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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3
votes
2answers
119 views

Split multicast traffic on two vlans using IOS

Here is what I want to do: On a switch / router running cisco IOS ( Ideally it would work on a Lanbase image on a 3560G but it is possible to use 65xx routers also ) I receive two udp multicast ...
1
vote
1answer
49 views

Name resolution failing on Cisco 800 Series

Our ISP is currently in the middle of a major DNS outage and as a result name resolution through the nameservers they provide is not working. I'm trying to add Google DNS servers to our Cisco 800 ...
0
votes
0answers
12 views

Firmware:What can I do with dd-wrt/merlin/tomato that I cant do with ios 12.4/15.1? [migrated]

Was thinking about getting the linksus wrt1900ac when it comes out but I already have a few 2811 routers. Curious as to what the wrt firmware offers that is different from ios. I'd like something for ...
0
votes
0answers
17 views

Is it possible to hairpin on Cisco 851W IOS 12.4(15)T9 and how?

I need machines on the LAN to be able to access by the external address or hostname. If it can't be done, then just by hostname is OK as well, so I thought of just doing it through DNS on our internal ...
0
votes
0answers
32 views

Cisco 861 - Unable to traceroute

I'm having an issue with my Cisco 861. I'm unable to traceroute to any ip address from the router, even the next hop. Can anyone suggest possible causes. Apologies for the censoring but I won't take ...
0
votes
0answers
3 views

UITableViewCell add button [migrated]

I want add some buttons to custom cell,when I click the button and other button change,I clicked button was change.How can I do click a button and other unchanged? enter code here - (UITableViewCell ...
0
votes
0answers
22 views

Adding ip routes for the additional WAN IPs on Cisco IOS? [duplicate]

I have a Cisco 800 series router. FastEthernet0 uses switchport access vlan 100, has one webserver on 10.0.0.2 FastEthernet1 uses switchport access vlan 101, has one PC on 10.0.1.2 FastEthernet4 ...
0
votes
0answers
14 views

Courier IMAP namespace prefix not used by default on iOS

On OSX Mail.app, connecting to my Courier IMAP server, everything is working fine. I can read mails, delete stuff, move it to trash. However, when using the same server on iOS, I get error messages, ...
0
votes
1answer
19 views

MDM Server Apple Certificate: Certificate Signature Verification failed

I want to create a MDM server to manage my iOS devices. I have enrolled in iOS Enterprise Developer program. And executed the following openSSL commands "1. Creating Certificate Authority (CA)" ...
0
votes
1answer
52 views

APP installation - iPhone [closed]

I am trying to automate the installing procedure of iPhone apps (i.e) installing apps for around 5000 phones. For this I am planning to deploy an MDM server in Windows Server 2008 containing Active ...
0
votes
1answer
36 views

Cisco IOS: Prevent Inter-VLAN IPv6 Network Solicitation messages

I have a Cisco 3825 router that (among other things) functions as a gateway to the internet. I have two VLANS, but only one of them should have access to the internet. VLAN10: network = ...
0
votes
0answers
19 views

Cisco IOS log packets dropped due to no NAT entries?

I use access list logging currently, and update the access list to match the NAT table, and then the access-list deny any any log command is used for logging packets that were not allowed. However, I ...
0
votes
0answers
42 views

Site-to-Site VPN not connecting with Cisco 877

I can't seem to get the VPN connection going with my 877. I have an old IOS (12.4) but it looks to me like all the pieces are there. I have compared this config against the Azure-provided (albeit ...
1
vote
1answer
40 views

Certificate 'not verified' when doing 802.x1 authentication on Apple ios

I've setup a new wifi network including a Freeradius server. Everything works fine except that Apple iOS gives a 'certificate not verified' warning when connecting. When the user accept the ...
10
votes
2answers
105 views

How to safely install a new IOS image on a Cisco device when the installed flash memory size isn't enough for two of them?

Today I was updating IOS on a Cisco 877 router, and a problem came up: the installed flash memory wasn't enough to hold both the old and the new IOS images, so the new one couldn't be uploaded unless ...
0
votes
0answers
49 views

Cisco 1841 - Acting as a PPPoE terminator?

We have 2x Fortigate 200B firewalls that we wish to operate in Active/Active HA mode - though, obviously, they cannot do this with PPPoE/DHCP enabled on the externally facing interfaces. To overcome ...
1
vote
1answer
36 views

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 ...
2
votes
2answers
40 views

Show code for specific block in cisco IOS conf mode?

I work with Fortigate gear a lot and in the CLI it's possible to navigate to a node (say config system global then type in show and it will show me the configuration from that block. In IOS I can't ...
0
votes
1answer
43 views

Cisco switch restart doesn't reload config

Something really strange happened to me today. I was configuring a 3750 switch and halfway through the changes I messed up. So I did what I've always done, unplug the power cable from the switch and ...
0
votes
0answers
55 views

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, ...
1
vote
1answer
39 views

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 ...
0
votes
1answer
47 views

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 ...
7
votes
2answers
364 views

Can the iPad remember the iTunes password when using Meraki MDM?

