: ...
0
votes
1
answer
706
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Cisco Anyconnect Secure Mobility client on Ubuntu 20.04 with SAML/SSO does not show the page for authentication
I have a Cisco Anyconnect Secure Mobility client on Ubuntu 20.04.6 LTS
The process is, start the client/vpn and then wait for the authentication screen/page (SAML/SSO) to ingress with mail/pass.
But ...
- 101
0
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0
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133
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this error occurs when installing cisco packet tracer how can i solve it?
i was trying to install cisco packet tracer in my ubuntu laptop but every time i try to install this software i get this message below:
E: The package packettracer needs to be reinstalled, but I can't ...
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2
votes
0
answers
409
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cisco openconnect disconnect every 5 minutes
Recently I installed Ubuntu (Ubuntu 20.04.5 LTS) and I installed openconnect server I am faced with one problem. When I connect to my server with the cisco any connect app from my iphone or any ...
0
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0
answers
326
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no internet connection after disconnected form cisco in terminal Ubuntu 20.04LTS
when I disconnected from cisco vpn in terminal cant access to internet anymore until reboot the system
I also use
sudo service network-manager reload
sudo killall vpn
systemctl restart ...
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1
vote
1
answer
1k
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Problem connecting with Cisco Compatible VPN on Ubuntu 22.04
I'm trying to configure the VPN for my workplace and am somewhat stuck as I do not know what I can do.
I can confirm that the VPN works with my account/password if I use Windows or Android. After I ...
- 1,987
0
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0
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907
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Ubuntu server 22.04 TACACS+ authentication to Cisco ISE not working
I know there are already similar and quite old questions and maybe using tacacs+ is not state of the art but I need to authenticate users on my Ubuntu 22.04 server to a Cisco ISE using the TACACS+ ...
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0
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1
answer
173
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Drop to root in Ubuntu 20 Recovery is disabled
Cisco Modeling Labs uses Ubuntu 20 for its base OS which I recently purchased for the Cisco learning center. I am installing it on a bare metal server, and I need to drop to root in order to mount a ...
- 3
0
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0
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508
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issues installing packet tracer (ubuntu, parallels, M1 MacBook)
I am trying to install Cisco Packet Tracer in Ubuntu running in Parallels on an M1 MacBook Air.
So when I go to install the .deb file I get an error saying Wrong architecture AMD64 run dpkg --add-...
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0
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0
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12
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Where do I find the correct serial/ethernet port in /dev to connect to my Cisco switch using screen? [duplicate]
I'm trying to connect my Ubuntu to my Cisco business switch but I am having trouble finding the right serial port or ethernet port. Im using a usb to ethernet adapter on my laptop side. From there it'...
0
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0
answers
202
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Improve stability of Cisco Anyconnect Secure Mobility Client
I'm using Cisco Anyconnect Secure Mobility Client version 4.8.01090 on Ubuntu 18.04.6 LTS.
The VPN works fine for about 10 minutes at a time, at which point the connection drops and the client takes ...
- 101
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0
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1k
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Packet Tracer 8.1.1 doesn't luanch on Ubuntu 18.04.5 LTS
I have a DELL Latitude E6530 machine with the following specs:
I downloaded Packet Tracer 8.1.1 (.deb file) from https://netacad.com and after installing it, it didn't launch. I did some research and ...
- 11
1
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1
answer
2k
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OpenConnect certificate failed verification, it says its expired, but it is NOT!
When I try to connect to my OCServ using OpenConnect client in ubuntu it throws an error:
Connected to x.x.x.x:yyy
SSL negotiation with server.domain.tld
Server certificate verify failed: certificate ...
- 13
2
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0
answers
793
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Network-manager openconnect does not change my public ip address
I just tried to connect to Cisco any-connect VPN through network-manager or command line.
When I use sudo openconnect <server_address> command in command-line I see my public IP address has been ...
0
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2
answers
361
views
Can't install Packet Tracer 7.3 in Ubuntu 20.04
I'm new here, i don't really know that much about Linux, but today I installed Ubuntu 20.04 on my PC and i searched for the 7.3 version of Packet Tracer, and i installed the .deb file, extracted it ...
0
votes
0
answers
14
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Can't install Cisco Packet Tracer [duplicate]
I am new to ubuntu and trying to install Cisco Packet Tracer (downloaded it from netacad.com 7.3.1 version). When I installed it, I got a .deb file and extracted it with GDebi package installer. After ...
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0
votes
1
answer
407
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Cisco AM10 USB wireless adapter not working with Ubuntu 20.04.1
I have a Cisco AM10 USB wireless adapter which used to work with 18.4. But after the latest upgrade to 20.04.1 it stopped working. Basically it is recognize as a USB drive but not a wireless hardware. ...
