Two Macs with 10Gbe connected directly via Cat7. Sometimes falls back to 1Gbe. Need to adjust routing table...

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Two Macs with 10Gbe connected directly via Cat7. Sometimes falls back to 1Gbe. Need to adjust routing table to ensure 10Gbe at all times



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I have two Macs with 10Gbe connected directly via Cat7 (15ft). I've set the service order on both so that the 10Gbe interfaces are top of the list.



I've also followed all the instructions pertaining to Mac here…
https://support.studionetworksolutions.com/hc/en-us/articles/218325983-10GbE-recommendations-and-troubleshooting-v2-



However I've noticed some evidence that SMB file sharing traffic is randomly sending data via regular old ethernet too. I've edited the /etc/nsmb.conf on both machines…



On the iMac:



[Server]
addr=10.0.0.1


and on the Mac Pro server:



[Marks-iMac]
addr=10.0.0.2


However, I would really like to leave no doubt and edit my routing table to force all traffic between them over 10Gbe.



My IP info is…



iMac 10Gbe (Thunderbolt) = 10.0.0.2 – Subnet Mask 255.255.0.0

iMac 1Gbe Built in Ethernet = 192.168.50.2 – Subnet Mask 255.255.255.0



Mac Pro 10Gbe (PCI) address = 10.0.0.1 – Subnet Mask 255.255.0.0

Mac Pro 1Gbe Built in Ethernet = 192.168.50.4 – Subnet Mask 255.255.255.0



netstat -nr currently looks like this…



Destination        Gateway            Flags        Refs      Use   Netif Expire
default 192.168.50.1 UGSc 298 0 en0
default 192.168.50.1 UGScI 5 0 en1
10/16 link#7 UCS 1 0 en8 !
10.0.0.1 0:17:b6:0:6f:8 UHLWIi 3 6960820 en8 542
10.0.0.2/32 link#7 UCS 0 0 en8 !
127 127.0.0.1 UCS 0 0 lo0
127.0.0.1 127.0.0.1 UH 5 276 lo0
169.254 link#6 UCS 1 0 en0 !
169.254 link#7 UCSI 0 0 en8 !
169.254 link#8 UCSI 0 0 en1 !
192.168.50 link#6 UCS 12 0 en0 !
192.168.50 link#8 UCSI 7 0 en1 !
192.168.50.1/32 link#6 UCS 5 0 en0 !
192.168.50.1 c:9d:92:2c:45:20 UHLWIir 227 961 en0 1174
192.168.50.1 c:9d:92:2c:45:20 UHLWIir 4 0 en1 515
192.168.50.1/32 link#8 UCSI 1 0 en1 !
192.168.50.2/32 link#6 UCS 0 0 en0 !
192.168.50.2 98:10:e8:f3:cc:6e UHLWI 0 2 en1 844
192.168.50.3/32 link#8 UCS 0 0 en1 !
192.168.50.4 e8:6:88:cb:a4:c0 UHLWIi 1 78780 en0 853
192.168.50.6 18:3:73:b2:e8:44 UHLWI 0 0 en1 516
192.168.50.71 1c:36:bb:bf:2:8a UHLWI 0 48 en0 549
192.168.50.71 1c:36:bb:bf:2:8a UHLWI 0 46 en1 558
192.168.50.74 c8:d0:83:a9:b1:59 UHLWIi 2 210 en0 853
192.168.50.90 b8:c1:11:13:b6:93 UHLWIi 3 2970 en0 844
192.168.50.90 b8:c1:11:13:b6:93 UHLWI 0 14 en1 873
192.168.50.126 0:17:88:22:28:5c UHLWIi 1 69 en0 1193
192.168.50.126 0:17:88:22:28:5c UHLWI 0 0 en1 517
192.168.50.135 c8:69:cd:2f:64:f8 UHLWIi 1 31 en0 853
192.168.50.149 0:18:dd:32:75:1 UHLWI 0 218 en0 1183
192.168.50.149 0:18:dd:32:75:1 UHLWI 0 0 en1 1185
192.168.50.245 dc:56:e7:b:65:d4 UHLWIi 14 8798 en0 531
192.168.50.245 dc:56:e7:b:65:d4 UHLWIi 2 65 en1 561
224.0.0/4 link#6 UmCS 2 0 en0 !
224.0.0/4 link#7 UmCSI 1 0 en8 !
224.0.0/4 link#8 UmCSI 2 0 en1 !
224.0.0.251 1:0:5e:0:0:fb UHmLWI 0 0 en0
224.0.0.251 1:0:5e:0:0:fb UHmLWI 0 0 en1
239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 6 en0
239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 3 en8
239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 1 en1
255.255.255.255/32 link#6 UCS 0 0 en0 !
255.255.255.255/32 link#7 UCSI 0 0 en8 !
255.255.255.255/32 link#8 UCSI 0 0 en1 !


Some parts of networking (such as this kind of thing) are outside of my comfort zone. I'm hesitant to touch anything in case I screw up the network and I'm unable to restore it. I would appreciate any assistance!










share|improve this question







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    I have two Macs with 10Gbe connected directly via Cat7 (15ft). I've set the service order on both so that the 10Gbe interfaces are top of the list.



    I've also followed all the instructions pertaining to Mac here…
    https://support.studionetworksolutions.com/hc/en-us/articles/218325983-10GbE-recommendations-and-troubleshooting-v2-



    However I've noticed some evidence that SMB file sharing traffic is randomly sending data via regular old ethernet too. I've edited the /etc/nsmb.conf on both machines…



    On the iMac:



    [Server]
    addr=10.0.0.1


    and on the Mac Pro server:



    [Marks-iMac]
    addr=10.0.0.2


    However, I would really like to leave no doubt and edit my routing table to force all traffic between them over 10Gbe.