I'm currently using Cisco Meraki MDM to manage apps that get pushed out to company-owned iPads. In order for the company to retain ownership of the apps we purchase, apps are installed through the ...
0
votes
0answers
26 views

CISCO IOS Forward (nat) specific IP to other IP and Port

I've a customer that has a CISCO 7604 as a Border Router.. (Within Network uses Mikrotik, Freeradius, Meraki, etc)... I'm trying (newbie with Cisco) to create a Forward Rule (in Mikrotik is a Nat ...
1
vote
0answers
268 views

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 ...
2
votes
1answer
52 views

cisco ios - syslog version

I am writing small article on Syslog and I was wondering, if there is any resource that tells me what version of Syslog is supported in what ios version? By Syslog version I mean rfc 3164/rfc ...
0
votes
0answers
225 views

Strongswan ipsec <--> iPhone, can't access LAN

I'm trying to connect to my LAN with iPhone, using Cisco IPsec VPN connection. I can connect to VPN, but I can't access any LAN devices. Hardware/Software: Strongswan 5.0.4, running on router - ...
4
votes
1answer
529 views

How do you NAT Hairpin in IOS 8.3+

As I asked here and duplicated here it appears NAT Hairpinning is the answer I'm looking for to allow internal servers to loopback through the ASA to access external IP's (without using DNS ...
1
vote
1answer
246 views

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 ...
2
votes
2answers
143 views

How does Arista EOS and Cisco IOS encrypt tacacs+ encyption keys?

We're using tacacs for AAA on our network devices, and I'm interested/curious in how our devices are encrypting the passwords device side. Following the Arista EOS manual, page 139, I'm running: ...
1
vote
0answers
89 views

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 ...
0
votes
0answers
117 views

cisco SG-300 switch won't add Option82 during dhcp relay

I'm trying to get my SG300 to insert option82 information into relayed DHCP requests. switch#show ip dhcp relay DHCP relay is Enabled Option 82 is Enabled Maximum number of supported VLANs without ...
-1
votes
1answer
79 views

iPad<->Device Ad-Hoc network failures using Auto IP addresses [closed]

We are using the iPad to make an ad-hoc wireless connection to our proprietary device. DHCP is not available, so we are using addresses in the Auto-IP range. The user selects the device from the list ...
5
votes
1answer
174 views

Tag/Untag VLANs from Port Perspective on HP Switch

I'm familiar with vlans and tagging, and we usually use the command line interface for our HP Layer 3 switches. I've done quite a few: vlan 10 untagged 21 I've always wondered if this was possible ...
0
votes
2answers
174 views

Is there an issue with Exchange 2010 Active Sync and iOS 6.1.x?

We are doing a complete server and infrastructure update with a Migration from Exchange 2007 to 2010. Along with the server upgrade we're doing a migration from an old antiquated 192.0.2.x internal ...
0
votes
1answer
85 views

Route maps on dual homed Cisco router

I have a Cisco 1801 on a remote site with dual WAN connections, with route maps to correctly NAT depending on which interface the traffic leaves via. I use IP SLA to adjust the default route from the ...
-1
votes
1answer
114 views

Can 'show mac address-table' be used inside user mode? [closed]

I've been studying for my CCNA exams using Cisco ICND1 Official Cert Guide, Wendell Odom. On one question they ask in which modes show mac address-table can be executed. The answer is User mode and ...
-1
votes
1answer
235 views

Plesk cron iOS notifications randomly stopped working [closed]

Recently, I started getting these cron error from Plesk. This cron controls push notifications to Plesk Manager on my iPhone/iPad. Obviously, turning off the cron stops the error but I want the cron ...
1
vote
2answers
177 views

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 ...
0
votes
1answer
111 views

Is it possible to configure a Cisco router to serve as a Teredo relay?

The router in question is a Cisco 871, show version as follows: Cisco IOS Software, C870 Software (C870-ADVIPSERVICESK9-M), Version 12.4(24)T8, RELEASE SOFTWARE (fc1) Technical Support: ...
0
votes
3answers
427 views

Cisco 881 throughput/bandwidth issue

We have a dedicated 30Mb connection (up/down) from our ISP, but we can only seem to get 10Mb (up/down) from the router. Does anyone know what we're missing, or how we can tweak the settings on this ...
0
votes
1answer
402 views

Cisco IOS Router and Azure VPN - tunnel established, but traffic is not flowing

I am trying to connect a Cisco IOS router to Azure via the IPSec VPN. I have used the Cisco ISR template to establish a tunnel from my router to Azure. In the Azure control panel, I can see that the ...
1
vote
2answers
106 views

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 ...
1
vote
1answer
117 views

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 ...
0
votes
1answer
20 views

Temporarily reduce Cisco trust level

I'm a new network admin and I'm looking through the various config files we have in our routers/switches/asa. I'm wondering if there is a way to lower trust level that my login has from 15 to ...
0
votes
2answers
55 views

Cisco Archiving of Logs - Rebooting device resets file count but doesn't remove files

We are using the cisco IOS feature of configuration archiving and it has been very useful. One thing we are finding is that we have set the maximum file count to 14, which is fine. Except when we ...
0
votes
1answer
235 views

Cisco ASA 5520 is missing management interface

The ASA 5520 show version shows the following Cisco Adaptive Security Appliance Software Version 8.4(2) System image file is "Unknown, monitor mode tftp booted image" Config file at boot was ...
-1
votes
1answer
159 views

Is it possible to log Active Directory users internet activity on a Cisco Firewall-IOS router?

We are looking at replacing our Forefront TMG server with a combination Cisco ISE VMware instance and hopefully an Active Directory integration with our edge router. We need to log all authenticated ...
0
votes
3answers
333 views

c1841 unable to recognize HWIC-1T (smart serial) card. any idea?

I have this problem where c1841 router unable to verify HWIC-1T card (with smart serial connector), you have to know that i have other routers with IOS c1841-ipbasek9-mz.151-4.M5 and ...
0
votes
1answer
298 views

IOS Port Forwarding and NAT involving a VPN

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 8.2 at our headquarters. The network looks something like this: ...