Using distant NIC as local

The name of the pictureThe name of the pictureThe name of the pictureClash Royale CLAN TAG#URR8PPP












0














considering this case :



SERVER A using one nic & multiple IP
eth0:0 / eth0:1 / eth0:2 ...



SERVER B using one nic & multiple IP
eth1:0 / eth1:1 / eth1:2 ...



how can i use directly inside my 'SERVER A' all these nic (or public ip) from eth0:0, eth0:1, eth0:2, eth1:0, eth1:1, eth1:2 ...



Im using software inside SERVER A that need to use directly 'public ip' from each NIC (both SERVER A and SERVER B)



In answer to the question in the comments:



(1) software installed in SERVER_A use public_IP in his configuration. i cant install this software in SERVER_B. (licence issue)



(2) SERVER_A is dedicated server in OVH hosting. / SERVER_B dont exist today but can be in ovh too. (but not in the same LAN) -> then these two server have to communicate over internet (why not tunneling)










share|improve this question



















  • 3




    Welcome to SEUL. One method of achieving the network topology you desire would be to use routing - specifically network address translation (NAT) to forward traffic from SERVER B to SERVER A and allow SERVER A to masquerade as SERVER B using NATing.
    – datUser
    Dec 14 at 21:19










  • @datUser - I somehow get the feeling that NAT is not what they're after, though I may be barking up the wrong tree - the wording is quite unclear.
    – tink
    Dec 14 at 21:30










  • Thanks for your welcome :) maybe have you an exemple or tutorial to achieve my needs? As information two server are not in the same lan.
    – MTI
    Dec 14 at 21:33










  • Could you please edit your question and indicate (1) why you need server A "to directly use the IPs" from server B? What's the goal you want to achieve? (2) tell us about your network topology: Where are the servers located? How are they connected to each other? How are they connected to the internet? In general, you can't "remotely use" a NIC, so you'll have to use different networking tools to achieve what you want. And to explain how to do that, we have to know what you want to achieve.
    – dirkt
    Dec 15 at 10:45











  • @dirkt : thanks for you reply . (1) software installed in SERVER_A use public_IP in his configuration. i cant install this software in SERVER_B. (licence issue) (2) SERVER_A is dedicated server in OVH hosting. / SERVER_B dont exist today but can be in ovh too. (but not in the same LAN) -> then these two server have to communicate over internet (why not tunneling)
    – MTI
    Dec 15 at 14:04
















0














considering this case :



SERVER A using one nic & multiple IP
eth0:0 / eth0:1 / eth0:2 ...



SERVER B using one nic & multiple IP
eth1:0 / eth1:1 / eth1:2 ...



how can i use directly inside my 'SERVER A' all these nic (or public ip) from eth0:0, eth0:1, eth0:2, eth1:0, eth1:1, eth1:2 ...



Im using software inside SERVER A that need to use directly 'public ip' from each NIC (both SERVER A and SERVER B)



In answer to the question in the comments:



(1) software installed in SERVER_A use public_IP in his configuration. i cant install this software in SERVER_B. (licence issue)



(2) SERVER_A is dedicated server in OVH hosting. / SERVER_B dont exist today but can be in ovh too. (but not in the same LAN) -> then these two server have to communicate over internet (why not tunneling)










share|improve this question



















  • 3




    Welcome to SEUL. One method of achieving the network topology you desire would be to use routing - specifically network address translation (NAT) to forward traffic from SERVER B to SERVER A and allow SERVER A to masquerade as SERVER B using NATing.
    – datUser
    Dec 14 at 21:19










  • @datUser - I somehow get the feeling that NAT is not what they're after, though I may be barking up the wrong tree - the wording is quite unclear.
    – tink
    Dec 14 at 21:30










  • Thanks for your welcome :) maybe have you an exemple or tutorial to achieve my needs? As information two server are not in the same lan.
    – MTI
    Dec 14 at 21:33










