IBM T23 Laptop / Private Ip Addressing?

May 8, 2011

I have a IBM T23 laptop that I have reformatted and am trying to log onto my wireless internet via a linksys pcmcia card which When I try to connect it tells me I have private IP address and I am not sure how I can reconfig so that I can connect via my router to the internet.

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Ip Addressing Class B And C?

Oct 31, 2011

can i use both class B and class C at the same time?If so, what should i do with class B? and with the other Class C?i got 500 computer into 5 segments

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IP Addressing In Class C?

Mar 4, 2012

I need to provide logical addressing this network using class C but I have been given no address to start with, only the network diagram:

[URL]

How do I even start this? How do I know which address to use?

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Cisco :: Switch IP Addressing

Jan 2, 2013

I'm on my way of taking the CCNA Exploration, and even though I haven't got to the LAN Switching and Wireless course, one question does bug me. In your average LAN, does your average switch has an ip address, or is it a 'dumb' device like a repeater ? Is the same true for layer 2 switches and layer 3 switches or is there a difference in terms of IP addressing ? Can you even assign an IP address to a switch ? Would you want to do that and why ?

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Cisco WAN :: ASA / 2911 / PBR And IP Addressing?

Jan 28, 2011

I am looking at this doc to use an ASA + 2911 to do Policy Based Routing with multiple ISPs.From the linked doc, under the PBR scenario, what should the IP addresses be for the routers connection to the ISPs?  It isnt labeled.

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Creating An IP Addressing Scheme For Each Subnet?

Jan 30, 2012

I have been assigned to create a basic IP Addressing Scheme. The company has a single class B private address range of 172.16.11.0/16 and it needs to be divided into four subnets. They are all based on a single router.

Subnet A: 500 hosts
Subnet B: 200 hosts
Subnet C: 50 hosts
Subnet D: 20 hosts

How can I subnet them correctly and how would I make an addressing scheme for each subnet? (Host range, server, peripherals, gateway address? etc.)

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Cisco Wireless :: Keep Getting DHCP Timeouts 169.254.x.x Addressing?

Jan 17, 2012

Keep getting DHCP timeouts 169.254.x.x addressing.  I think that the client laptop is not giving a response to the REQ from the DHCP server.  Am I correct in my interpretation of the debug?
 
00:21:d7:93:f9:40 from Disassociated to Idle
 *apfReceiveTask: Jan 18 13:48:24.162: 58:94:6b:d0:41:08 0.0.0.0 DHCP_REQD (7) Deleted mobile LWAPP rule on AP [00:21:d7:93:f9:40]
*apfReceiveTask: Jan 18 13:48:24.162: 58:94:6b:d0:41:08 Username entry deleted for mobile
*apfReceiveTask: Jan 18 13:48:24.162: 58:94:6b:d0:41:08 apfMs1xStateDec
*apfReceiveTask: Jan 18 13:48:24.162: 58:94:6b:d0:41:08 Deleting mobile on AP 00:21:d7:93:f9:40(0)
*DHCP Proxy DTL Recv Task: Jan 18 13:48:37.073: 58:94:6b:d0:41:08 DHCP received op BOOTREQUEST (1) (len 308,vlan 0, port 29, encap 0xec03)
*DHCP Proxy DTL Recv Task: Jan 18 13:48:37.073: 58:94:6b:d0:41:08 DHCP processing DHCP DISCOVER (1)

[code]....

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Cisco Routers :: RVS4000 Has No DHCP Addressing

Oct 25, 2011

I have a customer using a RVS4000, DHCP is enabled; the unit is set as gateway but there are no DHCP address assingments coming from the router.

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Cisco Routers :: RV082 IP Addressing Class B

May 27, 2013

I read in the RV082 user manual can I configure a Ip address class C in the LAN interfaces.I need to know if the router support a class B addressing.

