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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28 views

How can one determine what Kerberos key encryption algorithms are supported on a Cisco IOS device?

When attempting to load an SRVTAB over TFTP, I receive an "Unsupported keytype" error: abc(config)#kerberos srvtab remote 1.2.3.4 abc.srvtab Loading abc.srvtab from 1.2.3.4 (via Vlan123): ! [OK - 121 ...
3
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1answer
63 views

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 ...
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3answers
1k 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 ...
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1answer
44 views

Cisco Catalyst 2960S boots to “MLG System”

We have a brand new Cisco Catalyst 2960S that while connected to the console during boot is booting to the following: File ...
1
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1answer
880 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 ...
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1answer
1k views

Cisco - Port's configured trust state is now operational

I am looking at a Cisco switch's log at work and am a bit confused by how verbose it can be at times. For instance, we use automatic QoS here and I often see this when phones are plugged: Mar 18 ...
8
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4answers
192 views

Prevent end-users from purchasing apps on iOS

We are looking to deploy iPads from inside our organization. We want to be able to install apps for users, which can be done via Mobile Device Management. However, we do not want users to be able to ...
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1answer
1k views

How to setup a static multicast ARP entry with Cisco SG300?

We're running a Microsoft NLB cluster in multicast mode as a loadbalancer. Using our old Cisco IOS switches we propagate access to the cluster to our branches using a static ARP entry in the core ...
0
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1answer
87 views

Cisco IOS: Logging only debug messages on command-line

I want to have a quiet command-line such as (config)# no logging console causes. Still, I want to make use of # debug commands. It appears to me that # debug depends on syslog level 7. So I cannot ...
3
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1answer
40 views

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 ...
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2answers
233 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 = ...
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4answers
166 views

Cisco IOS: Show incoming Telnet sessions

According to show ? the show sessions command is supposed to show Information about Telnet connections. Although I'm connected, the sessions does not show up. Both devices run Cisco IOS. How can I ...
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0answers
77 views

Access Server 2008R2 RemoteApp with MS iOS RDP App without RD Web Access

Is it possible to connect to a Server 2008 R2 RemoteApp using the iOS Microsoft Remote Desktop App v8.0.9, across LAN and VPN, with only the RD Session Host service installed? That is, without RD Web ...
0
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1answer
49 views

How to type a £ symbol over console with Cisco IOS?

I've noticed that I'm unable to type a UK-pound symbol (£) over the serial console using Cisco IOS 12.2. The symbol instead is interpreted as a hash (#). If I open the Windows character map and ...
0
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1answer
409 views

Cisco 887VA Port Forwarding Not Working

I have a Cisco 887VA connected to our BT Business Broadband line. We also have another modem on a seperate connection which also handles our DHCP. The Cisco is plugged into our network switch, as is ...
0
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2answers
98 views

How can I use SSH to run Cisco IOS commands in Global config mode?

I know about Kron, but there is supposedly no way to run global config commands: http://www.techrepublic.com/article/schedule-commands-with-cisco-ios-kron/ If I connect using Putty, Putty is able to ...
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0answers
39 views

How can I solve DNS delay on iOS over VPN

When connecting iOS devices to our Sonicwall VPN (L2TP) it takes about 30 seconds before any internal servers can be contacted. It appears to be purely a DNS problem because they can be contacted via ...
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0answers
56 views

WSO2EMM (MDM) Profile Installation Failed - Certificate is invalid

I followed the documentation (https://docs.wso2.com/display/EMM110/General+Server+Configurations) to generate the certificate and depoly the iOS agent but when I try to setup the certificate I have ...
2
votes
1answer
177 views

How can an iPad be unsupervised, if the configurator Mac which supervised it is lost?

When supervising iPad 4 devices running IOS8 using Apple Configurator. What happens if the Mac running Apple Configurator blows up and the backups are lost? I understand that iPads can only be ...
2
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2answers
2k views

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 ...
0
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0answers
43 views

VLAN routing to internet

I am currently setting up a new network and wanted to make sure it is being done in the best way as this is my first time working on a NetVanta 1234P and I am having issues with routing The client I ...
1
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1answer
147 views

3750s not logging mac address changes?

I have enabled mac address change logging on my Cisco 3750s but I'm not getting any results. What am I missing? I've moved hardware a couple times and set up a couple new VMs with totally new MAC ...
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0answers
38 views

How to fix stalled connection on large download

I have a cisco 1921 router performing routing and NAT function. Cisco 3750 is performing layer 3 core switching duties. Users are complaining about large file transfers being stalled (not dropped) ...
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0answers
153 views

Unable to communicate with web proxy server on iOS

I am following the instructions on how to use a HTTP proxy with an iPhone, however I appear unable to communicate with the HTTP proxy. I have configured the settings in my phone correctly to use the ...
0
votes
1answer
85 views

Putty: disable configuration of server terminal length

I would like to prevent Putty from setting the server terminal length so as to avoid the dreaded --More-- prompt in Cisco IOS. Please do not tell me to set length 0 in line config mode because this ...
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0answers
248 views

