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Questions tagged [ios]

The operating system used on the majority of Cisco's routers and switches; a package of routing, switching, internetworking and telecommunications functions tightly integrated with a multitasking operating system. For Apple's mobile device OS, use apple-ios.

309 questions
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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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Why did my Cisco router hang?

We have a Cisco 1841 in our storage IDF that was originally running a 12.4(1) IP-BASE image; I wanted to upgrade to an advancedservicesk9-mz image, but the flash did not have enough space, so I deleted the running image. Later I tried inserting a…
Mike Pennington
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Cisco vs Everything else

A huge debate raged when we were setting up a new phone system. The guys doing the install did not believe in paying high prices for Cisco gear when they could do the same things with lower priced alternatives. From what I have seen Cisco is rock…
Terry
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Cannot ping outside Fa4 on cisco 871w Router

After starting fresh after a write erase and a reload on a cisco 871w. I cannot ping outside of the wan (fa4). I gave vlan1 (default) an ip because apparently the built in "4 port switch" is a layer 2 device so you cannot directly add IPs to the…
jhicks4
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How to redirect Cisco IOS's show output to HTTP URL?

I found there's a redirect output modifier of Cisco IOS ( version 12.2(53)SE1 ), and there's http: URI support: #sh version | redirect ? flash: Uniform Resource Locator ftp: Uniform Resource Locator http: Uniform Resource Locator …
yegle
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Can somebody please explain IOS line authentication?

I'm trying to understand a config on one of our Cisco routers (teaching myself iOS) and have run into a problem with one line. Can somebody please explain the "line enable" piece of the command below and check the rest of my information to ensure it…
Windows Ninja
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Cisco IOS XR version clarification

I've run across this cisco advisory It says: This bug was introduced in Cisco IOS XR Software release 3.6.2 and is fixed with SMU hfr-k9sec-3.6.2.CSCtd74795. The SMU ID for this fix in 3.6.2 is AA03656. This vulnerability has been fixed…
soulSurfer2010
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cisco 870 assign IP

I'll try to be "short." I've successfully enabled http server option on my Cisco 870, now I need to reach it and use the web based configuration. I haven't found how to assign an IP to the router itself. How can I do this?
Lopoc
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Is there a way to submit a batch of commands to a Cisco router and have them execute from the router?

I need to change the configuration of a remote (6 hours' drive) client's Cisco 871 (IOS 12.4.15T) from my location because of some new internet service at his location. To be more precise, I need to change the default route, ip address of the…
atroon
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QoS for Cisco Router to Prioritize Voice and Interactive Traffic

I have a Cisco 891W NATing Voice and Data to the internet over a 10mbit/2mbit connection. Voice traffic gets degraded when I upload large files. Pings time out as well. I tried to configure a QoS policy but it's basically not doing anything. …
TJ Huffington
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cisco router loses configuration on reload even after saving it

I'm configuring a Cisco 3640 and it's not saving simple things like my hostname. I've tried with 'wr' and 'copy running-config startup-config'. Also erased the configuration but no luck. There's no error whatsoever when running the above…
Colin
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Website suddenly doesn't open in Safari and iOS devices

I have this website that was working fine until recently. Now users are reporting that it's not opening in their iphones and ipads. Doesn't matter what browser you try on iOS, it just won't work. Also it doesn't open in Safari when browsed on a Mac…
xperator
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Nginx - SSL forward secrecy and iOS9 support

I'm trying to bring a couple of Linux web servers into line with the current recommendations for SSL - in particular for allowing iOS9 to connect. One server is CentOS 7, the other CentOS 6.4. I have the CentOS 7 machine configured nicely now, with…
Harry Jones
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SMTP errors with iOS devices

I'm trying to diagnose why when an iOS device like an iPhone or iPad is set up to use email with our server for the first time, these errors occur. We choose "Other" from the initial set of choices for provider in setting up the account. You can…
Roberto
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Logging commands on cisco devices

I'm searching for a way to log every command executed on a cisco switch/router, I have a catalyst 2960s with lanbase image, and a catalyst 4500e with ipbase image. I've found a way to log commands executed in config mode with the following…
Ammar Lakis
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