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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.

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What network/device info can be obtained from an iOS device connected to an 802.11u-enabled access point?

In order to perform some device security validations, I need canonical references to what device/hardware/network information can be obtained from an iOS device connected to an 802.11u-enabled access point. There are of course your typical network…
brandonscript
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Cisco 1602: rewriting startup-config from terminal

How do I rewrite startup-config on a Cisco 1602 router without affecting the running-config? Outgoing connections from the router (scp, http) are not allowed. I'm not connected to the serial port, that excludes xmodem and ymodem. Ideally, I want…
proski
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How can we better pinpoint instability issues on our network?

We have a medium-sized network of 600 users, all on Cisco switches. Where the users are allowed to plug in routers, etc. on the endpoints, so that they can use wireless and/or multiple devices in their rooms. The problem is that we are experiencing…
John Darke
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Cisco IOS, restrict IP addresses per ethernet port #

I am configuring a Cisco 881, and am interested in restricting individual ports on the LAN (FastEthernet 0-3). I would like to be able to limit the IP addresses that someone can use based on which port they are connected to. This way IP ACLs in…
700 Software
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Cannot access L2L VPN from RA VPN connected client on Cisco ASA 5510

We have a Cisco 1921 router running IOS 15.1 at one of our branches which is connected via a L2L IPsec VPN to a ASA5510 running ASA 7.2 at our headquarters. The ASA also provides IPSec Remote Access VPN to field based users using the Cisco VPN…
Mtz
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How to make a Cisco AP1142N speak Bonjour?

I have an autonomous Cisco access point (model AP1142N) and an Apple TV that are on the same physical and logical network. Bonjour does not work across the access point — both WiFi-to-WiFi and Wired-to-Wired seem to work, but as soon as multicast…
dorian
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How do get multicast to work on a Cisco AP1240?

I have a Cisco AP1142N in standalone mode acting as a simple AP. On the wired segment of the LAN, there is an Apple TV that is used to mirror laptop screens to a large TV screen. As long as clients are in the wired LAN, they can see and stream to…
dorian
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Having two IP Routes/Gateways of last Resort on an HP Switch

We have an HP Layer 3 Switch that is doing IP routing between vlans. The general set up is that the switch has an IP address on each VLAN and IP routing is enabled. On our servers VLAN, we have a firewall that has a connection to the outside…
SteadH
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Cisco IOS Setting up a password/secret

I'm figuring out the basics to CISCO Ios commands and I am struggling to find out the answer to the following question: What would provide a better protection when you set up a password to allow privileged EXEC enable password blahblah service…
Dempsey FoxDie Van Assche
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iPhone loads Wi-Fi captive portal page over 3G (iOS 6)

I've made a captive portal using iptables NAT redirection and white-listed MACs. This works nicely, and iDevices pop up my login/terms page after association. However, I've noticed that when 3G is enabled, the phone tries to load this page over 3G,…
derringer
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Tool to parse Dell PowerConnect switch configs to make them more readable and diff friendly

I've been working with many Dell PowerConnect switch configurations over the years, and even though their configuration console is quite IOS like, it doesn't manage configuration statements the same way when you print them back using show…
Patrick
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Cisco IOS: How is it possible to break with default config register of 0x2102

The default config register of an IOS device is 0x2102. The table here clearly states that 0x0100 signifies "Ignore Break," and that the default config register employs these options: Ignores break Boots into ROM if initial boot fails 9600 console…
scott.se
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How to whitelist external access to an internal webserver via Cisco ACLs?

This is our company's internet gateway router. This is what I want to accomplish on our Cisco 2691 router: All employees need to be able to have unrestricted access to the internet (I've blocked facebook with an ACL, but other than that, full…
JoshP
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Does IOS 12.4 Basic have the “ip nat pool …” available

Could someone with Cisco IOS 12.4 Basic check to see if the command "ip nat pool" is available? We have 12.2 basic and I know it is in the 12.4 advanced version but our budget is very limited so I am hoping that 12.4 basic has this command. Many…
Ian
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Cisco: show run vlan # vs show run int vlan #

What is the difference between the two commands? Show run vlan # = blank output show run int vlan # = vlan configuration Likewise: show vlans No virutal LANs configured show vlan A bunch of output displaying interfaces and their…
user974896
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