Trying to change a custom VPN port back to the original on Fortigate 40C

We recently changed our firewall and bought a Fortigate 40C device. We wanted to use our old VPN settings. The Fortigate support technician told us that this model was new and he didn't know it in ...
3
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2answers
402 views

Delay NTP Initialisation, Cisco 877W, IOS 12.4(24)T1

I have a Cisco 877W which I'm using for my home ADSL connection (and as a refresher in Cisco IOS). I've got a working config in-place with my PPPoA connection coming online correctly, and VLANs and ...
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0answers
77 views

C3600 Vlan's convert from IOS V 12.4 to 15.2

I need some help to get vlan's to get working again. I have a c2500 with v12.4 that works with the config above, now with a new c3600 with the same config but with v15.2 I can't put vlan's working. ...
0
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0answers
119 views

SSL Client Certificates on Mobile

Has anyone gotten mobile devices to use client SSL certs with nginx? I have configured a private Certificate Authority and I'm using an intermediate cert to sign client certificates. Clients ...
0
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1answer
47 views

Cisco IOS Show | Filter | redirect

I am new to Cisco IOS and I have one question that I have come across. Please reference this thread. Reference The answer to that thread states that in Cisco IOS you can run a command, filter it down ...
2
votes
1answer
153 views

Cisco 7604 router runs out of memory when loading the IOS image, yet runs a different image with similar reqs

I am experiencing an unusual memory issue with a Cisco 7604 router, specifically the memory on the Supervisor Engine (SUP32-GE-3B) and how it pertains to IOS requirements. I was preparing the router ...
2
votes
1answer
308 views

Packet loss on between firewall and uplink?

I have a moderately complex network topology between my external firewall and the internet, as shown below. Every so often - I haven't found a pattern yet - we're getting a significant degree of ...
0
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1answer
111 views

Version of IOS for Cisco 2900 series? [closed]

Can someone please provide the current version of IOS for the Cisco 2900 series router? I'm having trouble figuring this out based on Cisco's documentation. Thanks.
1
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2answers
63 views

Cisco IOS - Stuck in Read Only Mode

I can't figure out what happened but I can not enable privileged mode in my Cisco 3750. At first, I tried: enable to enter EXEC mode. My password would not work and it kicked me out after 3 ...
4
votes
1answer
106 views

Does Cisco IOS support the use of variables in its configuration?

I'm configuring a Cisco IOS (version 15) router, and I need to use the same values in multiple places; in this case, I need to configure the router's name servers (ip name-server <address>) and ...
0
votes
1answer
493 views

Port Forwarding on Cisco Router

I'm a Cisco newbie, have the 1841, with two ethernet interfaces: interface FastEthernet0/0: Internal Desired destination IP: 186.67.181.140 interface FastEthernet0/1: External World IP ...
3
votes
0answers
324 views

strongSwan 4.5.2 with iOS and Mavericks, Connection Troubles

I am having trouble configuring strongSwan 4.5.2 to work with iOS 7 and OS X Mavericks. I have followed these two guides, but am still encountering problems. ...
0
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2answers
1k views

strongSwan without password on iOS [closed]

I have the following problem: I need to authenticate on VPN with iOS without password, but with certificate only. The reason is I need "VPN on demand", which is active on certificate authentication ...
0
votes
0answers
324 views

Unable to ping from/to Cisco IOS XE (CSR 1000v)

I have a lab that requires connecting an IOL router and a CSR 1000v (IOS XE). Both are set on Vmware workstation 10 - Win 8 within a proper VMnet. The other routers (IOL and XR) can ping each other ...
0
votes
1answer
397 views

iPhone can't authenticate at dovecot

I've set up a mail server running with postfix and dovecot. Mainly configured as described here. Also I created a signed certificate from Startssl.com. IMAP is running on port 993. From my computer ...
0
votes
2answers
2k views

Cisco AP Recovery mode - TFTP issue

I am booting without IOS and I get this prompt: ap: then I issue these commands: ap: set IP_ADDR 192.168.0.111 ap: set NETMASK 255.255.0.0 ap: set DEFAULT_ROUTER 192.168.0.1 ap: tftp_init ap: ...
3
votes
2answers
251 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
303 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
33 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
169 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
1answer
179 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
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0answers
100 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, ...
2
votes
2answers
949 views

Configuring a loopback interface on a Cisco router

I have Router 1 with the following interfaces: FA0/1: 192.168.9.193 255.255.255.224 S0/0/0: 192.168.9.129 255.255.255.224 S0/0/1: 192.168.9.161 255.255.255.224 This is for my assignment at ...
0
votes
1answer
83 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 ...
2
votes
2answers
1k views

Basic IPv6 firewall on Cisco IOS for small network

Now that I have IPv6 connectivity to my network, I'm looking for a basic IPv6 firewall configuration for IOS. It used to be that we could rely on NAT to 'hide' internal (read: outgoing connections ...