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Protocols / Routing :: Ns2 Error When Running Hierarchical Addressing In Tcl

Jul 28, 2012

i have used hierarchical addressing in my tcl program. when i run the code, it produces the error, str2addr:Address 146672855 outside range of address field length 1024. what's his error?

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Cisco Wireless :: WLC 5508 Interface Addressing - Limitations?

Aug 26, 2012

Is there any limitations of network size for an interface in a WLC 5508? Any recomendations of netmask size? Maximum /24, maximun /21?

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Cisco Firewall :: ASA5540 Management Interface IP Addressing?

May 9, 2011

How does one allow /31 mask for an management interface on an ASA5540 using version 8.3(1)?
 
I need to configure a 192.168.x.y /31 on the management 0/0 interface of a ASA5540 and it is providing me with the following error:ERROR: /31 mask is not allowed

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Cisco Firewall :: ASA 8.4.3 Class C IP Addressing / Routing Subnet Design

Sep 25, 2012

I am carving up an internet Class C for customer. This class C is used by 3 distinct QA, Corporate and Production firewalls. I want to carve up IP space so there is a /26 for each environment. The issue I have is the firewalls may need communication with each other via the public IP space. Currently I don’t have any L3 switches in between the firewalls and the edge internet router. So with subnetting, it would seem I need to push everything through the internet router for the intra-firewall communication.I would rather not push this traffic through the edge router, so I came up with an idea to allocate all firewall outside interface IP’s in the 4th (last remaining) /26. That way, I can allow firewalls to communicate over the primary interface IP’s, which will all be in the same subnet – without going through a routing “engine”/device.
 
For the actual environment subnets (NAT's on respective firewalls), I create a static route on the edge router pointing to each of the firewall’s primary IP’s for the respective environment routes (the first 3 - /26’s).This is still a beta design, but I have done this before on small scale when ISP gave me 2 subnets for example, assuming I was going to put a router in between the customer firewall and ISP. I would use the “routed subnet” on the ASA interface, and then pull the NAT’s from the other subnet. The ISP would have to add a static route directing the NAT subnet to the “routed subnet” correct IP - which would be the firewall outside interface primary IP.I recently found out that with ASA OS 8.4.3 and up, ASA will not proxy arp for IP’s not in its local interface subnet. This means the ISP/router will have to assign static ARP entries on the edge router. This can get messy after the first few NAT entries. So I am debating the design now. I think this kind of stuff going forward won’t be worthwhile with newer ASA 8.4.3 code.

How to communicate between different ASA’s, while still carving up the Class C into usable smaller subnets? The primary reason for doing this in the first place is to support routing on the edge router. I am thinking it might be time to ask for another Class C to do the routing functions, and keep the firewalls all at Layer 2 in one /24 - Class C?

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Cisco Firewall :: ASA 5520 Active / Standby Failover - IP Addressing?

Mar 15, 2011

I am getting ready to setup avtice/standby failover on our ASA 5520's and have run in to an issue.I currently only have one External IP address available. My Idea was to use a private/placeholder IP address for the standby external IP Address, will this cause any issues with the failover? I know I won't be able to access the secondary from the outside, but that is not an issue.

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Cisco Routers :: How To Enable Addressing Ipv6 In Router Linksys EA4500

Jun 4, 2012

how can enable addressing ipv6 in router linksys EA4500? I need access on the terminal of router?

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My Private Ip Add Is Been Hacked

Mar 12, 2011

my private ip add is been hacked by someone, I have chk from various sites but the host name is unavailable so pls let me know how to get the host name of that pc & how can i get my ip 10.62.11.33 back to my org

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Make A Private Network?

May 16, 2011

I have a router, networking 2 computers. One of them I wish to set to "ad-hoc" I do not want it accessing the internet.

So, a "wired ad-hoc".

The best discriptsion I have is on a Vista or 7 machine you have the Network map I want to disconect the computer from the internet, and leave it connected to the network.

