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What is the equivalent of "clear line con 0"?

What is the equivalent of clear line con 0 in Cisco IOS? I'm using serial-getty@ttyS0.
viator's user avatar
  • 57
0 votes
1 answer
22 views

cant start dhcp server

Using debian, and installed isc-dhcp-server via the following command sudo apt -y install isc-dhcp-server After agreeing to any dependencies, the follow error message was thrown Job for isc-dhcp-...
IvanP's user avatar
  • 1
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0 answers
146 views

Discord disconnect when on Cisco VPN (Multi-protocol VPN client (openconnect))

i would like to ask for advice. I have Fedora 38 and I am also using Discord there. Problem is, that anytime I connect to VPN (which I need for work), discord disconnects. I have tried to completely ...
Tom's user avatar
  • 13
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0 answers
77 views

How can I make my routers DHCP server issue a IP so my QEmu VM can be accessed anywhere from the network?

I have an Ubuntu 20.04 machine running Docker and LXD. Therfore it has a Docker0 bridge and a LXDBR0 bridge. I need to connect a QEMU VM (vManage) to my local network so I can access it from any ...
Definity's user avatar
  • 101
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0 answers
757 views

Serial port to cisco switch no input or output showing

I was able to console into Cisco switches fine until this morning using: cu -l /dev/ttyUSB0 -s 9600 But as of this morning, it shows connected, but no output or input is displayed. Here are the the ...
Matthew Cardinal's user avatar
1 vote
1 answer
1k views

perform ansible task if string doesn't exist in a multiline register

I want to push configuration for network devices only when that configuration is missing, by searching for a string in the registry output, first I run this task to record the running config on the ...
Somayyah Mohammed's user avatar
2 votes
1 answer
330 views

ansible telnet isn't working

I am trying to use the telnet command with ansible expect module to push initial configuration but it's not working, I am suspecting the issue is with the responses section, here is my playbook: - ...
Somayyah Mohammed's user avatar
0 votes
1 answer
730 views

telnet with ansible to cisco switch isn't working

I have a cisco switches in my lab, since they initially have telnet connection configured I want to use it for initial configuration with ansible (SSH access, hostname, domain ... etc). I'm trying to ...
Somayyah Mohammed's user avatar
0 votes
1 answer
288 views

Moquery & Grep - Returning results for classes without a specific attribute

Good afternoon! I'm looking to execute a query on a number of classes and return only those classes that lack a specific attribute. For example, In the program I am using, assume that I have a class ...
Jakezxz1's user avatar
2 votes
1 answer
14k views

diffie-hellman-group1-sha1 key exchange on Ubuntu - Issues

I've been trying to setup Ansible to connect to some of our legacy production switches to take regular backups. I'm running into the issue that many have faced, for example here. I've created a file ~/...
a_JW's user avatar
  • 23
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1 answer
1k views

IGMP v3 JOIN sent but no traffic from switch

I'm trying to join an IGMP multicast stream from a Centos 8 machine but after sending a JOIN, there is no traffic coming from the switch. Simple connection: MUX <-----------> cisco3850 <------...
Danny's user avatar
  • 613
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1 answer
74 views

Serial Pins on Cisco MX100

does anyone know the Serial Pinout on a Cisco Meraki MX100? Inside Pictures: https://i.sstatic.net/aQjGw.jpg
Erik's user avatar
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1 answer
730 views

Cisco AnyConnect libgtk-x11-2.0.so.0 error on Arch

Stuck with problem on running cisco anyconnect on my archlinux. It says error while loading shared libraries: libgtk-x11-2.0.so.0: cannot open shared object file: No such file or directory. Tried to ...
Andrew Bazylskyi's user avatar
1 vote
4 answers
30k views

SSH to Cisco device fails with diffie-hellman-group1-sha1

When trying to SSH from my Debian box to a Cisco router, I got the message: Unable to negotiate with 192.168.1.1 port 22: no matching key exchange method found. Their offer: diffie-hellman-group-...
Peet's user avatar
  • 41
2 votes
1 answer
2k views

Uninstall Packet Tracer which is installed using wine

I have installed Packet Tracer 7.2.2(.exe file) using wine and have uninstalled it using the same uninstall.exe file provided. When uninstalled all the files of packet tracer are removed except the ...
Rakesh Nara 10's user avatar
0 votes
0 answers
65 views

Veth and Cisco nx-os

Ok, so I've been toying with veth links for my Cisco routers and they have been working fine. However when you throw in a virtual switch like the Cisco nx-osv or vios l2 image, using veth interfaces ...
Heath C's user avatar
2 votes
0 answers
124 views

Keyboard input to a serial console redirected to telnet

I'm trying to install a Cisco Nexus 9000v VM on VMWare Workstation on a Linux machine. That's how far I got: After importing the .ova file I set up a serial console in the VM settings whereby I chose ...
The Becheesus's user avatar
1 vote
0 answers
3k views

How to make Cisco Webex Meeting desktop app work in Ubuntu?

