refers to networking equipment manufactured by Cisco Systems, Inc.

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3
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2answers
1k views

I'm using Cisco Packet Tracer for Simulation and got error “ip address overlaps with..etc”

The 1st row is for my router and the 2nd row is for my LAN. What's wrong? Is my IP addressing and subnetting wrong? I already checked my configuration.
0
votes
1answer
308 views

Error IP Address Overlaps with…etc [duplicate]

Possible Duplicate: I'm using Cisco Packet Tracer for Simulation and got error “ip address overlaps with..etc” The 1st row is for my router and the 2nd row is for my lan ...
2
votes
1answer
572 views

Configuring a GigabitEthernet interface on a Cisco router

I'm trying to set the ip address of a GigabitEthernet interface on a Cisco MWR 2941 router. I have tried the following: config t interface gigabitethernet0/2 ip address 1.1.1.1 255.255.255.255 ...
0
votes
1answer
2k views

Openconnect for Cisco VPN doesn't recognize private key file - asn1 encoding routines:ASN1_CHECK_TLEN:wrong tag

I'm trying to use my Synology DS212 NAS box also act as VPN gateway to my companies VPN. Sadly, they only use Cisco ASA and to complicate stuff even further, we've got to use personal certificates ...
1
vote
1answer
148 views

New router directs inbound requests to own WAN address to the settings page

I just replaced my old DLINK router with a Cisco RV180 (and a new zyxel nwa3560-n as AP). I have forwarded ports 80 and 22(ssh) to my servers local ip. When I use my phone over 3G network, it is no ...
1
vote
1answer
859 views

Cisco ASA5505 site-to-site VPN doesn't establish tunnel to remote peer

The remote peer can start the tunnel successfully when accessing my local network like pinging a local host, however, the tunnel cannot be automatically started from the local side. The log shows no ...
1
vote
2answers
104 views

Access router using Ethernet

I have a Cisco 1800 router at work. I have its IP, username and password. How can I access it using the command prompt in Windows?
1
vote
2answers
5k views

Can't connect to Linksys E2000 router admin interface: Connection refused

I am trying to connect to our router on 192.168.1.1 (correct IP) directly plugged in via Ethernet cable. Connection via Firefox simply gives the can't establish a connection to the server error. ...
0
votes
2answers
366 views

What is the IOS (Cisco) command line is all about? [closed]

1) what are the devices that I can use the IOS command line with them ?? are there any home device or all are for company?? 2) can I use the IOS command line with the linksys router (E1000 or E2000) ...
1
vote
0answers
2k views

Cisco ASA 5505. Site-to-site VPN on backup interface

I have Cisco ASA 5505 8.2(5) - ASA_1 in main office configured with three interfaces: outside - aaa.aaa.aaa.aaa backup - bbb.bbb.bbb.bbb inside - 192.168.10.1 Switching between outside and backup is ...
2
votes
1answer
916 views

Why do I have to use Google DNS on Home Router (CenturyLink)

I have a CenturyLink DDR2200, working with my PrismTV (Same a U-Verse, but its IPTV) For some reason, to use Apple's iMessage, or FaceTime, I have to go into the device settings and change the DNS ...
1
vote
0answers
286 views

'Installing' Cisco SSL VPN license on 891 IS Router

This is a 'what if' question to get me prepared for a job I might have to do in 2 weeks time. I support a charity that has a Cisco 891 Integrated Services router. It's (apparently) able to support ...
3
votes
2answers
175 views

Can we install 2 access points on the same network with different SSID?

I have a network over 2 floors. i had 1 access point on the top floor and need to put another on the bottom floor but with different SSID & password. can it be possible.. Please Help.. Thanks in ...
0
votes
1answer
172 views

How to clear the current line in Cisco IOS quickly?

The title says it all. How can I clear the current line of text/commands quickly while using Cisco's IOS command line interface? If still clueless, this SuperUser question is very similar but it's for ...
2
votes
0answers
143 views

CCNA: OSPF adjency over Framerelay

I set up framerelay and I can successfully ping from R1 to R2. The problem I'm having is that there aren't OSPF advertisements. I explicitly stated broadcast when mapping the IP's. Here are my ...
0
votes
1answer
410 views

Cisco: unable to negotiate IP using IPCP with Windows server

I am connecting to Windows server using PPP (for vpn), I establish connection but server does not respond me for my address requests: *Mar 23 00:40:06.055: Vi1 MS-CHAP-V2: I CHALLENGE id 0 len 25 ...
0
votes
1answer
1k views

Configuring cisco as VPN client

I need to configure 857W as PPTP client. PPTP is officialy not supported (there is no such protocol in request-dialin group) but it could be enabled with "service internal". Any way, my questions are ...
1
vote
1answer
330 views

Saving Cisco IOS configuration on upgrade?

