Dummy Interface - Revision history

Rwh: /* Removing The Linux Dummy-Network Interface */

2018-05-28T12:09:14Z

Removing The Linux Dummy-Network Interface

← Older revision		Revision as of 08:09, 28 May 2018
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	== Removing The Linux Dummy-Network Interface ==		== Removing The Linux Dummy-Network Interface ==

	1. Unbind the dummy established ~~network interface~~:		1. Unbind the dummy established Network Interface(s):

	# ifconfig ~~dummy0~~ down;		ifconfig dummy1 down;
			ifconfig dummy2 down;
			ifconfig dummy3 down;

	2) Remove the dummy kernel module.		2) Remove the dummy kernel module.

	# rmmod dummy;		rmmod dummy;

	== References ==		== References ==

Rwh: /* References */

2018-05-28T12:07:59Z

References

← Older revision		Revision as of 08:07, 28 May 2018
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	Reference Info 1: '''[http://www.faqs.org/docs/linux_network/x-087-2-iface.interface.html Linux Network Administrators Guide]'''		Reference Info 1: '''[http://www.faqs.org/docs/linux_network/x-087-2-iface.interface.html Linux Network Administrators Guide]'''

			Reference Info 2: '''[https://en.wikipedia.org/wiki/Iproute2 iproute2]'''

Rwh: /* Installing The Linux Dummy-Network Interface */

2018-05-28T12:03:30Z

Installing The Linux Dummy-Network Interface

← Older revision		Revision as of 08:03, 28 May 2018
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	ip link set dummy2 up;		ip link set dummy2 up;
	ip link set dummy3 up;		ip link set dummy3 up;


	7. Check the network bindings with the linux '''[https://en.wikipedia.org/wiki/Iproute2 ip]''' command:		7. Check the network bindings with the linux '''[https://en.wikipedia.org/wiki/Iproute2 ip]''' command:

Rwh: /* Installing The Linux Dummy-Network Interface */

2018-05-28T12:02:06Z

Installing The Linux Dummy-Network Interface

← Older revision		Revision as of 08:02, 28 May 2018
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	7. Check the network bindings with the linux '''[https://en.wikipedia.org/wiki/Iproute2 ip]''' command:		7. Check the network bindings with the linux '''[https://en.wikipedia.org/wiki/Iproute2 ip]''' command:

