The Fueley wrote:
How would that apply to a layer 3 switch/router? Actually the packaging says
that I have a Residential Gateway/Router/Firewall. Aren't gateways layer 7
devices? While switches are layer 2 devices, they deal with MAC addresses
right? Maybe a smart switch knows which MAC addresses
: RE: ARP Spoof Question
what are layers? what purpose do they serve?
dave
On Thu, 24 Jul 2003, David Gillett wrote:
Switches are layer 2 devices, IP begins at layer 3. A
-switch- usually doesn't understand a single ip bit.
The management side of the switch (snmp, http
]; [EMAIL PROTECTED]
Subject: Re: ARP Spoof Question
Q1.My Question is, Node C will also reply to that request of Node A. SO
now Node A has 2 different MAC for the same IP. How is Node A handling
this situation???
Q2.The switch also updates its table of IP/MAC address bindings, so how
is switch handling
-Original Message-
From: Stephane Nasdrovisky [mailto:[EMAIL PROTECTED]
Sent: Wednesday, July 23, 2003 2:05 PM
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Subject: Re: ARP Spoof Question
I have a small question. I was reading about ARP Spoofing and here is my
question.
So when Node
]
Sent: July 23, 2003 16:13
To: [EMAIL PROTECTED]
Subject: RE: ARP Spoof Question
If we use a Cisco switch for example, don't they have a
learning period?
I would presume that the switch would go through the process
of building
its ARP tables again.
Stu
-Original Message
Gillett [mailto:[EMAIL PROTECTED]
Sent: 24 July 2003 17:39
To: 'Stuart'; [EMAIL PROTECTED]
Subject: RE: ARP Spoof Question
A switch should *always* be learning. A destination MAC
address should always fall into one of two categories:
1. I have it in my switch table (NOT *ARP*, per se), because
I
Switches are layer 2 devices, IP begins at layer 3. A
-switch- usually doesn't understand a single ip bit.
The management side of the switch (snmp, http, telnet,
whatever) are to be considered as any other networked host.
How would that apply to a layer 3
Message-
From: David Gillett [mailto:[EMAIL PROTECTED]
Sent: 24 July 2003 17:39
To: 'Stuart'; [EMAIL PROTECTED]
Subject: RE: ARP Spoof Question
A switch should *always* be learning. A destination MAC
address should always fall into one of two categories:
1. I have it in my switch
[mailto:[EMAIL PROTECTED]
Sent: 24 July 2003 17:39
To: 'Stuart'; [EMAIL PROTECTED]
Subject: RE: ARP Spoof Question
A switch should *always* be learning. A destination MAC
address should always fall into one of two categories:
1. I have it in my switch table (NOT *ARP*, per se), because
I
On Wed, 2003-07-23 at 01:22, Vineet Mehta wrote:
Q1.My Question is, Node C will also reply to that request of Node A. SO
now Node A has 2 different MAC for the same IP. How is Node A handling
this situation???
Q2.The switch also updates its table of IP/MAC address bindings, so how
is
In a live network, you might (a) replace the NIC in a machine
(perhaps later installing the removed NIC in a different machine),
and (b) move a machine from one switch port to another.
So the way node A, and the switch, handle this is to just keep
the last information they saw. Node B can
Q1.My Question is, Node C will also reply to that request of Node A. SO
now Node A has 2 different MAC for the same IP. How is Node A handling
this situation???
Q2.The switch also updates its table of IP/MAC address bindings, so how
is switch handling this situation???
Is it first-come-first-serve
Vineet,
I would assume that it would be the last ARP response that the system
receives that ends up in the arp table, because i believe that it will
setup an entry for each response and since the last one will overwrite the
first one the second will be there. But ARP spoofing tools dont bother to
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