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| comp.protocols.tcp-ip TCP and IP network protocols. |
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LinkBack | Outils de la discussion |
14/11/2006, 10h47
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#1 |
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Hébergeur: |
when a router is routing an ip packet from one host, will it add its own ip address into the ip packet as additional ip address?
when a router is routing an ip packet from one host, will it add its
own ip address into the ip packet as additional ip address(without changing the source and destination). |
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14/11/2006, 15h37
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#2 |
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Hébergeur: |
Re: when a router is routing an ip packet from one host, will it add its own ip address into the ip packet as additional ip address?
In article <1163501224.005221.86810@b28g2000cwb.googlegroups. com>,
subscribe <samplestrategy@gmail.com> wrote: >when a router is routing an ip packet from one host, will it add its >own ip address into the ip packet as additional ip address(without >changing the source and destination). No. The destination MAC will change and the router will recalculate the CRC, but the IP addresses do not change with normal routers. The IP addresses may change at security gateways ("firewalls") though. |
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14/11/2006, 15h42
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#3 |
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Hébergeur: |
Re: when a router is routing an ip packet from one host, will it add its own ip address into the ip packet as additional ip address?
In article <Wol6h.320489$R63.297886@pd7urf1no>,
Walter Roberson <roberson@hushmail.com> wrote: >In article <1163501224.005221.86810@b28g2000cwb.googlegroups. com>, >subscribe <samplestrategy@gmail.com> wrote: >>when a router is routing an ip packet from one host, will it add its >>own ip address into the ip packet as additional ip address(without >>changing the source and destination). >No. The destination MAC will change and the router will recalculate >the CRC, but the IP addresses do not change with normal routers. >The IP addresses may change at security gateways ("firewalls") though. Oh yes, the TTL field will also decrement at each routing hop. Nothing else will change unless source routing or record route is requested, neither of which is in general use. |
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15/11/2006, 03h01
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#4 |
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Messages: n/a
Hébergeur: |
Re: when a router is routing an ip packet from one host, will it add its own ip address into the ip packet as additional ip address?
In article <1163501224.005221.86810@b28g2000cwb.googlegroups. com>,
"subscribe" <samplestrategy@gmail.com> wrote: > when a router is routing an ip packet from one host, will it add its > own ip address into the ip packet as additional ip address(without > changing the source and destination). What do you mean by "as additional ip address"? There's no such field in the IP header. -- Barry Margolin, barmar@alum.mit.edu Arlington, MA *** PLEASE post questions in newsgroups, not directly to me *** *** PLEASE don't copy me on replies, I'll read them in the group *** |
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23/11/2006, 09h39
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#5 |
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Messages: n/a
Hébergeur: |
Re: when a router is routing an ip packet from one host, will it add its own ip address into the ip packet as additional ip address?
perhaps last ip address.
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28/11/2006, 02h44
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#6 |
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Messages: n/a
Hébergeur: |
Re: when a router is routing an ip packet from one host, will it add its own ip address into the ip packet as additional ip address?
In article <1164274793.591017.180390@l12g2000cwl.googlegroups .com>,
"subscribe" <samplestrategy@gmail.com> wrote: > perhaps last ip address. As I said, there's no such field in the IP header. The only way to get router IPs into the header is by using the Record Route IP option (or one of the source routing options, which incorporate route recording as well). -- Barry Margolin, barmar@alum.mit.edu Arlington, MA *** PLEASE post questions in newsgroups, not directly to me *** *** PLEASE don't copy me on replies, I'll read them in the group *** |
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