2
votes
1answer
32 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
30 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.
0
votes
0answers
73 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
31 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 ...
10
votes
2answers
179 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 ...
2
votes
2answers
56 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
3answers
586 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
838 views

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 ...
4
votes
1answer
447 views

Why did my Cisco router hang?

We have a Cisco 1841 in our storage IDF that was originally running a 12.4(1) IP-BASE image; I wanted to upgrade to an advancedservicesk9-mz image, but the flash did not have enough space, so I ...
2
votes
2answers
672 views

Factory Reset my Cisco 1841 Router, Serial cable required?

Is it possible to connect to my Factory Reset Cisco 1841 router without the blue com cable? For instance is there a default IP address I can connect through one of the ethernet interfaces? I just did ...
0
votes
1answer
928 views

GNS3 - Emulating a not supported Cisco router (model 881w)

I want to create a new configuration for a Cisco 881w from scratch. So I want to replicate my environment on GNS3. But I cannot emulate a Cisco 881w (which is the router i have) into it. So I am ...
2
votes
2answers
789 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 ...
3
votes
2answers
622 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 ...
0
votes
1answer
239 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 ...
2
votes
4answers
2k 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
votes
1answer
84 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
0
votes
3answers
432 views

List Of Cisco IOS Devices

I want to start playing a bit with Cisco IOS and I have a Cisco WAP200 Wireless Router here, so I want to know if it comes with IOS and also where I can find a list of the IOS devices so I can know ...
1
vote
1answer
868 views

Cisco IOS: Is ip inspect used?

There is a Cisco IOS router with the following code in it. The below code seems to define Context-based Access Control Engine inspection rules. I don't think any of this is used. The only occurences ...
2
votes
2answers
3k views

Restoring a Cisco router config using a config file

I'm working with a Cisco router over telnet (actually PuTTY), and I'm a newbie to ios. I'm slowly getting the hang of it, but have a very basic question: I have issued a show running-config command ...
0
votes
1answer
500 views

BVI vs Bridge routers

What is the difference between BVI and Bridge on Cisco IOS routers?
0
votes
3answers
5k views

Why do Cisco IOS routers hang in the middle of large downloads?

After a few years in use. We have seen Cisco 871 and 851 routers that would hang if you had a single download that was more than 100M large. It is intermittent. Sometimes the problem goes away, ...
1
vote
1answer
518 views

Cisco IOS rewrite http url

Is there a way that I can configure my router to rewrite http requests? So for example, if: http://www.example.com/porn.gif is being accessed, it'll be re-written as: ...
3
votes
2answers
5k views

QoS for Cisco Router to Prioritize Voice and Interactive Traffic

I have a Cisco 891W NATing Voice and Data to the internet over a 10mbit/2mbit connection. Voice traffic gets degraded when I upload large files. Pings time out as well. I tried to configure a QoS ...
0
votes
2answers
459 views

output my Cisco 881 config

how does one "print" the startup config or running config. also what is the best way to import config you have stored as a text file?