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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0
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2answers
25 views

setting up default-gateway on a router

So I've got this weird assignment, where each branch office has to be able to access the main office (and Internet) through a serial connection. Since switches don't have a serial connections ...
-1
votes
1answer
32 views

Cisco Router configuration prompt not working

First of all I am new to Cisco, We are moving from an old T1 to Fiber Optic and I need to configure our Cisco 1841 router to the new IP, DNS, etc. I watch some videos and I get the overall concept ...
-1
votes
0answers
17 views

Commands for monitoring SIP Trunk [closed]

Need help in getting the Cisco IOS commands for monitoring the SIP trunk in the VoIP gateway. For monitoring the trunk usage, binding the calls to specific trunk's channel and all. Please help by ...
1
vote
0answers
44 views

Cisco IOS - terminate a process (kill a process)

How do I terminate a process similarly to kill -9 $PID? I would like to do the same as GNU/Linux offers: For example, a shell is running a Telnet session to a router, but later that router is powered ...
6
votes
1answer
121 views
+50

How to fix Image Swapping Issue in iOS 8 with keep-alive + HTTP Pipe-lining?

Ever since iOS8, the sites I managed are experiencing an intermittent problem in which images are swapping locations with other images. This has been mentioned in a number of places, but with no ...
0
votes
1answer
43 views

c7200 IOS 15.x-x NAT/PAT issue

My problem may be just finger trouble, but after fighting with this for a day on what should have taken 5mins, I am getting fustrated. I am not Cisco Certified at any level, just a fair amount of ...
0
votes
0answers
31 views

NAT and DMZ Cisco ASR 1001

OHAI got weird situation on my two Cisco ASR 1001. First one is WAN router, the other one is CORE distribution inside the office. So I've got one public IP on my WAN, and got this particular line: ...
5
votes
2answers
149 views

How can I automate the deployment of cisco IOS upgrades?

I was googling this and didn't turn up anything. If you have 100 some odd Cisco routers and switches how do you push out new IOS releases? Certain not by manually logging into every device. The only ...
0
votes
1answer
121 views

Why can't I enable SSHv2 on my Cisco 3750X?

It seemed simple enough: use ip ssh version 2. This was the result: 3750xCoreStack(config)#ip ssh version 2 Please create RSA keys to enable SSH (and of atleast 768 bits for SSH v2). ...
-4
votes
2answers
68 views

Cisco 2801 - ACL example to prevent certain users in same subnet from accessing certain devices [closed]

May be a simple answer, but does anyone have an example of an ACL that would prevent certain users (preferably based on MAC address, so that I can not have to deal with static DHCP addressing) from ...
0
votes
1answer
55 views

Is there a Cisco IOS command for finding out the serial number of a switch / router?

I am doing an inventory of all of our switches and I was wondering if there's a Cisco IOS command that will return the serial number for a switch and router? Thanks in advance!
0
votes
0answers
26 views

Cisco IOS AAA “TACACS unavailable” login message

A while ago I had to configure some routers to use TACACS+ as well as local authentication. I know the usual AAA config for TACACS+ with local fallback. What I can't remember is how I got it to ...
0
votes
0answers
110 views

How to setup Cisco IOS with multi public IP's

I'd like to set up a little network environment. We have bought 2 different subnet from our ISP. The WAN internet connection : xx.yy.81.61/26 WAN gateway: xx.yy.81.1 First subnet : xx.yy.81.80/30 ...
0
votes
1answer
56 views

Filter OSPF routes redistributed by BGP

I am redistributing OSPF routes inside a network, through BGP. However I don't want to redistribute all the advertised routes from OSPF (specificaly the private networks) to the outside of the AS. How ...
1
vote
0answers
42 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
votes
1answer
129 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 ...
1
vote
1answer
72 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 ...
0
votes
1answer
372 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
votes
1answer
62 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 ...
0
votes
4answers
564 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 ...
1
vote
0answers
95 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
votes
1answer
77 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 ...
1
vote
1answer
79 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 ...
0
votes
2answers
229 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 ...
2
votes
1answer
413 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 ...
1
vote
1answer
80 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 ...
0
votes
0answers
99 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 ...
0
votes
0answers
50 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) ...
0
votes
0answers
386 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
172 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 ...
0
votes
0answers
168 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
votes
0answers
172 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. ...
2
votes
1answer
241 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 ...
0
votes
1answer
168 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.
4
votes
1answer
125 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
2k 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 ...
0
votes
1answer
81 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 ...
1
vote
2answers
87 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 ...
3
votes
0answers
393 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. ...
2
votes
1answer
586 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
votes
1answer
630 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 ...
1
vote
0answers
319 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 ...
1
vote
1answer
235 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 ...
0
votes
0answers
386 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
572 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 ...
3
votes
2answers
339 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
654 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
211 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
217 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
101 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 ...