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How do I know what is the origin IP if I ping from a router to a host of an external network in packet tracer?
Can't ping a router's interface which is in a WAN directly connected to my router- (Packet tracer)What is this node in packet tracer?NAT Translation IP usagewhat does “-m” mean in UNIX ping commandConfigure ethernet ports at an router in packet tracer 7Computer unable to ping another over two routersHow does a switch know how to route ping packets?Can I connect a PC to a router directly in Packet Tracer?security benefits of using RADIUS in router authentication - packet tracerLet connections go through a server to a router in packet tracer
When we ping from a router to a host in an external network, how do we know what is the origin IP of the packet?
I searched and I didn't find a way to select which interface is the starting point of the ping.
So is the router taking a default pattern of "what to do in case we ping something"?
I'm using Packet Tracer 7.1.1
cisco ping packet-tracer networking
New contributor
add a comment |
When we ping from a router to a host in an external network, how do we know what is the origin IP of the packet?
I searched and I didn't find a way to select which interface is the starting point of the ping.
So is the router taking a default pattern of "what to do in case we ping something"?
I'm using Packet Tracer 7.1.1
cisco ping packet-tracer networking
New contributor
add a comment |
When we ping from a router to a host in an external network, how do we know what is the origin IP of the packet?
I searched and I didn't find a way to select which interface is the starting point of the ping.
So is the router taking a default pattern of "what to do in case we ping something"?
I'm using Packet Tracer 7.1.1
cisco ping packet-tracer networking
New contributor
When we ping from a router to a host in an external network, how do we know what is the origin IP of the packet?
I searched and I didn't find a way to select which interface is the starting point of the ping.
So is the router taking a default pattern of "what to do in case we ping something"?
I'm using Packet Tracer 7.1.1
cisco ping packet-tracer networking
cisco ping packet-tracer networking
New contributor
New contributor
New contributor
asked 9 hours ago
green_yallowagreen_yallowa
132
132
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The default behavior of a ping (of any traffic originated from a machine unless explicitly configured to behave differently) is to use the IP address of the interface closest to the destination.
The device will lookup its routing table, find the interface that will be used to send the packet and use the (primary) IP address of this interface.
On real device, you can often override this behavior with the -I
option of ping followed by the interface name or the IP address you want to use.
Example:
ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=56 time=4.72 ms
ping -I 198.51.100.193 8.8.8.8
PING 8.8.8.8 (8.8.8.8) from 198.51.100.193 : 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=56 time=4.87 ms
I don't know if this option is available in packet tracer, which is a simulator with a limited set of features and options, but you can try.
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1 Answer
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1 Answer
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The default behavior of a ping (of any traffic originated from a machine unless explicitly configured to behave differently) is to use the IP address of the interface closest to the destination.
The device will lookup its routing table, find the interface that will be used to send the packet and use the (primary) IP address of this interface.
On real device, you can often override this behavior with the -I
option of ping followed by the interface name or the IP address you want to use.
Example:
ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=56 time=4.72 ms
ping -I 198.51.100.193 8.8.8.8
PING 8.8.8.8 (8.8.8.8) from 198.51.100.193 : 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=56 time=4.87 ms
I don't know if this option is available in packet tracer, which is a simulator with a limited set of features and options, but you can try.
add a comment |
The default behavior of a ping (of any traffic originated from a machine unless explicitly configured to behave differently) is to use the IP address of the interface closest to the destination.
The device will lookup its routing table, find the interface that will be used to send the packet and use the (primary) IP address of this interface.
On real device, you can often override this behavior with the -I
option of ping followed by the interface name or the IP address you want to use.
Example:
ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=56 time=4.72 ms
ping -I 198.51.100.193 8.8.8.8
PING 8.8.8.8 (8.8.8.8) from 198.51.100.193 : 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=56 time=4.87 ms
I don't know if this option is available in packet tracer, which is a simulator with a limited set of features and options, but you can try.
add a comment |
The default behavior of a ping (of any traffic originated from a machine unless explicitly configured to behave differently) is to use the IP address of the interface closest to the destination.
The device will lookup its routing table, find the interface that will be used to send the packet and use the (primary) IP address of this interface.
On real device, you can often override this behavior with the -I
option of ping followed by the interface name or the IP address you want to use.
Example:
ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=56 time=4.72 ms
ping -I 198.51.100.193 8.8.8.8
PING 8.8.8.8 (8.8.8.8) from 198.51.100.193 : 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=56 time=4.87 ms
I don't know if this option is available in packet tracer, which is a simulator with a limited set of features and options, but you can try.
The default behavior of a ping (of any traffic originated from a machine unless explicitly configured to behave differently) is to use the IP address of the interface closest to the destination.
The device will lookup its routing table, find the interface that will be used to send the packet and use the (primary) IP address of this interface.
On real device, you can often override this behavior with the -I
option of ping followed by the interface name or the IP address you want to use.
Example:
ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=56 time=4.72 ms
ping -I 198.51.100.193 8.8.8.8
PING 8.8.8.8 (8.8.8.8) from 198.51.100.193 : 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_req=1 ttl=56 time=4.87 ms
I don't know if this option is available in packet tracer, which is a simulator with a limited set of features and options, but you can try.
answered 9 hours ago
JFLJFL
12.8k11443
12.8k11443
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