I have Ubuntu 16.04. I downloaded Cisco Webex Meeting for Windows and installed via wine (version 5.6). There is yet no native Linux version. The app itself opens fine through wine. However, when I ...
luchonacho's user avatar
0 votes
1 answer
37 views

How to merge 4th field into 1 line instead of 2

This is show version output in Cisco APIC. As you can see, it has weird output whereby the hostname of controller AB_CDE_FGH_IJ_ACI_APC-0001 is seperated into 2 lines. The same thing goes with other ...
user11392987's user avatar
1 vote
3 answers
110 views

Delete new line from Cisco "show switch" output and join it with previous line

Delete new line and join it with previous line This is partial sample output of show switch command in Cisco ACI. Serial Number Name ---------------- ------------------ ...
user11392987's user avatar
0 votes
0 answers
1k views

No response from target (vpnc)

I'm setting up a new VPN, provided by my university, using vpnc. I enter all the details exactly as they tell me, including gateway domain, ID, secret group password, plus my Xauth details. Then run ...
luchonacho's user avatar
3 votes
1 answer
4k views

Route all traffic through openconnect

I'm trying to connect to a business VPN (Cisco AnyConnect). I'm utilizing openconnect and a connection has been established. That connection is also seen by the ip add command. The default route ...
Gjert's user avatar
  • 131
0 votes
1 answer
614 views

How to grep Cisco interface name and all IP Addresses under that section

This is sample of Cisco config file which I get from https://resources.intenseschool.com/mpls-basic-configuration/ and modified it a little bit to make it relevent to this question. I saved it to ...
user11392987's user avatar
1 vote
1 answer
985 views

Cisco AnyConnect VPN | Keys Not Recognized

I am connecting from home to work using Cisco AnyConnect Secure Mobility Client, in a browser window. Everything works, but the key press events for [ and \ are not recognized. My keyboard works fine ...
radumanolescu's user avatar
5 votes
1 answer
6k views

Screen keeps terminating when trying to console in to routers

I am having trouble with screen. It keeps terminating every time I try to console into my routers. eric@pop-os:~$ screen /dev/ttyUSB0 [screen is terminating] eric@pop-os:~$ screen /dev/ttyUSB0 [...
Eric's user avatar
  • 55
1 vote
0 answers
713 views

What route 0.0.0.0 0.0.0.0 0.0.0.0 mean?

when starting Cisco AnyConnect I get: $route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 0.0.0.0 0.0.0.0 U ...
Adrian's user avatar
  • 701
0 votes
0 answers
65 views

Any way to "forward" an IM from jabberd2 to users on Cisco XMPP?

I use a jabberd2 MUC to monitor server status from Graylog and Nagios. The helpdesk guys would like to be able to join the MUC, however they are on Windows (I'm on Linux) and have a Cisco jabber ...
Server Fault's user avatar
0 votes
1 answer
295 views

FreeBSD Ethernet Port Bonding

After reading about FreeBSD aggregation we think we are set but it's still not clear to me. Switch is a Cisco 2960S (software 15.x), Client is a Mac Pro running Mavericks. I don't know if the BSD ...
David Sain's user avatar
1 vote
1 answer
873 views

Grep regular expression to show only serial numbers (defined length containing Alpha & Digit) in CSV File

I have a lot of (huge and chaotic) CSV files with a bunch of (Cisco) serial numbers. My goal is to extract them (BTW: And to call the Cisco API later on for getting service/support coverage feedback) ...
SchmuFoo's user avatar
15 votes
5 answers
22k views

How can I use openconnect in the background

I am going to connect to a VPN using openconnect on CEntOS 7 terminal. I only have one terminal because I am on a SSH session. I need to connect to the VPN using openconnect. I do so like this: ...
Mehdi Haghgoo's user avatar
2 votes
2 answers
8k views

How do I stop a telnet session from timing out?

I connect to a Cisco router using telnet. The connection times out every 3 minutes. How do stop my telnet session from getting disconnected from the router due to a timeout. I understand that ...
Khaled Abuelenain's user avatar
1 vote
1 answer
2k views

strongswan ikev2 cisco traffic selectors inacceptable [closed]

Trying to connect StrongSwan to a Cisco ASA (not mine) But I get traffic selectors inacceptable In the following logs Shouldn't 172.17.100.198/32 be a public ip address? looking for a child config ...
jvodan's user avatar
  • 21
0 votes
1 answer
475 views

Context-Sensitive Help like Cisco iOS (Switch and Router Management CLI)

I haven't found anything like this available for linux but as a Network Tech/Admin I really appreciate the good old Cisco iOS approach to listing optional commands. Where Bash would tell me "command ...
Tmanok's user avatar
  • 227
2 votes
1 answer
9k views

Cisco AnyConnect on Raspbian [duplicate]

How can I use Cisco AnyConnect on Rasbian OS? apt-get install anyconnect is not possible.
Bugra Han's user avatar
6 votes
1 answer
10k views