I have Cisco 857W and I need to upgrade IOS. But if I do that, I will not be able to log into it using Telnet; I would need a console cable which I don't have now. How can I upgrade Cisco IOS without ...
0
votes
0answers
425 views

Linksys e3200 connectivity issue (most likely DHCP server configuration)

I have a Linksys E3200 router with a connectivity problem. The router doesn't allow the creation of connections for some reason. I can get the SSID of my wireless networks but when I try to connect ...
3
votes
2answers
23k views

Change the password Windows 7 has stored for a wireless network

I have a new laptop which I used to connect to the guest network in our house. I typed in the wrong password at login and now I cannot type in the correct one. How can I clear or change the password ...
1
vote
1answer
471 views

Communicating between 2 different local subnets

I have the following equipments & specifications 1 Mac OS 1 Windows XP 1 Linksys Cisco WRT600N router My Mac OS will be on a local subnet (example 192.168.1.0/24), and my Windows XP will be ...
0
votes
1answer
472 views

Cisco asa 5505 - can't browse locally hosted website by using it's domain name

I have the following: - Domain with DNS record set to my Public IP - Public IP, via Comcast Modem/Router Sending all web traffic to the Web Server (1st Network Card) - I also Have Cisco ASA5505 after ...
1
vote
0answers
222 views

How do I configure a Cisco 3600 Router as a second router, being SURE to not interfere with the existing production network?

Basically, I would like to set up a little lab here at work. We have a spare 3600 router sitting around, as well as some new-in-box RV042s that will be in production soon. I'd like to set up and ...
0
votes
1answer
551 views

Packetfence blocks the network environment

I am new to the open source network access control solution called Packetfence. I am currently diagnosing Packetfence log files remotely. The network seemed to be running smoothly with Packetfence, ...
0
votes
1answer
632 views

Any home router support Cisco IPSec VPN client? [closed]

I want to buy a router that support Cisco IPSec VPN client, so I can easily access my company's network without connected the VPN on my laptop.
0
votes
1answer
274 views

Cisco routers connected to firewall and switches, tests to see if they work?

I asked this question a few days ago and got a good answer. I have my routers, firewall, and switched connected. How can I do some tests to see if this is all actually working. I have a console ...
0
votes
1answer
155 views

Configuring a Cisco 5505 router

I have a Cisco 5505 router that I need help configuring. I have 3 VLANs set up. VLAN 1 is set for 192.168.1.0/24 subnet. I have one computer hooked up to this subnet with the address 192.168.1.2. The ...
0
votes
1answer
198 views

WinXP workgroup, 3 routers 3 computers

I have 3 computers with WinXP x86, and 3 Cisco 1800 series routers. I'm trying to create a workgroup so that the 3 computers can share files with eachother. They can ping eachother (without any ...
3
votes
1answer
4k views

The Cisco VPN Service has not been started

i'm trying to use Cisco VPN client, but i get the error: Error 56: The Cisco Systems, Inc. VPN Service has not been started. Please start this service and try again. Of course the service is ...
0
votes
1answer
596 views

Why does a network need its own specific address?

I don't understand why there has to be a separate network address. Aren't the DSN submask and the network broadcast addresses enough to identify a network?
2
votes
1answer
718 views

Outdoor WiFi Mesh Topology vs. Repeaters

Here's the current configuration in our organization (which I believe is incorrect): We have a number of Cisco 1500 series AP's (22 in total), that are mounted outdoors to provide seamless WiFi ...
5
votes
1answer
332 views

Poor home office network performance and cannot figure out where the issue is

This is the most bizarre issue. I have worked with small to mid size networks for quite a long time and can say I'm comfortable connecting hardware. Where you will start to lose me is with managed ...
0
votes
0answers
62 views

How to access the router log for given dates

How do you access and print the router log for given dates from a Cisco / Linksys wireless router? We need the October 1-2, 2011 log entries to fight an uploading allegation. Thanks.
1
vote
1answer
3k views

