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Questions tagged [cisco]

For questions about software or hardware from Cisco Systems, including VPN connection issues, wireless routers or adapters, etc.

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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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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'...
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32 views

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 ...
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1 vote
0 answers
388 views

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 ...
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How do I fix Problem with MergeList /var/lib/dpkg/status [duplicate]

I was trying to install Cisco package tracer suddenly I got this error W: Target DEP-11-icons (main/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list.d/pgdg.list:1 and /etc/...
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1 answer
612 views

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 ...
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Cisco Anyconnect Secure Mobile client kills the internet speed

I have an internet speed of 140-150 Mbps but when I connect to the Cisco Anyconnect Secure Mobile client it kills my internet speed to 500-1000 kbps which is too slow. What possible solution I can try ...
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318 views

Avahi mDNS; Chromecast in multi subnet works... half

Ok, i'm busy for days now to get it to work. The goal is to have my Chromecast available on different subnets/vlans in my network. There where Avahi reflector comes in. I set up an Avahi reflector ...
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2 votes
0 answers
365 views

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 ...
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697 views

Unable to open Packet Tracer

I'm on ubuntu 18.04 and I've installed Packet Tracer 8.0.0 through apt-get install on the deb file. It did get installed but all I'm getting on using packettracer on terminal is plain nothing. It's ...
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2 answers
233 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 ...
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0 answers
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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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1 answer
291 views

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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3 answers
5k views

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 vote
0 answers
843 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' ...
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1 vote
0 answers
391 views

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 ...
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0 votes
1 answer
309 views

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....
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1 answer
208 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 ...
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0 votes
1 answer
766 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 ...
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2 votes
2 answers
415 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,...
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3 votes
1 answer
13k views

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 votes
1 answer
2k views

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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0 votes
2 answers
6k views

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-...
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0 answers
60 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
32k views

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.
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0 votes
0 answers
2k views

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 ...
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6 votes
3 answers
14k 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: ...
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1 vote
1 answer
738 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 ...
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1 vote
1 answer
2k 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....
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3 votes
1 answer
2k views

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 ...
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0 answers
89 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 votes
0 answers
1k views

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
3k 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 vote
0 answers
840 views

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 ...
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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 ...
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1 vote
1 answer
566 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 vote
0 answers
2k views

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 ...
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0 votes
1 answer
520 views

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 ...
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3 votes
0 answers
3k views

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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1 vote
0 answers
172 views

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 ...
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6 votes
2 answers
3k views

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 ...
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1 vote
0 answers
31 views

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 ...
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0 votes
1 answer
271 views

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
9k views

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 ...
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0 votes
2 answers
7k views

Problems accessing a Cisco Router from Ubuntu 18.04 via SSH

I have an Ubuntu virtual machine (server) connected to a Cisco router where I'm trying to establish a SSH session to this device. They are connected back-to-back so there is no additional network ...
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0 votes
0 answers
950 views

after upgrading to 18.10 DNS configured in my anyconnect compatible VPN seems to be ignored

after upgrading to 18.10 DNS configured in my cisco anyconnect compatible VPN seems to be ignored. I'm just getting some errors like "systemd-resolved[939]: Server returned error NXDOMAIN, mitigating ...
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3 votes
1 answer
10k views

New Cert for company VPN, now openconnect does not work

So thanks to an "upgrade" at work, we got a new VPN certificate. It is self-signed, and it no longer works. Here is the syslog: openconnect[6002]: Connected to xxx:443 openconnect[6002]: SSL ...
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1 vote
1 answer
4k views

How to connect to VPN L2TP IPsec in Kubuntu 18.04 LTS?

I have to connect to a Cisco Meraki VPN. I am using a fresh installation of Kubuntu 18.04 LTS. I was given a public IP, a VPN user, its password and a pre-shared key. I opened the network manager and ...
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7 votes
5 answers
5k views

Packet Tracer 7.2 freezes while trying to save file [closed]

I have a file topology_1.pkt saved in default save location of packettracer 7.2. Now if I try to save another work with filename beginning with "t" (let's say topology_2.pkt), When I hit "t" from ...
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3 votes
2 answers
3k views

How to save login information on Cisco Packet Tracer 7.2 on Ubuntu 18.04?

Every time I start packettracer, I get prompted for my NetAcad login details. I want to avoid that and have my login information saved. How can it be done?
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