refers to networking equipment manufactured by Cisco Systems, Inc.

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0
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1answer
328 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
909 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
112 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 ...
4
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
392 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
398 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
4k 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
923 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 ...
12
votes
2answers
20k 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
748 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
138 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
138 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 ...
0
votes
1answer
488 views

Cisco 831 VLAN config

I'm looking for a simple, fast way to configure a Cisco 831 router to do VLAN untagging. I'd like to do something like this: PORT 1 (E0) VLAN 1,2,3,4 tagged PORT 2-4 (E0) VLAN 2,3,4 ...
1
vote
1answer
1k views

Create site-to-site VPN from linux to Cisco - possible?

I have a question that I have not found a definitive answer on, but am hoping someone here can chime in and either point me in the right direction or crush my hopes and dreams. I have a Cisco ASA ...
0
votes
1answer
473 views

Explain a simple network diagram?

In the image below, are bridge1, bdidge2 and bridge3 connected to each other? and how? i tried to design this in Cisco packet tracer and i used a hub to connect the three bridges? is that right?
0
votes
1answer
2k views

How to share printer across two VLANS on Cisco WRVS4400N?

As the title says, we have two VLANs at the office, one for authorized users and one for guests. The first VLAN contains some resources that should be only for authorized users, but the printer should ...
0
votes
1answer
910 views

WiFi network speed. No difference in wireless N and wireless G networks

I have a Cisco E3200 Wireless N dual band router and external drive with USB2 support attached to it. The drive is shared across my network. My laptop has G WiFi adapter, so it can connect with 54Mbps ...
28
votes
3answers
56k views

Does it make sense to keep different SSIDs for 2.4GHz and 5GHz wireless networks?

My router can have different SSIDs for 2.4 and 5 GHz and I'm not sure if it's better to have the same SSID or not. Initially I put the same network but I got confused when the MacBook Pro displayed ...
1
vote
2answers
325 views

What processor does the Cisco SRP500 Series router use

Can someone tell me which processor is used in the Cisco SRP 500 series routers, specifically the SRP547w? I've been trawling Google, the Cisco website and documentation but can't seem to find any ...
7
votes
2answers
4k views

HTTP SSL VPN Client? (alternative to Cisco's AnyConnect VPN)

Is there any free HTTP SSL VPN clients around, one that can act as an alternative to Cisco's own HTTP SSL VPN client (called AnyConnect)? The Cisco AnyConnect client has acknowledged problems, with ...
4
votes
3answers
3k views

Cisco Router/Switch with MacBook Pro OSX Lion

What I have: MacBook Pro with OSX Lion Very old Cisco Router and Switch Two Crossover Cables (1 Cisco Console to Serial and 1 Cisco Console to Cisco Console) One Serial to USB Cable I am very new ...
0
votes
1answer
492 views

What is 10G? Is my switch 10G?

What is 10Gactually ? I have a Cisco switch ( http://www.cisco.com/en/US/products/ps10898/prod_models_comparison.html) And it has 2xSFP interface and 10 x 10Base-T/100Base-TX/1000Base-T. ...
2
votes
3answers
6k views

Reset gargoyle router to default

I have a Linksys WRT54GL router with gargoyle installed. Unfortunately, I've forgotten my password so now I'm trying to reset it. I've already tried the 30/30/30 hard reset method, but it didn't ...
1
vote
1answer
726 views

ip-up does not trigger when using built-in cisco vpn on mac osx lion

I am using Cisco VPN client over lion and I want to make the ip-up and ip-down work. There is no sign of any action taken when I connect or disconnect this VPN connection. I really doubt whether the ...
4
votes
1answer
2k views

AnyConnect SSL VPN Connected but unable to ping my inside LAN

I am trying to configure Anyconnect SSL VPN and it is killing me, I am able to connect to the VPN on a laptop, witch is able to download the anyconnect client from the ASA and I can also connect to ...
0
votes
2answers
266 views

Using MAC address prefix AB:CD:EF

I'm trying to use tcprewrite to change the source MAC address of some packets. I deliberately chose the prefix AB:CD:EF that does not belong to any hardware manufacturer so that I can distinguish such ...
0
votes
1answer
362 views

Setting 3 routers with GNS3

I have three routers in GNS3, each router connected to first router forming like this, /\ I am using class B address 142.55.0.0 with subnet mask 255.255.255.0 to configure the network. Moreover, I ...
0
votes
1answer
145 views

After auto secure no RIP updates sent

I was configuring/testing a Cisco router (sorry, I don't know the model since I was using NETLAB), and I had RIPv2 updates propagating/updating correctly. I then used the auto secure command to harden ...
6
votes
2answers
3k views

How to auto save a Cisco VPN connection password on Mac OS X?

I have set up a Cisco IPSec VPN connection instead of using the Cisco client on Mac OS X. I like it fairly well, it just sits in the tray next to the clock and allows me to easily connect and ...
1
vote
2answers
757 views

How to set up a home SIP Server/Proxy for multi ring?