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0
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3
answers
8k
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Ubuntu 20.04 unable to ssh to Cisco IOS
Had a Ubuntu 18.x control workstation with the ability to ssh to Cisco network devices. This workstation received an upgrade to 20.04 last evening. Everything on client side appeared to well but ...
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1
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0
answers
960
views
Failed to open Cisco WebEx meeting using Java Web Start
To enter a college class I need to execute a JNPL file using the command line (because audio doesn't work from Chrome or Firefox):
user@computer:~$ sudo javaws '/home/user/Downloads/CiscoWebExServlet' ...
- 143
1
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0
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491
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How do I run Cisco AnyConnect VPN on Kubuntu 20.04 using Microsoft Exchange login?
My workplace uses Cisco AnyConnect VPN to connect to our internal network. The VPN requires us to login to our account using Microsoft login. Months ago (few months before quarantine), we can use ...
- 691
0
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1
answer
401
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Not able to connect to external sites on Cisco Anyconnect using Ubuntu 20.04 [closed]
I am using Cisco AnyConnect Mobility Client 4.5.02033 on Ubuntu 20.04.
When I try to connect to the company's network it is working fine but as soon as I open any external website, (example: www....
0
votes
1
answer
377
views
19.10 - Wifi - Linksys AE2500-RM not recognized by system
I see this has been asked before, but not for 19.10, and not for FIVE years.
Linksys AE2500-RM wi fi adapter not even popping up on my Wi Fi Settings when I plug it in.
In five years, has there ...
- 23
0
votes
1
answer
964
views
Cisco VPN not connecting to internet
I am trying to connect to my office vpn. When I try to connect with Cisco Anyconnect Client it does connect but it restricts only the private sites of office.
Is there some way I could open other ...
2
votes
2
answers
533
views
Can't Connect to VPN in LTS 16.04
I am still using 16.04. I plan on upgrading to 20.04 when the academic year is over.
I recently did something stupid and tried to install OpenPLC Editor, which involved uninstalling a bunch of things,...
3
votes
1
answer
13k
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Unable to install Cisco Packet Tracer 7.3 on Ubuntu 20.04
I am trying to install Packet Tracer 7.3 (latest version) on Ubuntu 20.04 but do not succeed to so so because of two dependencies which are not installable ("libdouble-conversion1" and "qt-at-spi").
...
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8
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0
answers
3k
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Cisco AnyConnect dropped and can't reconnect without reboot
I am using Cisco AnyConnect on Ubuntu 18.04. The VPN sometimes got disconnected unexectedly. I try to reconnect, even quit the GUI, kill all process for programs under /opt/cisco, restart ...
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2
answers
7k
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Lubuntu 18.04 can't SSH to Cisco Router: no matching key exchange method found. Their offer: diffie-hellman-group1-sha1
I'm not sure if this problem caused by Lubuntu or Cisco Router side.
Lubuntu = 192.168.1.100
Cisco Router = 192.168.1.1
SSH from Lubuntu to Cisco Router
user@linux:~$ ssh -V
OpenSSH_7.6p1 Ubuntu-...
- 1,943
0
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0
answers
61
views
Setup a Cisco WiFi stick
Previously, when I was using Windows 10, I used a Cisco WiFi stick. Now, I converted to Ubuntu18, I can't find the linked software. The software is is: Linksys, EA 2500, version 1. I've found for ...
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7
votes
1
answer
33k
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Cisco Webex Meetings in Ubuntu
Will I be able to run Web Meetings as a web app in Firefox? I have been using Ubuntu 18.04.4 LTS. Thanks in advance.
- 349
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0
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2k
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Cannot start vpnagentd service on ubuntu 18.04
Anyone can help how can I solve these errors that I recieve while trying to start vpnagentd? Seems like there are some c++ libraries are missed in my system, but I can't found them
➜ service ...
6
votes
3
answers
15k
views
Can't install libdouble-conversion1 on Ubuntu-19.10
When I tried to install Cisco packet tracer from deb file it gave the following error:
Unpacking packettracer (7.3.0) ...
dpkg: dependency problems prevent configuration of packettracer:
...
- 555
1
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2
answers
1k
views
Cisco Packet tracer not logging in on Ubuntu 18.04
I installed Cisco packet tracer on ubuntu 18.04 using this link.
It works perfectly fine on "Guest session" but does not login to my cisco account. It throws this error whenever I try to login and ...
