Questions tagged [ssh]
Secure Shell or SSH is a network protocol that allows secure communication. For most it is a preferred alternative to Telnet when available. SSH can use automatically or manually generated keys for authentication.
119 questions
1 vote
0 answers
83 views
Enabling inband SSH on Nokia 7250 IXR-e TiMOS-C-24.10
How to enable Inband SSH on a Nokia 7250 IXR-e with TiMOS-C-24.10? The device can only be reached through the management interface, but not with inband IP, even if they are reachable. I cannot find in ...
- 457
0 votes
0 answers
145 views
What is generating the /isan/etc/dcos_sshd_config file?
I posted this on the main stack overflow page, but then I remembered that this niche existed. Figured it was worth a cross-post... During a recent Nessus security scan at work, some of our NX-OS ...
2 votes
2 answers
2k views
Cisco 9300 switch doesn't connect via SSH
I have a couple of switches that are trunked via a LAN cable from another switch. I noticed that these switches sometimes have a hard time to SSH into. I get the error: "Connection timed out"...
- 21
0 votes
0 answers
49 views
SSH service stops and comes back
I have a logical switch (a stack of DELL switches N1548s). For the last 2-3 days, the ssh service on the switch stops for 1 minute and then comes back. It happens 2 or 3 times a day. Has anyone seen ...
- 1
0 votes
1 answer
7k views
SSH Config on Nexus Switch
Having trouble configuring SSH on 2 Fiber Channel Switches (NX-OS). Any Cisco experts here that can help? I am pretty new with Cisco and having trouble looking for documentation on SSH config for ...
2 votes
2 answers
1k views
Cisco ASA5505/6 - public key authentication does not work with OpenSSH client
I have been unsuccessful at getting public key authentication to work per Cisco Systems on any of our ASA5505 or ASA5506 routers. Despite my best research and efforts, I still get challenged for a ...
- 171
0 votes
2 answers
144 views
Are UDP packets "retransmitted" when dropped by an edge router inside an SSH Tunnel?
A network architect was recently asking about enabling DSCP on tunnels that I create for a VPN-like solution I maintain using ssh to maintain tunnels on linux devices. I thought this was odd because I ...
- 101
0 votes
1 answer
161 views
Can't find a device on my network [closed]
I have a device on my network that is at a static address (192.168.3.1). This device is connected to a network switch, that is also connected to the rest of my network. My problem is that I need to be ...
- 1
1 vote
2 answers
3k views
How to generate cisco key-hash string
cisco IOS stores public keys used for authentication as hashes. cisco obviously does not store the key itself because you can simply copy these key-hash lines between machines and you can authenticate ...
- 195
1 vote
0 answers
86 views
How do I port forward multiple SSH servers? [closed]
I am very new to networking and I have set up ssh on my raspberry pi. I also have ssh on my windows 10 computer. Here is my problem: I would like to have ssh port forwarding on both my raspberry pi ...
- 11
0 votes
1 answer
307 views
L3 Switch as network core and ssh connections
We have several L3 switch as core for our sites (central and remotes). These switchs have multiple IPs for vlan routing. These IPs are gateway for vlans. Is it possible to avoid ssh connections for ...
- 143
4 votes
0 answers
613 views
SSH to ASA on Exit Side Of VPN Tunnel
I have a functioning L2L tunnel between two ASA devices (HQ-FW1 and Branch-FW1 on the diagram). HQ-PC2 - 192.168.10.21 HQ-FW1 eth0 - 192.168.20.2 (outside) HQ-FW1 eth1 - 192.168.10.2 (inside) Branch-...
- 171
0 votes
0 answers
223 views
SSH Key Generation
I have an issue where I can't SSH into to switch due to a connection refused fatal error after a switch rebooted. One of the rsa key that is in the switch that I think is used in the switch is : Key ...
- 13
0 votes
1 answer
4k views
Computers in an unmanaged switch cannot communicate with one another [closed]
TL;DR: I have > 2 computers in an un-managed switch which can't communicate with one another i.e. can't ping or ssh among one another. Long story: As per the diagram my router can reach the ...
- 101
0 votes
1 answer
2k views
How to increase the screen buffer size on a minicom session screen [closed]
I have been trying to increase the buffer size on the router cli which I am connected through a serial cable via minicom session but I am unable to do it. I am connecting to a linux server through ssh ...
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