Questions tagged [ip]

For questions about Internet Protocol (IP), an OSI layer-3 network protocol. There are two current IP versions in use: IPv4 and IPv6.

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How does Network Layer behave when client received a unicast DHCP offer?

I went through various stack exchange post to understand the concept of DHCP offer when it comes as a unicast to client from the DHCP server. A server can send a unicast DHCP offer since it knows the ...
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140 views

Cisco ASA 5506: Adding two public IP's that are on the same subnet for the primary and backup interface

Im programming a Cisco ASA 5506. I need to add a primary (public) IP that is x.x.x.82/24 and a backup IP that is x.x.x.81/24. The ASA wont allow me to do this as it gives me an error: "the IP ...
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48 views

In Bgp TTL security all control packets will have configured hop value?

Topology: loop(2.1.1.1) - routerA (192.168.1.2)--------- (192.168.1.1) routerB - loop(1.1.1.1) I have eBGP peering configured with a Multihop of 2 on both sides and static routes to reach loopbacks. ...
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285 views

Nexus OS IP SLA Object tracking

I have not configured IP SLA object tracking on nexus OS before and its looks a bit confusing. Can someone help me interpret the following configuration? This example shows that object tracking is ...
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758 views

Access Extern IP behind NAT

I have found many articles, possible solutions to this topic, but no one seems to have the same problem as me. I am working on a Cisco 1812 Router with IOS 12.4. I have found some things like ...
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286 views

Effects of ip options drop command on Cisco 4507 Device

Are there any services or applications traversing a router that will be impacted by the command, "ip options drop"? I know the router warns about RSVP when you input this command, but this 4510 is not ...
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127 views

Network translation and port forwarding causing host to timeout

I'm trying to setup a small network, consisting of 3 routers and switches, and one L3 Switch: I have activated PAT on both router R1 and R2, to translate from the private IP addresses to the public ...
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303 views

Cisco 1841/WAP4410N Wireless Access Issue

In our environment, we have a Cisco 1841 which, among other things, performs DHCP services for a small manufacturing facility. We have 100 available DHCP addresses in the pool. That device connects to ...
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1answer
97 views

How to configure IP addresses in cisco packet tracer?

Hello I am working with Cisco packet tracer. I have two laptops connected to a wireless router with IP addresses assigned using DHCP. The router's Internet IP address is 10.1.0.0 and the LAN address ...
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19 views

Why do cellular IP modems have configuration settings for transparent modes

I'm working in an area with industrial cellular IP modems such as ones from the company Four Faith. A manual is available from the URL On page 27/40 it describes a setting called "Transfer ...
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36 views

Locating where an IP address lives

Without documentation or using console how can I locate a particular IP within my network? Specific issue is I have public IP sitting on a device at a datacenter. The IP address appears to be going ...
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969 views

How to Run Static IP Through Comcast Business Class Modem to Router?

I apologize in advance for this kind of nebulous question, but I'm very stuck after many hours of trying and I need help. Here's what I have: Newest model of the Comcast Business Class Modem/Router ...