- 93
1
vote
2
answers
3k
views
error while loading shared libraries: libQt5Sql.so.5 when installing Cisco Packet Tracer 7.2.2
Initially, I had this problem after installing Cisco Packet Tracer 7.2.2
user@linux:~$ /opt/pt/bin/PacketTracer7
/opt/pt/bin/PacketTracer7: error while loading shared libraries: libQt5WebKitWidgets....
- 1,943
3
votes
1
answer
2k
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Unable to connect to Cisco openconnect in ubuntu 19.10
Today I have decided to upgrade my os from 18.04 to 19.10
I use openconnect with the terminal by this command :
sudo openconnect de.cisadd2.com
Then I enter my username and password and it would ...
- 103
0
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0
answers
115
views
repackage xenial .deb for bionic
I have a set of .deb files which I downloaded from Cisco to use in Openstack. The problem is that packages are for Openstack Queens (Ubuntu 16.04 w/python v2.7 ) and I'm running Openstack Stein (...
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0
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0
answers
2k
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How to use OpenConnect without blocking port 443?
I've migrated a Windows 10 machine to Ubuntu.
On Windows 10 I connected to a Cisco VPN through the Cisco AnyConnect client. It worked fine and allowed me to use port 443 while connected to the VPN (...
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2
votes
0
answers
4k
views
Certificate Validation Failure (Cisco)
Cisco AnyConnect Secure Mobility Client throws an error when trying to connect to the server.
I got the certificate name2019.pfx, then converted it to files: someName.pem someName1.key comeName2.crt. ...
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1
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0
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957
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VPN not reconnect with Cisco AnyConnect Secure Mobility Client
I try to connect other server by vpn with Cisco AnyConnect. For the first time, it connects. But if I try to reconnect, it shows:
Okay, but connection has been established for the first time. I ...
0
votes
2
answers
2k
views
Can't open Cisco Packet Tracer on Ubuntu 19.04
When I launch the Cisco Packet Tracer, I encounter the following error.
$ sudo packettracer
Starting Packet Tracer 7.2.1
/usr/local/bin/packettracer: line 8: 9348 Segmentation fault (core ...
1
vote
1
answer
825
views
Help uninstalling 3rd party software
I recently installed Cisco Anyconnect in order to VPN into my university's intranet when off site. This software, however, has gone rouge and is crashing my computer regularly. Here is a top example:
...
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1
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0
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3k
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How can I debug Cisco Anyconnect constantly connecting and reconnecting?
I was using Cisco Anyconnect just fine until couple of days ago. But now, it keeps constantly connecting and then reconnecting in cycles of a few seconds, making it completely useless. I know this is ...
- 946
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1
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670
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Understanding how TFTP Server works
I have an Ubuntu machine which acts as a TFTP Server. I want to configure my Cisco IOS routers to take configuration from this TFTP server at boot time.
I have a few doubts- Where do I store the ...
3
votes
0
answers
3k
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How do I get WebEx working on Ubuntu 18.04 in 2019?
I've spent a couple of hours trying out every single method available on askubuntu, but none of them seems to be working anymore.
The closest I've found is this answer (https://askubuntu.com/a/893216)...
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0
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300
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Why does USB-to-serial cable freeze keyboard?
I found a weird issue in Ubuntu 18.10. The issue was caused by my error, but it led to a situation that I couldn't figure out how to recover from, and I'm curious if anybody here has ideas about what ...
- 904
6
votes
3
answers
4k
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Cisco Anyconnect not working on Ubuntu 18.04 with two-factor authentication
I'm trying to get Cisco Anyconnect working on a fresh install of Ubuntu 18.04. The vpn I'm connecting to requires 2fa, using Duo Mobile push or a text code. The program connects fine, and I enter my ...
- 181
1
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0
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32
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How to use VPN in a similar manner as SSH tunes?
In order to remotely access to an internal network, I am provided with a Cisco AnyConnect based VPN solution. I can successfully connect into the network, but since all my traffic is routed via this ...
- 206
0
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1
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301
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problem while adding cisco iosv
I am trying to add Cisco IOS v to GNs3 2.1.11.
I followed this video https://www.youtube.com/watch?v=dWxiLiXbLIc , but always I got this error:
I already installed GNS3VM with Virtualbox and it's ...
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5
votes
1
answer
10k
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How to connect to Cisco AnyConnect VPN via GUI in Ubuntu 18.04
I've installed the Cisco AnyConnect on Ubuntu 18.04 via:
sudo apt-get install openconnect
and I've connect well via:
sudo openconnect cz.cisadd2.com
But how can I add my Cisco AnyConnect VPN to ...
- 208