eg-253:networkq:571285
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eg-253:networkq:571285 [2011/12/09 13:32] – [Question 20] haneen | eg-253:networkq:571285 [2011/12/09 22:18] (current) – [Signature] haneen | ||
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| The address used by my host to send an IP packet to all hosts on my network | 192.168.3.255 | | The address used by my host to send an IP packet to all hosts on my network | 192.168.3.255 | ||
| The netmask of my host | 255.255.255.0| | | The netmask of my host | 255.255.255.0| | ||
- | | The hardware address (MAC Address) of my LAN-facing network interface connection (NIC)((If your host has two or more network cards, the LAN-facing card will be the NIC assigned to your host's static IP address.)) | Answer | + | | The hardware address (MAC Address) of my LAN-facing network interface connection (NIC)((If your host has two or more network cards, the LAN-facing card will be the NIC assigned to your host's static IP address.)) | 00: |
- | | The frame-level (layer 1) protocol is used to send network messages to the network from my host? | MTU | | + | | The frame-level (layer 1) protocol is used to send network messages to the network from my host? | Ethernet| |
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**Answer**: | **Answer**: | ||
- | + | The purpose of the Gateway interface is to provide a communication bridge between the internet and the networks and to route messages between them. | |
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**Answer**: | **Answer**: | ||
+ | |||
+ | route | ||
Run the command identified in [[# | Run the command identified in [[# | ||
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<cli prompt=" | <cli prompt=" | ||
- | user@host:~$ command # Copy command and its output and paste it here. | + | haneen@dione:~$ route |
+ | Kernel IP routing table | ||
+ | Destination | ||
+ | 192.168.3.0 | ||
+ | link-local | ||
+ | default | ||
</ | </ | ||
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**Answer**: | **Answer**: | ||
+ | sudo sh -c "echo 1 > / | ||
==== Question 18 ==== | ==== Question 18 ==== | ||
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- | Reproduce the contents of the file defined in [[# | + | / |
**Answer** | **Answer** | ||
- | Copy contents of file and paste it as a listing here. | + | ip_forward=yes |
- | Include a minumum indent of two spaces per line. | + | |
- | Like this. | + | |
| | ||
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**Answer**: | **Answer**: | ||
- | | + | |
- | Include a minumum indent of two spaces per line. | + | |
- | | + | |
===== Checking Your Network ===== | ===== Checking Your Network ===== | ||
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</ | </ | ||
- | Add your explanation here. | + | -i : Displays network interfaces and their statistics. |
- | + | ||
==== Question 22 ==== | ==== Question 22 ==== | ||
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</ | </ | ||
- | Add your explanation here. | + | netstat -ta shows all active internet connections and their current state. |
===== Testing the Connectivity of your network ===== | ===== Testing the Connectivity of your network ===== | ||
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</ | </ | ||
- | Explain the result. | ||
+ | Pings have been ignored by the router as traceroute is not forwarding the pings to the other networks leaving a dead connection | ||
===== Extension Questions ===== | ===== Extension Questions ===== | ||
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**Answer** | **Answer** | ||
+ | #iface eth0 inet dhcp | ||
+ | iface eth0 inet static | ||
+ | address 192.168.10.1 | ||
+ | network 192.168.10.0 | ||
+ | netmask 255.255.255.0 | ||
+ | gateway 192.168.10.1 | ||
+ | |||
+ | # route to jupiter-net | ||
+ | up route add -net 192.168.10.0 netmask 255.255.255.0 gw 192.168.10.3 | ||
+ | down route del -net 192.168.10.0 netmask 255.255.255.0 gw 192.168.10.3 | ||
==== Question 26 ==== | ==== Question 26 ==== | ||
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**Answer** | **Answer** | ||
+ | / | ||
+ | /etc/hosts | ||
+ | |||
+ | / | ||
+ | |||
+ | / | ||
==== Question 27 ==== | ==== Question 27 ==== | ||
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- | ==== Question | + | ==== Question |
Which other files would you need to modify to fully configure your host to recognizes the new engineering sub-network? | Which other files would you need to modify to fully configure your host to recognizes the new engineering sub-network? | ||
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**Answer** | **Answer** | ||
+ | / | ||
+ | /etc/hosts | ||
+ | |||
+ | / | ||
+ | |||
+ | / | ||
===== Signature ===== | ===== Signature ===== | ||
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Your signature here: | Your signature here: | ||
+ | --- // |
eg-253/networkq/571285.1323437549.txt.gz · Last modified: 2011/12/09 13:32 by haneen