  • Could you please edit your question and indicate (1) why you need server A "to directly use the IPs" from server B? What's the goal you want to achieve? (2) tell us about your network topology: Where are the servers located? How are they connected to each other? How are they connected to the internet? In general, you can't "remotely use" a NIC, so you'll have to use different networking tools to achieve what you want. And to explain how to do that, we have to know what you want to achieve.
    – dirkt
    Dec 15 at 10:45











  • @dirkt : thanks for you reply . (1) software installed in SERVER_A use public_IP in his configuration. i cant install this software in SERVER_B. (licence issue) (2) SERVER_A is dedicated server in OVH hosting. / SERVER_B dont exist today but can be in ovh too. (but not in the same LAN) -> then these two server have to communicate over internet (why not tunneling)
    – MTI
    Dec 15 at 14:04














0












0








0







considering this case :



SERVER A using one nic & multiple IP
eth0:0 / eth0:1 / eth0:2 ...



SERVER B using one nic & multiple IP
eth1:0 / eth1:1 / eth1:2 ...



how can i use directly inside my 'SERVER A' all these nic (or public ip) from eth0:0, eth0:1, eth0:2, eth1:0, eth1:1, eth1:2 ...



Im using software inside SERVER A that need to use directly 'public ip' from each NIC (both SERVER A and SERVER B)



In answer to the question in the comments:



(1) software installed in SERVER_A use public_IP in his configuration. i cant install this software in SERVER_B. (licence issue)



(2) SERVER_A is dedicated server in OVH hosting. / SERVER_B dont exist today but can be in ovh too. (but not in the same LAN) -> then these two server have to communicate over internet (why not tunneling)










share|improve this question















considering this case :



SERVER A using one nic & multiple IP
eth0:0 / eth0:1 / eth0:2 ...



SERVER B using one nic & multiple IP
eth1:0 / eth1:1 / eth1:2 ...



how can i use directly inside my 'SERVER A' all these nic (or public ip) from eth0:0, eth0:1, eth0:2, eth1:0, eth1:1, eth1:2 ...



Im using software inside SERVER A that need to use directly 'public ip' from each NIC (both SERVER A and SERVER B)



In answer to the question in the comments:



(1) software installed in SERVER_A use public_IP in his configuration. i cant install this software in SERVER_B. (licence issue)



(2) SERVER_A is dedicated server in OVH hosting. / SERVER_B dont exist today but can be in ovh too. (but not in the same LAN) -> then these two server have to communicate over internet (why not tunneling)







debian ubuntu networking






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share|improve this question













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edited Dec 15 at 16:10









dirkt

16.6k21335




16.6k21335










asked Dec 14 at 20:57









MTI

1




1







  • 3




    Welcome to SEUL. One method of achieving the network topology you desire would be to use routing - specifically network address translation (NAT) to forward traffic from SERVER B to SERVER A and allow SERVER A to masquerade as SERVER B using NATing.
    – datUser
    Dec 14 at 21:19










  • @datUser - I somehow get the feeling that NAT is not what they're after, though I may be barking up the wrong tree - the wording is quite unclear.
    – tink
    Dec 14 at 21:30










  • Thanks for your welcome :) maybe have you an exemple or tutorial to achieve my needs? As information two server are not in the same lan.
    – MTI
    Dec 14 at 21:33










  • Could you please edit your question and indicate (1) why you need server A "to directly use the IPs" from server B? What's the goal you want to achieve? (2) tell us about your network topology: Where are the servers located? How are they connected to each other? How are they connected to the internet? In general, you can't "remotely use" a NIC, so you'll have to use different networking tools to achieve what you want. And to explain how to do that, we have to know what you want to achieve.
    – dirkt
    Dec 15 at 10:45











  • @dirkt : thanks for you reply . (1) software installed in SERVER_A use public_IP in his configuration. i cant install this software in SERVER_B. (licence issue) (2) SERVER_A is dedicated server in OVH hosting. / SERVER_B dont exist today but can be in ovh too. (but not in the same LAN) -> then these two server have to communicate over internet (why not tunneling)
    – MTI
    Dec 15 at 14:04