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How To See Files On A Private Network

Oct 11, 2011

I have two Win XP machines. One is connected to the LAN and the other is a standalone. I have installed an additional network card on the machine connected to the LAN. That machine is linked to the standalone through a switch using the 162.198.1.xxx sequence of IPs, with 255.255.255.0 as the subnet mask and no DNSWINS, or anything else. I can ping either machine from the other through the private network, but cannot see the files. I need to pull certain files from the standalone, but have not been able to even see them.

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Wireless :: How To Connect To New Private IP

Feb 9, 2011

I just bought a new IP address but I don't know how to connect the laptop to it. It's a private IP located in the US.

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Server For Private Network?

Sep 22, 2011

I want to add server(Intel PC with 2.8 P4 processor, 1GB RAM and 80GB harddisk) to my private network (not accessible from outside).I have 50 users in my network ( approximately 30 users login at same time)what simple good things that I could have on the server( website, forum,...) and what OS should I install on it?

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Cisco :: Private Address Block 172.16.0.0 - 172.31.0.0?

Apr 11, 2011

how the address stops at 31 in the second octet. I'm not even completely sure how it starts at 16 for the first address (172.16.0.0). are we dealing with subnets?

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Cisco :: Possible To Use 1 Private IP Through VPN And Same Mapped With Public IP?

Aug 25, 2011

Is it possible to use 1 private IP through VPN and same private IP mapped with Public IP? For example 192.168.0.1 is configured in VPN tunnel. i m able to ssh on both ends. ( VPN phase 1 and phase 2 gets completed)But when i map 192.168.0.1 with some public IP problem starts. when i try ssh i see public IP in my destination firewall logs. IPSEC: Received an ESP packet xx.xx.xx.xx "mapped public IP". The decapsulated inner packet doesn't match the negotiated policy in the SA, The packet specifies its destination as

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How Can A Public Ip Be Traced Back To Private Ip

Mar 1, 2012

How can a public ip be traced back to private ip. for instance if the ip is 5.5.5.5 it is traced as

4.4.4.4
2.2.2.2
1.1.1.1
10.10.10.10
5.5.5.5

I thought it could be VPN but then u still need a public facing ip , or can it be the fact that the public ip is router to nat and from nat to internet but then 10 range will need to be converted back to public which does not happen as from the private 10.10.10.10 it moves to the next router which is an isp device and not clients one?

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Creating A Private Network Within A Larger LAN

Mar 16, 2013

I'm starting college in the fall and will be living in the dorms on campus. I want to have a "private network" setup within the university's network in my dorm room so my and my roommate's phones and iPads can still find my Apple TV, file sharing and network drives are still possible, and I can easily set up my network printer. Obviously, I don't want to lose Internet connectivity. Can I use NAT to accomplish this without losing Internet connection through the university?

how the sysops will hate me if they find me, I know this. It's not for malicious use, only for ease of use of my devices.

This may be totally off base, that's why I'm asking if this will work before I try it. I have an old WRT54G I would like to use if its capable, if not I'll buy a new one but I'm trying to avoid that. Here's what I'm thinking:

My router plugged into the University's Ethernet port in my room (for this setup do I use a LAN port or the WAN port on the router?) DHCP disabled, all devices static IP On the "Advanced Routing" tab: "Router" mode, not "gateway" mode What should my destination LAN ip be? Gateway? LAN & Wireless or WAN?

Switch connected to the router

Devices connected to the switch or connected wirelessly Should my gateway and DNS on each device be the host address assigned to my router?

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Cisco :: Same Private IPs At Two Remote Sites?

Feb 25, 2011

I'm looking to put together a solution for a customer that wants to "bridge" between their current office and a new office space they have rented. I know how to set up a site-to-site VPN between two sites with different private IP ranges. For example, site A is 192.168.1.0/24 and site B is 192.168.2.0/24. But is it possible to make both sites appear as a single IP block? This way, systems could be moved one by one without renumbering.I am guessing there might be a way to tunnel the layer 2 traffic and make it work, but I am concerned about broadcast services being broken. I am using non-cisco platforms so I am just looking for pointers on the protocols that might be used so I can do further research.