Windows 7 Cisco VPN client hash verification failed

I am having a problem with connecting to a Cisco VPN in Windows 7. According to the below error log I am getting problem is with the group password. But the same password works correctly on my Windows ...
1
vote
0answers
149 views

Start call on Cisco Voip phone with an http link

I don't have any previous experience with IP phones. I'd like to know if there is a way to make a call with a Cisco IP Phone (model 7912) clicking just a web link. Actually the phone is connected to ...
1
vote
0answers
611 views

Wake on LAN & CISCO modem - WOL not possible?

i have a problem since the guys from UPC changed my old cable modem with a new CISCO EPC 3208 model. (It's a VOIP cable modem & i have static IP from UPC/my ISP.) Since then, WOL over the internet ...
0
votes
1answer
315 views

Cisco ASA Firewall VPN connection issue

Sometimes when my co-workers and I connect to the LAN at work from home, we get this weird issue. The VPN connection is established without error, but we cant do a remote desktop on the machines in ...
0
votes
2answers
832 views

Configuring WPA and WEP on Cisco router

I would like to set up my Cisco 877w router with two SSIDs, WPA (currently working in my config) and WEP. I have dumped my current config at the end of this question which is fully working for WPA. ...
0
votes
2answers
108 views

IPsec counter mode - are there implementations?

Counter mode encryption is potentially more robust against lost packets. It is used in SRTP. I assume that if I use counter mode, a lost packet causes a lost UDP packet or TCP retransmission instead ...
3
votes
2answers
3k views

How do I generate broadcast storm?

I started to study networking and I have two cisco switches, and I want generate broadcast storm to test Spanning Tree, How do I do?
0
votes
2answers
366 views

ip pim sparse-mode on Cisco 881-k9

Fistly I am not a Cisco certified person but unfortunately i have to configure a Cisco router. I am trying to configure multicasting with GRE over IPSec and I am stuck because my router ignores ip pim ...
0
votes
1answer
3k views

Need advice on setting up a wireless bridge, both having wireless PCs, without using a repeater?

I wish to setup a wireless bridge between two routers, both of which will have wireless clients; however, I want to do this without using a repeater. I would prefer not to have the bandwidth halved. ...
0
votes
1answer
365 views

Cisco IP Phone to SPA3102 to PSTN

I've just picked up a Cisco 7940G and configured it with SIP firmware (8.2). I'd like to use this as my office phone, communicating with POTS/PSTN via a Linksys SPA 3102 VoIP gateway. In theory, this ...
0
votes
1answer
3k views

How to set a 5 char (40 bit) ASCII password for WEP on a Linksys v8 device

I have a Linksys FW v8, and I want to use wireless password "12345" for WEP. I cant set it up, I just can specify a 64 or 128 bit, I want 40 bit, 5 char long. Is it possible?
2
votes
2answers
866 views

Cisco Wireless AP - How important is hidden SSID

I'm reading the manual for a Cisco wireless AP and they write: Most wireless networking devices give you the option of broadcasting the SSID. While this option may be more convenient, it allows ...
9
votes
5answers
4k views

Why can a network address not be a valid host address?

So... I have studied for CCNA and such and been working with IP networking at the least the past 8 years or so. I have always seen and been told that the network address for a subnet is not a valid ...
11
votes
2answers
18k views

Cisco IPsec versus L2TP/IPsec

I have a VPN service which gives me the option of connecting via PPTP, Cisco IPsec, or L2TP over IPsec. PPTP i know is inferior in terms of security and encryption, but I'm not really sure what the ...
0
votes
3answers
716 views

Can Cisco vpn client .pcf file from a PC be used on a Mac?

i recently switched from a PC to a Mac. I want to know if my previous Cisco VPN client .pcf file installed on my PC can be used on my Mac OS?
1
vote
1answer
133 views

Cisco 7962 cable unpluged with POE

I've got a collection of CISCO 7962 IP Phones powered by POE. On some of them I plug them in to our POE switch and I get an error that the Ethernet cable is unplugged. That strikes me as strange ...
0
votes
1answer
134 views

Could this wireless set up cause this issue?

I have two routers hooked up to a DSL modem. The first is an older Linksys wired router(might be BEFSR41) and the other is a newer Cisco Valet M20. The valet was added on recently to enable WiFi ...