I have a sip account which only allows one device to be registered. When i'm at home I want incoming calls to be able to ring on multiple devices. All of these devices are connected to the local ...
0
votes
2answers
2k views

Packet tracer IGRP configuration

I am using packet tracer 5.3 version and I am trying to configure IGRP on it but it doesn't show me igrp under routing protocol selection.Router number is 2621XM.IOS version is 12.2. ...
0
votes
3answers
3k views

Cisco switch Link status Up, Protocol down

I just bought a Cisco 3750X switch and when I did a sh ip int brief command, I see that my TE1/1/1 interface (it's a 10G port) has status up but protocol down. Right now, this 10G port is connected ...
1
vote
1answer
990 views

What is the purpose of a routing protocol? [closed]

I'm studying for CCNA 2 exam. Here's one of the questions. I already know the answer. What I am looking for is the reason why the incorrect answers are...incorrect. =) For example, the question is: ...
2
votes
0answers
2k views

Use an Asus Transformer Tablet with Cisco VPN Connections [closed]

Our company has recently bought an Asus Transformer Tablet, running Android 3 (Honeycomb). I have been tinkering around with it for a while now and have so far failed badly to get this tablet to ...
0
votes
0answers
348 views

Can I bypass the Cisco ASA portal?

Does anyone know how to bypass the Cisco ASA portal page (clientless SSL VPN), so I can access some internal machine directly from outside using a certain group policy? (or otherwise, be creative) ...
0
votes
1answer
695 views

iptables + vpnc + Cisco IP Phone 7941

I have a Linux gateway with kernel 2.6.39 connected to a Cisco ASA 5500 with vpnc. I'm using iptables with masquerading and forwarding to give the LAN access to the tun0 device connected to the VPN. ...
2
votes
1answer
6k views

How can I get Bonjour to work over my wireless network?

I have a wireless network setup using a AP541N Cisco wireless access point. I can connect to shares from Finder with cmd+K over AFP and SMB to the NAS and I can get to the internet, but thats it. None ...
0
votes
1answer
2k views

What Is “Cisco Compatible eXtensions”?

I have found this in my wireless network card's properties in connection. What is this? Should i enable it?
2
votes
1answer
3k views

Home network setup - incorporating Cisco ASA 5505

I am planning to imlpement an ASA 5505 in my home network and I am wondering if this is a valid configuration. I am wondering if it is necessary to have 3 separate internal subnets or if these can be ...
0
votes
1answer
329 views

Not able to answer call

Got a Cisco Sipura SPA 941 hardware phone and I am connected to Asterix (most likely) VoIP server of my provider. I am behind a firewall (ADSL) and I have put my phone to the DMZ zone, so it should ...
1
vote
2answers
960 views

Cisco Catalyst 3750 connected to Cisco ASA 5505 and dropping packets

At the office, I have inherited a network that I am still trying to fully comprehend. I have a problem today with a new connection between: A port on a Cisco Catalyst 3750 [WS-C3750G-48TS-S running ...
11
votes
1answer
25k views

How to configure ShrewSoft VPN to connect to Cisco VPN Server?

What are the steps to connect to a Cisco VPN server using the ShrewSoft VPN Client? It's important to note that there are different kinds of Cisco VPN connections: Cisco VPN with pre-shared key ...
2
votes
1answer
2k views

NAS storage slow network speed (D-Link DNS 323)

i set-up the D-LINK DNS 323 NAS unit with RAID 1 (dual 2-terabyte 5400 rpm drives) it works, but it is slow in copying files between my computer and it (8 minutes to copy 4.5 gig file between NAS and ...
1
vote
0answers
3k views

How to connect site to site from Linux IPsec VPN through a Juniper Junos SRX (210, 240 series) gateway?

It's been almost more than a week, but I seem to have no answer for this and can't really figure out how to solve this: I am using Fedora/CentOS Linux and have a Juniper SRX210 gateway configured as ...
26
votes
8answers
47k views

How to allow local LAN access while connected to Cisco VPN?

How can I maintain local LAN access while connected to Cisco VPN? When connecting using Cisco VPN, the server has to ability to instruct the client to prevent local LAN access. Assuming this ...
0
votes
2answers
2k views

Cisco VPN client failed to enable virtual adaptor

I'm trying to connect to a server using Cisco VPN client 5.0.07.0290 on windows 7 but while it's trying to secure the communications channel it comes up with an error 'Failed to enable Virtual ...
1
vote
1answer
647 views

Cisco IP communicator unreliable for incoming calls - IP address conflict?

My workplace uses Cisco IP communicator as a softphone for employees. I have found it to be quite unreliable for receiving incoming calls. When my wife calls me, she intermittently gets forwarded ...
1
vote
4answers
2k views

2 WAN to LAN, What router do I need?

I've done CCNA a long, long time ago at school, and now I need to use it.. But as you know, you forget things quite easly when not using it :P Ok, I need a router that is able to be connected to 2 ...