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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:

, , , , ,

2629 questions
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How to backup and restore configurations on lots of Cisco routers and switches from Linux?

I'm looking for a way to backup, save, version and restore configurations of Cisco network equipments. I need to be able to automatically GET and PUSH configuration files on lots of routers and switches. I'm looking for some kind of Linux…
mimipc
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Is there a command in Cisco IOS to show all routes tagged with a specific tag?

In Cisco IOS, if I have a route-map entry as follows: route-map redistribute deny 10 match tag 65000 100 ! Is there a 'show' command that will give me a list of all routes that will match that stanza? EDIT: To those thinking about using 'show ip…
Murali Suriar
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had a CISCO 2960S dropped in my lap - how to setup the management interface?

Few tasks in the world are more of a joy than to have a chunk of hardware dropped into ones lap with a post-it note that says "configure this for that new subnet". I know my way around Linux/UNIX but have never had to deal with a CISCO router,…
paul lanken
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NAT routing and port forwarding on Cisco ASA 5505

I have inherited my first Cisco router and am having trouble understanding how to do NAT port forwarding correctly. ASA: 8.0.2 ASDM: 6.1(1) I have a single external ip address on the outside (via bridged modem) and a LAN on the inside. The LAN has…
datakid
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Troubleshooting network latency

An apartment complex has fiber internet and is experiencing latency problems over the last month. Tenants frequently experience timeouts and corrupted webpages. The current work around it to refresh the webpage half a dozen times until it loads…
spuder
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Cisco ASA ipsec vs Anyconnect client issue

So I have an iPad that has a IPSec VPN created. I am able to connect from the outside fine and I can access my local LAN files just fine. When I connect with the Cisco AnyConnect client from the same device, it allows me to login but I can't access…
Richard
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Cleanest, quickest way to generate a Cisco VPN .pcf file?

What's the most efficient way to generate Cisco VPN .pcf files for distribution to end-users? This is for ASA 5500-series firewalls. Coming from a Mac workstation, I no longer have access to a working Cisco VPN client. Can this be done outside of…
ewwhite
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Can you ping a Cisco Router's Loopback Interface from a PC using PacketTracer

I may be misunderstanding what you can do with a Router's loopback interface. I am trying to ping it from a PC on the same network. I am using Packet Tracer to simulate this, a Cisco 1841 and a PC from within the program. IPs Cisco 1841: interface…
Jim
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Opening Ports on a Cisco ASA 5505

I am trying to configure a new 5505 but I am having difficulties opening ports that allow traffic in from the outside. My setup is Comcast Business Modem (w/ single static IP) -> ASA (10.0.0.1) -> (dumb) Switch -> NAS (10.0.0.10). I am attemping to…
ids
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Cisco Nexus 5548UP - which side is the 'front'?

The Cisco Nexus 5548UP switch is sold in a both front-to-back and back-to-front cooling options, but which side is considered the front? The side with all the SFP+ ports? The side with the management RJ45 ports? I would want to mount the switch so…
jimbobmcgee
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Cisco NCS - how to mass update AP settings

we have a NCS (Cisco Prime Network Control System) to monitor our wireless network. To update AP names and location i have to search for the ap mac address in the web interface, and configure them one by one. Is there a way to do this…
randoms
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Cisco VLAN across few switches

I have one CISCO SG-300-52 switch in Layer3 mode, and 3 x SG-300-52 in Layer 2 mode. Currently they all connected together with spanning tree loops using link aggregation. I am running 192.168.0.0/16 subnet on this setup. There is a DHCP server…
VL-80
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disable RADIUS for Cisco 2500 wireless controller

I have a Cisco 2500 wireless controller and four lightweight access points. I want to use the controller to manage a wireless network secured by WPA only, without using RADIUS or anything else. We'll handle the authentication using a captive portal…
Tim Vaughan
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Connecting Fiber interfaces on Cisco switches

I'm trying to replace an old Cisco Catalyst 2950 with a new Cisco 3750X. Unfortunately, these SFP's are so expensive, I'm trying to work with what I've got. Please note the diagram to see what connections I have. The core switch is SX, as is the…
armani
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Should the MAC Tables on a switch Stack be the same between sessions?

According to Cisco's documentation: "The MAC address tables on all stack members are synchronized. At any given time, each stack member has the same copy of the address tables for each VLAN." However, when logged into the switch I see the…
Kyle Brandt
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