  • 3




    Welcome to SEUL. One method of achieving the network topology you desire would be to use routing - specifically network address translation (NAT) to forward traffic from SERVER B to SERVER A and allow SERVER A to masquerade as SERVER B using NATing.
    – datUser
    Dec 14 at 21:19










  • @datUser - I somehow get the feeling that NAT is not what they're after, though I may be barking up the wrong tree - the wording is quite unclear.
    – tink
    Dec 14 at 21:30










  • Thanks for your welcome :) maybe have you an exemple or tutorial to achieve my needs? As information two server are not in the same lan.
    – MTI
    Dec 14 at 21:33










  • Could you please edit your question and indicate (1) why you need server A "to directly use the IPs" from server B? What's the goal you want to achieve? (2) tell us about your network topology: Where are the servers located? How are they connected to each other? How are they connected to the internet? In general, you can't "remotely use" a NIC, so you'll have to use different networking tools to achieve what you want. And to explain how to do that, we have to know what you want to achieve.
    – dirkt
    Dec 15 at 10:45











  • @dirkt : thanks for you reply . (1) software installed in SERVER_A use public_IP in his configuration. i cant install this software in SERVER_B. (licence issue) (2) SERVER_A is dedicated server in OVH hosting. / SERVER_B dont exist today but can be in ovh too. (but not in the same LAN) -> then these two server have to communicate over internet (why not tunneling)
    – MTI
    Dec 15 at 14:04








3




3




Welcome to SEUL. One method of achieving the network topology you desire would be to use routing - specifically network address translation (NAT) to forward traffic from SERVER B to SERVER A and allow SERVER A to masquerade as SERVER B using NATing.
– datUser
Dec 14 at 21:19




Welcome to SEUL. One method of achieving the network topology you desire would be to use routing - specifically network address translation (NAT) to forward traffic from SERVER B to SERVER A and allow SERVER A to masquerade as SERVER B using NATing.
– datUser
Dec 14 at 21:19












@datUser - I somehow get the feeling that NAT is not what they're after, though I may be barking up the wrong tree - the wording is quite unclear.
– tink
Dec 14 at 21:30




@datUser - I somehow get the feeling that NAT is not what they're after, though I may be barking up the wrong tree - the wording is quite unclear.
– tink
Dec 14 at 21:30












Thanks for your welcome :) maybe have you an exemple or tutorial to achieve my needs? As information two server are not in the same lan.
– MTI
Dec 14 at 21:33




Thanks for your welcome :) maybe have you an exemple or tutorial to achieve my needs? As information two server are not in the same lan.
– MTI
Dec 14 at 21:33












Could you please edit your question and indicate (1) why you need server A "to directly use the IPs" from server B? What's the goal you want to achieve? (2) tell us about your network topology: Where are the servers located? How are they connected to each other? How are they connected to the internet? In general, you can't "remotely use" a NIC, so you'll have to use different networking tools to achieve what you want. And to explain how to do that, we have to know what you want to achieve.
– dirkt
Dec 15 at 10:45





Could you please edit your question and indicate (1) why you need server A "to directly use the IPs" from server B? What's the goal you want to achieve? (2) tell us about your network topology: Where are the servers located? How are they connected to each other? How are they connected to the internet? In general, you can't "remotely use" a NIC, so you'll have to use different networking tools to achieve what you want. And to explain how to do that, we have to know what you want to achieve.
– dirkt
Dec 15 at 10:45













@dirkt : thanks for you reply . (1) software installed in SERVER_A use public_IP in his configuration. i cant install this software in SERVER_B. (licence issue) (2) SERVER_A is dedicated server in OVH hosting. / SERVER_B dont exist today but can be in ovh too. (but not in the same LAN) -> then these two server have to communicate over internet (why not tunneling)
– MTI
Dec 15 at 14:04





@dirkt : thanks for you reply . (1) software installed in SERVER_A use public_IP in his configuration. i cant install this software in SERVER_B. (licence issue) (2) SERVER_A is dedicated server in OVH hosting. / SERVER_B dont exist today but can be in ovh too. (but not in the same LAN) -> then these two server have to communicate over internet (why not tunneling)
– MTI
Dec 15 at 14:04
















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