			[root@nst28-dev ~]# ip a
	~~# ifconfig dummy0;~~		1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
	~~dummy0 Link encap~~:~~Ethernet HWaddr 2A~~:7B:EA:49:69:E2		link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
	inet ~~addr:10~~.0.0.1 ~~Bcast~~:~~10.255.255.255 Mask~~:~~255.0.0.0~~		inet 127.0.0.1/8 scope host lo
	~~inet6 addr~~: ~~fe80~~::~~287b~~:~~eaff~~:~~fe49~~:~~69e2/64 Scope~~:~~Link~~		valid_lft forever preferred_lft forever
	~~UP BROADCAST RUNNING NOARP MTU~~:~~1500 Metric~~:1		inet6 ::1/128 scope host
	~~RX packets~~:~~0 errors~~:~~0 dropped~~:0 ~~overruns:0 frame:~~0		valid_lft forever preferred_lft forever
	~~TX packets~~:~~10 errors~~:~~0 dropped~~:~~0 overruns~~:~~0 carrier~~:0		2: dummy1: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
	~~collisions~~:~~0 txqueuelen~~:0		link/ether 36:f5:1b:3a:12:41 brd ff:ff:ff:ff:ff:ff
	~~RX bytes~~:~~0 (0.0 b) TX bytes~~:~~824 (824.0 b)~~		inet 10.0.0.1/24 scope global dummy1
	#		valid_lft forever preferred_lft forever
	~~# ifconfig dummy0~~:0;		inet6 fe80::34f5:1bff:fe3a:1241/64 scope link
	~~dummy0~~:~~0 Link encap~~:~~Ethernet HWaddr 2A~~:7B:EA:49:69:E2		valid_lft forever preferred_lft forever
	inet ~~addr:~~10.0.0.2 ~~Bcast~~:~~10.255.255.255 Mask~~:~~255.0.0.0~~		3: dummy2: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
	~~UP BROADCAST RUNNING NOARP MTU~~:~~1500 Metric~~:1		link/ether 6a:5c:3f:56:dc:2d brd ff:ff:ff:ff:ff:ff
	#		inet 10.0.0.2/24 scope global dummy2
	~~# ifconfig dummy0~~:1;		valid_lft forever preferred_lft forever
	~~dummy0:1 Link encap:Ethernet~~ ~~HWaddr 2A~~:7B:EA:49:69:E2		inet6 fe80::685c:3fff:fe56:dc2d/64 scope link
	~~inet addr~~:~~10.0.0.3 Bcast~~:~~10.255.255.255 Mask~~:~~255.0.0.0~~		valid_lft forever preferred_lft forever
	~~UP BROADCAST RUNNING NOARP MTU~~:~~1500 Metric~~:1		4: dummy3: <BROADCAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
			link/ether 86:d5:9f:08:f1:32 brd ff:ff:ff:ff:ff:ff
	~~6. Check the route binding~~:		inet 10.0.0.3/24 scope global dummy3
	~~This command shows the routing as it is set up.~~		valid_lft forever preferred_lft forever
			inet6 fe80::84d5:9fff:fe08:f132/64 scope link
	~~# route -n;~~		valid_lft forever preferred_lft forever
	~~Kernel IP routing table~~:
	~~Destination Gateway Genmask Flags Metric Ref Use Iface~~
	~~10.0.0.1 0.0.0.0 255.255.255.255 UH 0~~ ~~0 0 dummy0~~
	10.0.0.~~2 0.0.0.0 255.255.255.255 UH 0 0 0 dummy0~~
	~~10.0.0.3 0.0.0.0~~ ~~255.255.255.255 UH 0 0 0 dummy0~~
	~~10.0.0.0 0.0.0.0 255.0.0.0 U 0~~ ~~0 0 dummy0~~
	~~127.0.0.0 0.0.0.0~~ ~~255.0.0.0 U 0 0 0 lo~~

	== Removing The Linux Dummy-Network Interface ==		== Removing The Linux Dummy-Network Interface ==

Rwh at 11:59, 28 May 2018

2018-05-28T11:59:14Z

← Older revision		Revision as of 07:59, 28 May 2018
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	ip link set dummy1 up;		ip link set dummy1 up;

	6. If you need to add more than one (1) dummy interface use the following~~. These bindings use the virtual network interface with '''[http://www.faqs.org/docs/Linux-mini/IP-Alias.html IP Address Aliasing]'''~~:		6. If you need to add more than one (1) dummy interface use the following:

	ip link add dummy2 type dummy;		ip link add dummy2 type dummy;
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	ip link set dummy3 up;		ip link set dummy3 up;

	~~7. Add a route other than “'''default'''” to the established connectivity to each virtual network interface.~~

	~~# route add ${HOSTNAME} dummy0;~~		7. Check the network bindings with the linux '''[https://en.wikipedia.org/wiki/Iproute2 ip]''' command:
	~~# route add 10~~.~~0.0.2 dummy0~~:0;
	~~# route add 10.0~~.0.~~3 dummy0~~:1;

	~~5. Check the network binding:~~
	~~This command gives below listed output:~~

	# ifconfig dummy0;		# ifconfig dummy0;

Rwh: /* Installing The Linux Dummy-Network Interface */

2018-05-28T11:53:14Z

Installing The Linux Dummy-Network Interface

← Older revision		Revision as of 07:53, 28 May 2018
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	ip link set dummy1 up;		ip link set dummy1 up;

	6. If you need to ~~load~~ more than one (1) dummy interface use the following:		6. If you need to add more than one (1) dummy interface use the following. These bindings use the virtual network interface with '''[http://www.faqs.org/docs/Linux-mini/IP-Alias.html IP Address Aliasing]''':

	ip link add dummy2 type dummy;		ip link add dummy2 type dummy;
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	ip link set dummy3 up;		ip link set dummy3 up;

