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route question

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by owen_cktai

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i am new in network field, i have 3 question , hope you dorp me a answer even you answer me one question. look for your advice.

1.)can tell me when the route troubleshooting, why we need to off the ARP ?

2.)What is the best way to traubleshoot the routed problem?

3.)The best differentiate between static route and default route.

Am i truth, if i descriptive static route and default route as below.

static route is for only one specific subnet pass the traffic

is default route is for all different subnet in the network pass the traffic?

From jack

4 replies

by nicknielsen

1. We disable the ARP to eliminate the possibility of incorrect or corrupted entries in the ARP table.

2. The troubleshooting method is determined by the problem you are having. What's the problem?

3. From what I remember, this is correct.

by owen_cktai

Hi nick nielsen

i have some question regarding ur post a reply to me. hope you can give me more detail and let me more understand :)

1.) Disble the ARP to eliminate the possibility of incorrect entries in the ARP table, y incorrect entries in the ARP table can make the route troubleshooting work be problem?

look for your further relpy

from kenneth

by nicknielsen

The ARP table provides a cross-reference between the layer 3 (IP) address and the layer 2 (MAC) address. If an IP address has the wrong MAC address stored in the ARP table, there will be communication problems between the network and the device with that IP.

Disabling ARP eliminates this possibility.

More on ARP: http://en.wikipedia.org/wiki/Address_Resolution_Protocol
http://www.erg.abdn.ac.uk/users/gorry/course/inet-pages/arp.html
http://www.networksorcery.com/enp/protocol/arp.htm

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