The ios tag has no wiki summary.
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2answers
44 views
Cannot ping outside Fa4 on cisco 871w Router (SoHo)
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 ...
1
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1answer
38 views
Cisco 3925/k9 sub-interface vlan support
I've got a brand new cisco router 3925/k9. I wanted to set up a router on a stick on my network, but it turns out it doesn't support vlan sub-interfaces. I did it multiple times in gns3 simulator on ...
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3answers
40 views
cisco catalyst 2960S, which version of software to upgrade to?
This feels like a dumb question, but here goes.
I have a Cisco Catalyst 2960S switch that is currently running software version 12.2(55)SE3
The most current software listed on Cisco's website is ...
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1answer
73 views
Cisco IOS subnet mask using bit notation
I was wondering if it was possible to use bit notatiton when configuring interfaces, or just in general, within the CISCO IOS. I have friends and others swear that they've been able to before, but not ...
0
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1answer
44 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 ...
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0answers
26 views
Cisco 1901 and SSTP VPN Configuration Issues
I recently deployed a Cisco ISR 1901 into our environment and since then the SSTP VPN has become died. I have tried setting the route but it still is not working. I get the message that the server ...
8
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2answers
511 views
Why is my router CPU at 40% when no processes use more than 2%?
I have a problem, I have a Cisco 1841 running Cisco IOS 15, and I get strange behavior. The CPU usage is shown as 40%, but there is no processes that is using this much CPU power.
Here is an ...
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2answers
121 views
What does the Cisco ASA command “management-access” do?
I'm working with a Cisco ASA 5510. I changed the management interface to a different interface. I used the command "management-access" to get the new interface working, but the old interface ...
1
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1answer
48 views
Allow my OpenVPN server to work behind a Cisco 800 Router
I have an OpenVPN Ubuntu Server working on ip 192.168.1.11
I need to let my roadwarriors use it from anywhere.
I have a Cisco 800 router but I'm not an expert...
I've downloaded using tftp its ...
0
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1answer
40 views
Rebuilding courier message files
I run a mail server on which I have courier imap and pop3 running. Recently I moved some local messages from my machine (previously downloaded with pop3) onto the server so I could use imap. I used ...
0
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1answer
139 views
IP SLA on Cisco 1921 IOS 15.2T
Can someone explain to me why I cannot create IP SLA probes on a Cisco 1921 with the latest IOS (15.2T). It is clearly available for that IOS on that router model on the Cisco Feature Navigator ...
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2answers
83 views
Can I have TCP timouts up to 10-20 minutes?
It it important to rely on TCP guaranteed delivery even in case of mobile client which could disappear in a tunnel for a long time when TCP with standard settings give up and close the connection. Is ...
1
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1answer
39 views
Exchange GAL only showing Company name in iOS search results
My organization uses iPads connected to our Exchange server. When we search the GAL for a person in the company, the results are shown as the Company only (data coming from the 'Company' field in ...
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0answers
48 views
Setting up IIS 7.5 for AD Client Certificates for IOS devices
I am working on getting an iPad to auth to an IIS 7.5 website using a local certificate mapped to a user in AD.
I am not, in any sense of the word, an IIS admin.
I essentially need to setup a proof ...
0
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1answer
50 views
Cisco 12.4 ACL with DHCP-obtained address
I figured this would be an easy one, but I've had a good amount of trouble finding this answer myself. I have a Cisco router that I'm setting up to have my Internet connection on one interface ...
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0answers
88 views
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 ...
0
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1answer
34 views
Cisco 871 IOS BVI: Distinguishing incoming and outgoing
I understand that a BVI is very much equivalent to a network switch. But it includes the benefit of being able to have an access control list.
I am doing this, but I would like to more effectively ...
2
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2answers
109 views
Why do I start at privilege level 1 when logging into a Cisco ASA 5510?
I have created a test user that is set to privilege 15 in the config:
username test password **************** encrypted privilege 15
When I log in to the ASA 5510 I am in privilege 1 according to ...
1
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2answers
136 views
What characters are illegal in Cisco IOS username secret passwords?
I am using username secret to add users with encrypted passwords to our switches and firewall.
I have been battling with the same switches and firewall for a couple of hours trying to get securely ...
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0answers
22 views
Share multiple instances of a single app over WAN
I hope this is the right spot. :) I write software here locally for small businesses, and it's caught on rather well! I've been asked to port what I have at the moment to Mac, iPad, etc. At the moment ...
0
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1answer
81 views
How does Cisco IOS ACL established flag work
You can permit outgoing packets, but then you need to permit the responses. One way is to permit any packet that is a followup to an established connection.
access-list ??? permit tcp any any ...
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2answers
44 views
Can we route video on my redundant link while the primary is up and turn it off if the primary fails over to secondary?
We have a remote location that is currently routing data over a satellite connection.
I am adding a cellular fail over if the satellite goes down.
I have been asked to install video cameras that ...
0
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1answer
137 views
Cisco IOS port forwarding
I'm trying to forward a port to an inside server. I have tried using static nat to forward it and I have opened it up in the access list as far as I know but I can't seem to get it to open.
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0answers
108 views
How do I setup dynamic VLAN assignment on an autonomous Cisco 1142n?
I've gotten my Cisco 1142n autonomous AP configured with every option under the sun, but I still can't get dynamic VLAN assignment working!
I verified the following:
I give priority to VLAN ...