			7. Add a route other than “'''default'''” to the established connectivity to each virtual network interface.

	3. Bind the dummy established network interface to the $HOSTNAME configured IP address. Also shown are other bindings for virtual network interfaces using '''[http://www.faqs.org/docs/Linux-mini/IP-Alias.html IP Address Aliasing]'''		# route add ${HOSTNAME} dummy0;

	~~# ifconfig dummy0 $HOSTNAME;~~
	~~# ifconfig dummy0:0 10.0.0.2;~~
	~~# ifconfig dummy0:1 10.0.0.3;~~

	~~4. Add a route other than “'''default'''” to the established connectivity to each virtual network interface.~~

	# route add $HOSTNAME dummy0;
	# route add 10.0.0.2 dummy0:0;		# route add 10.0.0.2 dummy0:0;
	# route add 10.0.0.3 dummy0:1;		# route add 10.0.0.3 dummy0:1;

Rwh at 11:48, 28 May 2018

2018-05-28T11:48:53Z

← Older revision		Revision as of 07:48, 28 May 2018
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	For example, an Internet address of 10.0.0.1 would result in:		For example, an Internet address of 10.0.0.1 would result in:

	echo 10.0.0.1 $HOSTNAME >> /etc/hosts;		echo 10.0.0.1 ${HOSTNAME} >> /etc/hosts;


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	ip link add dummy1 type dummy;		ip link add dummy1 type dummy;

	4. ~~Assign~~ an IPv4 Address to Network Interface dummy1:		4. Bind an IPv4 Address to Network Interface dummy1:

	ip addr add 10.0.0.1/24 dev dummy1;		ip addr add 10.0.0.1/24 dev dummy1;

	If you need to load more than one (1) dummy interface use the following ~~(Three (~~3~~) in this example):~~		--Or --

			ip addr add ${HOSTNAME}/24 dev dummy1;

			5. Bring the dummy1 Network Interface up:

			ip link set dummy1 up;

			6. If you need to load more than one (1) dummy interface use the following:

			ip link add dummy2 type dummy;
			ip link add dummy3 type dummy;
			ip addr add 10.0.0.2/24 dev dummy2;
			ip addr add 10.0.0.3/24 dev dummy3;
			ip link set dummy2 up;
			ip link set dummy3 up;

	~~# modprobe dummy numdummies=3;~~

	3. Bind the dummy established network interface to the $HOSTNAME configured IP address. Also shown are other bindings for virtual network interfaces using '''[http://www.faqs.org/docs/Linux-mini/IP-Alias.html IP Address Aliasing]'''		3. Bind the dummy established network interface to the $HOSTNAME configured IP address. Also shown are other bindings for virtual network interfaces using '''[http://www.faqs.org/docs/Linux-mini/IP-Alias.html IP Address Aliasing]'''

Rwh at 11:41, 28 May 2018

2018-05-28T11:41:15Z

← Older revision		Revision as of 07:41, 28 May 2018
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	For example, an Internet address of 10.0.0.1 would result in:		For example, an Internet address of 10.0.0.1 would result in:

	echo 10.0.0.1 $HOSTNAME >> /etc/hosts;		echo 10.0.0.1 $HOSTNAME >> /etc/hosts;


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	If this command is successful, you do not receive any messages from the server.		If this command is successful, you do not receive any messages from the server.

	# modprobe dummy;		modprobe dummy;

	3. Create the interface(s):		3. Create the interface(s) (Example: Network Interface: dummy1):

	# ip link add dummy1 type dummy;		ip link add dummy1 type dummy;

			4. Assign an IPv4 Address to Network Interface dummy1:

			ip addr add 10.0.0.1/24 dev dummy1;

	If you need to load more than one (1) dummy interface use the following (Three (3) in this example):		If you need to load more than one (1) dummy interface use the following (Three (3) in this example):

Rwh at 11:38, 28 May 2018

2018-05-28T11:38:30Z

← Older revision		Revision as of 07:38, 28 May 2018
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	# modprobe dummy;		# modprobe dummy;

			3. Create the interface(s):

			# ip link add dummy1 type dummy;

	If you need to load more than one (1) dummy interface use the following (Three (3) in this example):		If you need to load more than one (1) dummy interface use the following (Three (3) in this example):

Rwh: /* Installing The Linux Dummy-Network Interface */

2016-11-29T17:47:31Z

Installing The Linux Dummy-Network Interface

← Older revision		Revision as of 13:47, 29 November 2016
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	For example, an Internet address of 10.0.0.1 would result in:		For example, an Internet address of 10.0.0.1 would result in:

	echo 10.0.0.1 $HOSTNAME >> /etc/hosts		echo 10.0.0.1 $HOSTNAME >> /etc/hosts;


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	If this command is successful, you do not receive any messages from the server.		If this command is successful, you do not receive any messages from the server.

