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Questions tagged [cisco]

Cisco is a provider of switches and routers to commercial consumers. Cisco devices run IOS or NX-OS operating systems. This is a generic tag to be used when no more specific tags are available. See the partial list of tags in the full Tag Wiki.

Cisco is a provider of switches and routers to many medium and large companies. Cisco devices often run IOS or NX-OS operating systems.

Since Cisco acquisition of Linksys, the consumer line of switches, firewalls and routers (which do NOT run IOS) have been rebranded under the Cisco name.

This tag is a generic tag - Wherever possible a more specific tag related to the product you are using should be used instead. For example:

, , , , ,

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Best way to reformat a JSON with Ansible?

I have this JSON in a variable : { "device_vlans": { "1": { "name": "default", "interfaces": [ "GigabitEthernet1/1", "GigabitEthernet1/2", "GigabitEthernet1/3" ] }, "20": { …
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Cisco 1841 with Siemens Speedstream 6520 Modem

We have got Cisco 1841 with 2 Fastethernet ports. I have Siemens Speedstream 6520 Modem from my ISP. We are using ADSL (PPPOE connection). Do I need to do anything with the modem. I heard that I have to connect the modem into the bridge mode and…
Hemal
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Line protocol on Interface GigabitEthernet1/0/1, changed state to down

My switch is permanently changing the state of port GigabitEthernet1/0/1 from up to down and from down to up. What can I do? Console Output: Port configuration: Sorry, I have only these pictures. I'm using a Cisco Catalyst 2960-X Series.
MitoCode
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How to connect to a Cisco VPN in "native mode"?

I need to connect to a VPN, but I am not an expert on the subject at all, so if anyone can help me, I would appreciate it. I was given the following data, telling me that this info is for a "Cisco config in native mode". I am going to paste…
forvas
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How do I make a Cisco Pix forward to a specific port?

on a pix how do I make port traffic, port 25 for email in this case, usable by a specific ip address in my spread of IPs? I want to send email to someemail@192.168.0.1 and have the pix send it to port 25 on that IP if it is email and discard it if…
johnny
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Ansible populating a variable based on a json param with a json param

I have a variable containing json: { "ansible_facts": { "ansible_network_resources": { "interfaces": [ { "description": "*** - LOCAL A - ***", "enabled": true, …
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Cisco firewall rules to iptables

Is there any way to covert cisco firewall rules to iptables (preferably through a maintained library or a script)? Also what are the semantic/logical differences between them?
Ryuzaki
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Configure a cisco ASA 5550 behind a modem

i have an internet box that i can setup in router mode or bridge mode. Then i have an ASA 5550, that i would like to use as a vpn server (anyconnect) + later site to site connected to another asa 5550. I think that i am stuck at the level 0. I setup…
Souch
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VLAN Inner Talking

I kinda forgot about CISCO in general, it had been quite a while since I last touched packet tracer. Now I'm on the PRE-deployment phase of a network at work. Long story short. -I made 2 VLAN on CISCO Router and Switch, trunking, encapsulation, all…
Daniel Cruz
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Mac OS built-in VPN client Routing Table issues (Cisco IPSEC)

I have a Macbook Big Sur 11.5.2 and I’ve spent now quite some on this particular issue but I cannot figure it out. I need some help from people that are more expert than me on the matter. Background information Where I’m currently living right now…
Adwen
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Spanning tree causing packet loss between a Cisco switch C3560 and Linux server running on CentOs

I am working in a network environnement where I have some Cisco Switch WS-C3560X-48 and Linux Servers running CentOS 7.7. The linux servers are connected 3 times on my switches : one admin link, one production link and one ILO link because they are…
Doji
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Can I utilize cisco router features during local to local data transmission?

Cisco router is reachable from the internet, external ports are being forwarded to different inside hosts. From external connection on port 1234, it is being forwarded to a internal host 10.0.0.1 running an app on port 443. This whole can be reached…
Ino
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Cisco Anyconnect: does it support Start Before Login (SBL) on Vista?

We have a Cisco ASA 5505 running version 7.2. The current config includes both a site-to-site VPN (ipsec-l2l) and a remote access VPN where users connect using the Cisco VPN client 5.0.06 (ipsec-ra). Because the cisco VPN client lacks support for…
DrStalker
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Cisco RV345 SSLVPN Switch on the network cant connect to my TFTP server over VPN

I am trying to upgrade a Cisco SG200-50 switch boot code via TFTP over a VPN connection. My computer/TFTP Server is 172.21.0.3 which is the SSL VPN subnet of the Cisco RV345 router I am using. The RV345 Router is at 172.21.39.5 The SG200-50 is at…
Andre Savoie
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Cisco VPN endpoints disconnecting from a VLAN

I have a number of Cisco ASA 5505 and PIX 506e around the world acting as VPN endpoints. They connect to a Cisco VPN Concentrator 3000 at HQ. I am using Easy VPN to set up the VPN (i.e. most of the config is central on the VPN Concentrator) The…
dunxd
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