How to stop openconnect from changing DNS settings

Since my college is using this horrible Cisco AnyConnect VPN, I am trying to find my way around their client software and discovered openconnect. So far it works great and thanks to a different ...
comfreak's user avatar
  • 161
0 votes
1 answer
6k views

How can we change gateway in netstat -rn output

root@prateek-desktop:~# netstat -rn Kernel IP routing table Destination Gateway Genmask Flags MSS Window irtt Iface 192.168.0.0 0.0.0.0 255.255.255.0 U 0 0 ...
Prateek Manocha's user avatar
6 votes
2 answers
70k views

From 192.168.0.146 icmp_seq=1 Destination Host Unreachable [closed]

root@prateek-desktop:~# ping 192.168.0.1 PING 192.168.0.1 (192.168.0.1) 56(84) bytes of data. From 192.168.0.146 icmp_seq=1 Destination Host Unreachable From 192.168.0.146 icmp_seq=2 Destination Host ...
prateek manocha's user avatar
2 votes
0 answers
1k views

Asterisk and NAT: SIP and IAX registration failed on remote connection behind NAT

I set up two asterisk servers (on Fedora) in different networks. My goal is to make a call from softphone (on windows lite with ip: 192.168.20.3) to the asterisk server 2 which is in the other network ...
Y. Dabbous's user avatar
1 vote
0 answers
317 views

Asterisk: SIP and IAX registration failed on remote connection [duplicate]

I set up two asterisk servers (on Fedora) in different networks. My goal is to make a call from softphone (on windows lite with ip: 192.168.20.3) to the asterisk server 2 which is in the other network ...
Y. Dabbous's user avatar
1 vote
0 answers
3k views

Install Packet Tracer on ARM devices

Cisco has released a packet tracer version for Android, do you know if is possible to install packet tracer on an ARM linux device (e.g. Raspberry Pi or ARM Samsung Chromebook?)
rodrunner's user avatar
  • 131
1 vote
1 answer
862 views

Multiple telnet connection in Expect while loop

I need to get the serial number of some devices listed in a file like this: device_id,ip_address BIOTERIO, 148.000.00.189 N7K-LAN(JAF1651ANDL), 148.000.0.192 LAB_PESADO, 148.000.000.130 ...
Cesar Alejandro Villegas Yepez's user avatar
2 votes
3 answers
1k views

How to retrieve certain fields from the output of "CDP neighbors detail"?

I've got a text file that contains CDP neighbors detail terminal output that looks like this: show cdp neighbors detail ------------------------- Device ID: BIOTERIO Entry address(es): IP address: ...
Cesar Alejandro Villegas Yepez's user avatar
2 votes
1 answer
6k views

Cisco ASDM on Ubuntu 16.04

How do I tweak [Java on?] Ubuntu 16.04 so that Cisco ASDM (the GUI interface for their ASA firewalls) can run?
user3657173's user avatar
1 vote
0 answers
53 views

FTP connection issue in UNIX

So cisco intrusion prevention system(IPS) runs on UNIX platform. we have been facing this FTP issue where the three way handshake gets completed, the ftp sends a FTP 220 request to the IPS. But the ...
user56655's user avatar
2 votes
5 answers
16k views

Not able to run Cisco Packet Tracer 7.0 even if installation is successful

I use Kali Linux and I am having a problem in running the Cisco Packet Tracer v7.0. I have downloaded the PacketTracer70_64bit_linux.tar.gz file from www.netacad.com/group/offerings/packet-tracer/. ...
Roushan's user avatar
  • 21
0 votes
1 answer
538 views

Backup Cisco with expect

I was setting to backup the running config but carried out not do as I like, how I can dump the data in txt? #!/usr/bin/expect -f set force_conservative 0 ;# set to 1 to force conservative mode ...
user1980835's user avatar
2 votes
1 answer
3k views

Garbage characters when using serial connection over SSH connection with minicom/screen

I have a serial connection made with /dev/ttyUSB0 locally from my laptop to a cisco lab router and using minicom/putty/screen all work fine locally (hardware control: on, software control: off, 9600 ...
Nate's user avatar
  • 29
0 votes
1 answer
226 views

connection to multiple switches from /etc/hosts and export multiple commands output to file

Actually I'm concerning how to log multiple switches listed from /etc/hosts and run on each few commands and store the output to one log file on main linux host. Second question may ask how to connect ...
Mac's user avatar
  • 53
5 votes
1 answer
5k views

Linux interface RX Packet Dropped with LACP and not doing loadbalacing

OS: CentOS 6.6 / 64bit / Kernel 2.6.32-504.30.3.el6.x86_64 I have bond0 interface with following configuration. Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009) Bonding Mode: IEEE 802....
Satish's user avatar
  • 1,652
2 votes
1 answer
20k views

set variable in bash script with EXPECT

I have a bash script which can login to Cisco switch and shut/noshut any port I have defined in it. What I want is that I can add variable, like I can define port number in a command like this: ./...
Syed Jahanzaib's user avatar