	# modprobe dummy		# modprobe dummy;

	If you need to load more than one (1) dummy interface use the following (Three (3) in this example):		If you need to load more than one (1) dummy interface use the following (Three (3) in this example):

	# modprobe dummy numdummies=3		# modprobe dummy numdummies=3;

	3. Bind the dummy established network interface to the $HOSTNAME configured IP address. Also shown are other bindings for virtual network interfaces using '''[http://www.faqs.org/docs/Linux-mini/IP-Alias.html IP Address Aliasing]'''		3. Bind the dummy established network interface to the $HOSTNAME configured IP address. Also shown are other bindings for virtual network interfaces using '''[http://www.faqs.org/docs/Linux-mini/IP-Alias.html IP Address Aliasing]'''

	# ifconfig dummy0 $HOSTNAME		# ifconfig dummy0 $HOSTNAME;
	# ifconfig dummy0:0 10.0.0.2		# ifconfig dummy0:0 10.0.0.2;
	# ifconfig dummy0:1 10.0.0.3		# ifconfig dummy0:1 10.0.0.3;

	4. Add a route other than “'''default'''” to the established connectivity to each virtual network interface.		4. Add a route other than “'''default'''” to the established connectivity to each virtual network interface.

	# route add $HOSTNAME dummy0		# route add $HOSTNAME dummy0;
	# route add 10.0.0.2 dummy0:0		# route add 10.0.0.2 dummy0:0;
	# route add 10.0.0.3 dummy0:1		# route add 10.0.0.3 dummy0:1;

	5. Check the network binding:		5. Check the network binding:
	This command gives below listed output:		This command gives below listed output:

	# ifconfig dummy0		# ifconfig dummy0;
	dummy0 Link encap:Ethernet HWaddr 2A:7B:EA:49:69:E2		dummy0 Link encap:Ethernet HWaddr 2A:7B:EA:49:69:E2
	inet addr:10.0.0.1 Bcast:10.255.255.255 Mask:255.0.0.0		inet addr:10.0.0.1 Bcast:10.255.255.255 Mask:255.0.0.0
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	RX bytes:0 (0.0 b) TX bytes:824 (824.0 b)		RX bytes:0 (0.0 b) TX bytes:824 (824.0 b)
	#		#
	# ifconfig dummy0:0		# ifconfig dummy0:0;
	dummy0:0 Link encap:Ethernet HWaddr 2A:7B:EA:49:69:E2		dummy0:0 Link encap:Ethernet HWaddr 2A:7B:EA:49:69:E2
	inet addr:10.0.0.2 Bcast:10.255.255.255 Mask:255.0.0.0		inet addr:10.0.0.2 Bcast:10.255.255.255 Mask:255.0.0.0
	UP BROADCAST RUNNING NOARP MTU:1500 Metric:1		UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
	#		#
	# ifconfig dummy0:1		# ifconfig dummy0:1;
	dummy0:1 Link encap:Ethernet HWaddr 2A:7B:EA:49:69:E2		dummy0:1 Link encap:Ethernet HWaddr 2A:7B:EA:49:69:E2
	inet addr:10.0.0.3 Bcast:10.255.255.255 Mask:255.0.0.0		inet addr:10.0.0.3 Bcast:10.255.255.255 Mask:255.0.0.0
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	This command shows the routing as it is set up.		This command shows the routing as it is set up.

	# route -n		# route -n;
	Kernel IP routing table:		Kernel IP routing table:
	Destination Gateway Genmask Flags Metric Ref Use Iface		Destination Gateway Genmask Flags Metric Ref Use Iface