0
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1answer
94 views
Cisco NAT - Sharing single public IP with multiple services
We have this setup on a SonicWall firewall, but I can't for the life of me figure out how to do it on a new Cisco 5520. Here is what I want to do
External_IP1:25 --> InternalMailGW_IP:25
...
0
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4answers
122 views
Cisco 2811 to Forefront - stop broadcast traffic
I recently upgraded from an old ISA to a Forefront box. I'm now receiving a ton of 0xc0040050 errors. The vast majority are to an internal broadcast address - 100.100.100.255. This is a legacy subnet ...
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2answers
81 views
What happens to signed code when root certificates get compromised?
My Windows Server just requested a certificate update related to the compromise of a root certificate a while ago. I remember Firefox, Safari, Flash, the .Net pile of stuff and Internet Explorer all ...
0
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1answer
96 views
Forwarding a port internally - Cisco-881
I have a Cisco 881 on which I forward traffic coming from outside to an internal IP, but if an internal IP accesses the external IP, it gets the Cisco HTTP Server (or a broken connection if i set no ...
0
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0answers
119 views
Route based IPSec VPN Between IOS and ASA
I'd like to do a route based VPN between two sites. The purpose of this is to get remote site traffic passing through a transparent gateway at the headend, instead of using a proxy.
So currently it ...
4
votes
3answers
241 views
How to advertise routes to IPSec tunnels in OSPF using Cisco IOS
I have Cisco 1800 series router (running C181X-ADVIPSERVICESK9-M) with lots of IPSec tunnels. I want to add this router to OSPF and configure it to advertise routes to remote subnets accessible via ...
0
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2answers
61 views
In which cisco router or IOS verson i can use section command like “show run | section eigrp”
I have seen videos in CBT nuggets for ccnp and ccna.
The instructor always uses show run | section eigrp and it looks very good command
But i am trying that in GNS , it says command not found
How ...
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0answers
82 views
Trunk port wont accept the Printer vlan
I have three switches daisy-chained together and I have a printer vlan serviced with a print server off the core (1st) switch. the middle switch trunk port will not accept the printer vlan. I issue ...
2
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1answer
104 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 ...
3
votes
1answer
387 views
Output Drops on Cisco Switch — Counter?
I was always under the impression that the Total output drops was a counter that goes up until it resets (or maybe wraps around 4 billion).
However, this seems to indicate otherwise, or something is ...
4
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1answer
84 views
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 ...
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3answers
300 views
How to obtain Cisco IOS firmware?
Quick and simple question, but I've not been able to find an answer around.
I have a Cisco ADSL router (model 877).
I don't have any Cisco support contract.
How can I obtain an updated firmware for ...
1
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3answers
63 views
Cisco ACL Not Applying
This is probably something extreamly simple but I am executing the following code to block usage of port 80 on ip 192.168.1.50 and it does not seem to be working. The interface is right and I am using ...
0
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2answers
54 views
Cisco XR Interfaces
I'm trying to figure out if a device which is running Cisco IOS XR is affected.
The advisory is published here
Assuming I have the vulnerable OS versions, Now I want to check if I have a Cisco Line ...
2
votes
1answer
677 views
How to disable ICMP redirect packets in Cisco IOS?
I'm studying a "good practices" document for Cisco IOS, and one of its controls tells me to disable ICMP Redirect packets in the router. Sounds reasonable. So I go test it in Cisco Packet Tracker (a ...
5
votes
1answer
213 views
Dealing with iPad DHCP Issue
According to Princeton University, the iPad (and perhaps other iOS devices?) seems to have had various issues with DHCP that exist even on the current version (4.3.3). The current one involves the ...
9
votes
1answer
630 views
How do I create the identity certificate required to setup Mobile Device Management on an iOS device?
I'm trying to provision an iOS device to be managed using the Apple MDM capabilities. Using the iPhone Configuration Utility, I'm trying to create a configuration profile. Under the Mobile Device ...
4
votes
1answer
49 views
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 ...
4
votes
1answer
86 views
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 ...
2
votes
4answers
275 views
Cisco 1800 series router simulation program
I need to know how to program these routers for school, but I need to exercise at home. Are there simulators for the console interface, for learning purposes? I took a look at eBay to get one, but ...
0
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1answer
41 views
Will cisco 3750-e switches run the old ipservices ios code?
was wondering about cisco 3750-e switches. Will they run the old ipservices ios code? Or do they only run the univeral image?
Thanks
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2answers
361 views
Cisco Terminology: flash and nvram
I'm a student that will be taking my CCNA exam in early June and I'm doing alot of practical revision, I tend to get sidetracked by little things such as this question I'm about to post. It's ...
10
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1answer
207 views
Simple Multicast Design
In order to support desktop imaging requirements I need to correct the multicast design on an existing network, but am not well versed in this subject. The diagram below gives a basic example of the ...
0
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1answer
44 views
ios: how to stop output of a show command
Can anyone tell me how to break output of a show command in cisco ios?
Say I don't want to see all of 'show run' and I got the info I need, what keys can I press to stop it from printing the rest of ...
0
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2answers
252 views
Configure hairpinning on Cisco 871 IOS 12.4(15)T4?
I'm a newbie to IOS. In the past I've used consumer routers which seem to have the smarts to automatically route requests to internal hosts addressed by their public name back to the internal network. ...
0
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1answer
225 views
Cannot login to Cisco 2911 over ssh?
30 minutes ago my router is not accepting ssh connection. Well, ports is open (due to nmap), ssh simply hangs on reading from Cisco socket (observation from strace):
/home/rafal/.ssh/id_dsa-cert type ...
