Questions tagged [cisco]
For questions about software or hardware from Cisco Systems, including VPN connection issues, wireless routers or adapters, etc.
176
questions
2
votes
0answers
45 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 ...
0
votes
0answers
52 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 ...
0
votes
0answers
11 views
Fail delete, dynamic-map dymymap is used
I am trying to delete/remove a dynamic-map on my router's configuration but unable to do so.
I tried:
no crypto dynamic-map dymymap 5
But it gives error of Fail delete, dynamic-map dymymap is used ..
...
0
votes
0answers
17 views
how to use dynamips to emultate cisco image with physical interface?
i able to run cisco image by this command:
dynamips cisco.image
now i want to add bridged interface to this emulated image like virtual machine is it possible ?
0
votes
2answers
77 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
0answers
12 views
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 ...
0
votes
1answer
138 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. ...
0
votes
1answer
2k 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 ...
1
vote
0answers
628 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' ...
1
vote
0answers
306 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 ...
0
votes
0answers
262 views
Cisco AnyConnect Blocks all ssh connection
I am using VPN to connect to my client, Setup is as below, in my desktop there is a oracle virtual machine is running and there one ubuntu server is installed and in ubuntu-vm cisco any connect is ...
0
votes
1answer
192 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....
0
votes
1answer
98 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 ...
0
votes
1answer
589 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 ...
0
votes
0answers
866 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 ...
0
votes
0answers
251 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 ...
0
votes
0answers
217 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 ...
2
votes
2answers
284 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
1answer
11k 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").
...
4
votes
1answer
1k 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 ...
0
votes
1answer
4k 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-...
0
votes
0answers
59 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 ...
6
votes
1answer
27k 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.
0
votes
0answers
1k 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 ...
5
votes
3answers
13k 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:
...
1
vote
1answer
420 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 ...
2
votes
1answer
1k 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....
3
votes
1answer
1k 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 ...
0
votes
0answers
66 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 (...
0
votes
0answers
833 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 (...
2
votes
0answers
2k 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. ...
1
vote
0answers
727 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 ...
0
votes
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 ...
1
vote
1answer
354 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:
...
1
vote
0answers
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 ...
0
votes
1answer
442 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 ...
3
votes
0answers
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)...
1
vote
0answers
122 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
votes
2answers
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 ...
1
vote
0answers
26 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 ...
0
votes
1answer
252 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
votes
1answer
8k 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 ...
0
votes
2answers
6k 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 ...
0
votes
0answers
938 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 ...
2
votes
1answer
6k 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 ...
1
vote
1answer
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 ...
6
votes
4answers
4k 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
votes
2answers
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?
0
votes
2answers
8k 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: ...
1
vote
1answer
3k 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-...
