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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32 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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24 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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30 views

Connecting to Cisco VPN from Ubuntu 20.04 without a User Password

I've installed the cisco vpnc client including the gnome extension to have it setup in the Settings/Network panel: When I try to connect to the VPN, is asking me for a User Password. My connection ...
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44 views

Cisco IP SLA Responder on Ubuntu 20.4 LTS

So I'm pretty new to the Linux Ubuntu enviroment and I tried setting up a IP SLA Repsonder from a Programm which was shared on GitHub https://github.com/cmouse/ip-sla-responder So I compiled the ...
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37 views

XUbuntu 20.04 VPN installation different to prior version; not possible

In 18.04 I could use GNOME control center to add the cisco vpn plugin. After that it was possible to install the VPNC connection via network manager. In 20.04 the control center is not existing ...
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203 views

ubuntu 20.04 can't install PacketTracert 7.3 [duplicate]

Hi Guys I'am a Network Engineer that was using linux in 5 years before I use Ubuntu 18.04 and now I'm trying to upgrade to Ubuntu 20.04 and then trying to install Cisco PacketTracert 7.3 for our lab ...
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1answer
102 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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1answer
2k 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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0answers
16 views

How to setup IKE VPN Between Ubuntu Server 18.04 & ASA Firewal

I would like to know how best I can have an IKE IPSEC VPN between an Ubuntu server 18.04 and Cisco ASA. Is Wireguard a solution to this problem? I do have hosts behind the Ubuntu Server and Hosts ...
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1answer
63 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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1answer
315 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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57 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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1answer
4k 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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183 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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3answers
6k 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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1answer
189 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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1answer
410 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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1answer
804 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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34 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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446 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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148 views

sshpass not working with cron with Cisco IOSXR

Please help me out here , this simple script here ssh into cisco IOSXR device and put a command then return result to file, When i run it in terminal all ok , But when put it in cron it fails : ...
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209 views

Packet Tracer 7.1. not working nor installing libssl1.0.0

i'm getting following error while running packettracer from opt/pt/bin /opt/pt/bin/PacketTracer7: error while loading shared libraries: libcrypto.so.1.0.0: cannot open shared object file: No such ...
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0answers
1k 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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540 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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2answers
1k 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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0answers
42 views

Cisco AnyConnect and simultaneous local connection

My work rents a SMB share that requires VPN connection using the institute's Cisco VPN client to access if not on site. Is it possible for Ubuntu to connect to a VPN (specifically Cisco VPN) to ...
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59 views

Unable to open Packet tracer in Ubuntu

While trying to launch Packet tracer 7.1 in Ubuntu, I'm getting error below: ./packettracer: line 8: 19656 Segmentation fault (core dumped) ./PacketTracer7 "$@" > /dev/null 2>&1
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241 views

Error when trying to connect Cisco

Cisco AnyConnect was not able to establish a connection to the specified secure gateway. It shows Please enter a secure gateway to connect to. How can I fix this?
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1answer
159 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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0answers
1k 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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1answer
353 views

Understanding how TFTP Server works

I have a 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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0answers
2k 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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0answers
64 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 ...
6
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2answers
2k 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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0answers
25 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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1answer
210 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 ...
4
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1answer
6k 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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1answer
3k 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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0answers
842 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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1answer
3k 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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1answer
3k 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 ...
3
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2answers
2k views

Packet Tracer 7.2 freezes while trying to save file

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 ...
3
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1answer
2k 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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2answers
7k views

Cisco Packettracer fails to start

Trying to install and run Cisco packettracer 7. thufir@dur:~$ thufir@dur:~$ /opt/pt/bin/./PacketTracer7 /opt/pt/bin/./PacketTracer7: error while loading shared libraries: libQt5ScriptTools.so.5: ...
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1answer
2k views

[Ubuntu 18.04]Cannot connect to Cisco VPN

I am trying to connect to some CISCO VPN from Ubuntu 18.04 (which I connect ok from Windows). This is not anyConnect. I installed using: apt install vpnc network-manager-vpnc network-manager-vpnc-...
14
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2answers
15k views

Unable to open “Cisco Anyconnect Secure mobility client” on my Ubuntu 18.04 LTS after the complete installation

I am having problems on a Cisco VPN. ISSUE: Unable to open "Cisco Anyconnect Secure mobility client" on my Ubuntu 18.04 LTS after the complete installation. I am able to see the icon on the ...
2
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1answer
1k views

Cisco Anyconnect: Is there anyway to save password, username and VPN address?

Cisco annyconnect Is there anyway that i don't have to put username,password and VPN address every time i login?
2
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2answers
824 views

Cisco packet tracer isn't displayed in Activities

I installed Cisco Packet Tracer 7.0 on Ubuntu 18.04 but I don't have it displayed in Activities so I have to start it from Terminal every time. How can I make shortcut of Packet Tracer to Activities ...
4
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2answers
8k views

Packet Tracer Segmentation Fault Ubuntu 18.04

I have installed Cisco Packet Tracer 7.1.1 on Ubuntu 18.04. Every time I launch the application it closes and give me a message Segmentation fault (core dumped). Using the gdb, I went to the ...
1
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0answers
3k views

How do I install “Cisco Packet Tracer” on Ubuntu 18.04 LTS? [duplicate]

I have made an effort of installing "Cisco Packet Tracer" on 18.04lts without success kindly can anybody help ?