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Setup A Private Network On A Second Router?

Dec 20, 2012

I get an Ethernet cable from his router in my unit. I also have my own router. I was wondering if there is a way for me to create a private network for myself using my router and still have access to internet?

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Share Two Webcams On Private Network?

Feb 11, 2013

I want to share my two webcams on my private network.

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Protocols / Routing :: Running Out Of Private IP's?

Nov 1, 2011

Our network at work is running out of IP addresses to lease and we are looking at the best solution of providing more addresses for clients machines on the network.What I was hoping to do was configure our Wireless AP�s through the switches (NetGear GS724T/P) so they provide a different IP to wireless clients on a separate range but still allow full communication with other devices on our network such as servers etc so they can access resources and services as normal.Currently our standard laptops connect automatically to our AP if in range and most of these are also connecting via Ethernet as well so each laptop is being leased two IP addresses which is a waste.The current config for clients is on the range 10.7.1.1-254, subnet 255.255.254.0Servers/Printer and networking devices on 10.7.0.1-254, subnet 255.255.254.0DHCP is controlled via Windows Server2003 DC

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SBG6580 Private LAN Subnet Conflict

Jun 28, 2012

I have a Motorola SBG6580 wireless gateway/router and am happy with it in general. I had a 192.168.2.n subnet with old Linksys but I find that I cannot change the MOT from its pre-set 192.168.0.n net to the ..2.net because it conflicts with a "private LAN" in the same range. How do I change the provate lan to, for example, ..9.n so I can use the ...2.n net? I'm running with the ..0.n now, just fine, but, I VPN into office and primary net there is ..0.n and so is confusing with IP shortcuts/conflicts. how to make the change?

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D-Link DIR-825 :: Block Private Ip Pings?

Feb 27, 2011

In the new firmware version is there a way to turn off or not allow anyone to ping my router by blocking any private type of IP address? Which also include loopback addresses?

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Cisco WAN :: Asa 5510 With Private Ip Address On Wan

Feb 8, 2012

i recently get high speed link for my compagny to replace the old frame realy.the internet service provider gave me a non routable range to set on my asa  like this : [code]then the ISP tell my public ip wan range was x4.23.209.166/29.i made this kind of configuration works when i put a cisco routeur in befor the cisco asa like this: [code] it is possible to make this works on cisco asa 5510 without putting a router in front ?if it works problem can happen to establishing vpn from the outside interface having a private ip ?

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Cisco Firewall :: ASA 8.4 NAT Internet IP To Private

Mar 22, 2013

I have a server with IP address 10.10.10.10/24. I have two ISPs and their public IP address subnets are 1.1.1.0/25 and 2.2.2.0/25. The gateways are ASA 8.0 and ASA 8.4.I am getting rid of the 1.1.1.0/25 ISP. However I will need the Internet users to be able to access the server via both ISPs at the same time.The only way I can think of is to do policy based dynamic PAT so the Internet user IPs will be translated into an internal IP. Idealy, users connecting on 1.1.1.10 will be PAT to 10.1.1.10 and users connecting to 2.2.2.10 will be PAT to 10.2.2.10. When the server responds to them, it will then route to the correct ASA..

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Cisco WAN :: OC-24 Throughput Through Private Line

Nov 22, 2012

we have one OC-24 private line between our data centers. we are looking to get best throughput but we get max. avg throughput of 300Mbps with peaks of 800Mbps throughput. i.e. we transfered 2TB of data over this link and we got average throughput of 300Mbps with peaks of 800Mbps.
 
we should at least be getting 800Mbps throughput since we have OC-24 (1244Mbps) private line. we contacted our ISP but they said there isn't any problem in private line from ISP side. what can we do to increase average  throughput?

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