    My IP info is…



    iMac 10Gbe (Thunderbolt) = 10.0.0.2 – Subnet Mask 255.255.0.0

    iMac 1Gbe Built in Ethernet = 192.168.50.2 – Subnet Mask 255.255.255.0



    Mac Pro 10Gbe (PCI) address = 10.0.0.1 – Subnet Mask 255.255.0.0

    Mac Pro 1Gbe Built in Ethernet = 192.168.50.4 – Subnet Mask 255.255.255.0



    netstat -nr currently looks like this…



    Destination        Gateway            Flags        Refs      Use   Netif Expire
    default 192.168.50.1 UGSc 298 0 en0
    default 192.168.50.1 UGScI 5 0 en1
    10/16 link#7 UCS 1 0 en8 !
    10.0.0.1 0:17:b6:0:6f:8 UHLWIi 3 6960820 en8 542
    10.0.0.2/32 link#7 UCS 0 0 en8 !
    127 127.0.0.1 UCS 0 0 lo0
    127.0.0.1 127.0.0.1 UH 5 276 lo0
    169.254 link#6 UCS 1 0 en0 !
    169.254 link#7 UCSI 0 0 en8 !
    169.254 link#8 UCSI 0 0 en1 !
    192.168.50 link#6 UCS 12 0 en0 !
    192.168.50 link#8 UCSI 7 0 en1 !
    192.168.50.1/32 link#6 UCS 5 0 en0 !
    192.168.50.1 c:9d:92:2c:45:20 UHLWIir 227 961 en0 1174
    192.168.50.1 c:9d:92:2c:45:20 UHLWIir 4 0 en1 515
    192.168.50.1/32 link#8 UCSI 1 0 en1 !
    192.168.50.2/32 link#6 UCS 0 0 en0 !
    192.168.50.2 98:10:e8:f3:cc:6e UHLWI 0 2 en1 844
    192.168.50.3/32 link#8 UCS 0 0 en1 !
    192.168.50.4 e8:6:88:cb:a4:c0 UHLWIi 1 78780 en0 853
    192.168.50.6 18:3:73:b2:e8:44 UHLWI 0 0 en1 516
    192.168.50.71 1c:36:bb:bf:2:8a UHLWI 0 48 en0 549
    192.168.50.71 1c:36:bb:bf:2:8a UHLWI 0 46 en1 558
    192.168.50.74 c8:d0:83:a9:b1:59 UHLWIi 2 210 en0 853
    192.168.50.90 b8:c1:11:13:b6:93 UHLWIi 3 2970 en0 844
    192.168.50.90 b8:c1:11:13:b6:93 UHLWI 0 14 en1 873
    192.168.50.126 0:17:88:22:28:5c UHLWIi 1 69 en0 1193
    192.168.50.126 0:17:88:22:28:5c UHLWI 0 0 en1 517
    192.168.50.135 c8:69:cd:2f:64:f8 UHLWIi 1 31 en0 853
    192.168.50.149 0:18:dd:32:75:1 UHLWI 0 218 en0 1183
    192.168.50.149 0:18:dd:32:75:1 UHLWI 0 0 en1 1185
    192.168.50.245 dc:56:e7:b:65:d4 UHLWIi 14 8798 en0 531
    192.168.50.245 dc:56:e7:b:65:d4 UHLWIi 2 65 en1 561
    224.0.0/4 link#6 UmCS 2 0 en0 !
    224.0.0/4 link#7 UmCSI 1 0 en8 !
    224.0.0/4 link#8 UmCSI 2 0 en1 !
    224.0.0.251 1:0:5e:0:0:fb UHmLWI 0 0 en0
    224.0.0.251 1:0:5e:0:0:fb UHmLWI 0 0 en1
    239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 6 en0
    239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 3 en8
    239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 1 en1
    255.255.255.255/32 link#6 UCS 0 0 en0 !
    255.255.255.255/32 link#7 UCSI 0 0 en8 !
    255.255.255.255/32 link#8 UCSI 0 0 en1 !


    Some parts of networking (such as this kind of thing) are outside of my comfort zone. I'm hesitant to touch anything in case I screw up the network and I'm unable to restore it. I would appreciate any assistance!










    share|improve this question







    New contributor




    markpaterson is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
    Check out our Code of Conduct.























      0












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      0


      0






      I have two Macs with 10Gbe connected directly via Cat7 (15ft). I've set the service order on both so that the 10Gbe interfaces are top of the list.



      I've also followed all the instructions pertaining to Mac here…
      https://support.studionetworksolutions.com/hc/en-us/articles/218325983-10GbE-recommendations-and-troubleshooting-v2-



      However I've noticed some evidence that SMB file sharing traffic is randomly sending data via regular old ethernet too. I've edited the /etc/nsmb.conf on both machines…



      On the iMac:



      [Server]
      addr=10.0.0.1


      and on the Mac Pro server:



      [Marks-iMac]
      addr=10.0.0.2


      However, I would really like to leave no doubt and edit my routing table to force all traffic between them over 10Gbe.



      My IP info is…



      iMac 10Gbe (Thunderbolt) = 10.0.0.2 – Subnet Mask 255.255.0.0

      iMac 1Gbe Built in Ethernet = 192.168.50.2 – Subnet Mask 255.255.255.0



      Mac Pro 10Gbe (PCI) address = 10.0.0.1 – Subnet Mask 255.255.0.0

      Mac Pro 1Gbe Built in Ethernet = 192.168.50.4 – Subnet Mask 255.255.255.0



      netstat -nr currently looks like this…



      Destination        Gateway            Flags        Refs      Use   Netif Expire
      default 192.168.50.1 UGSc 298 0 en0
      default 192.168.50.1 UGScI 5 0 en1
      10/16 link#7 UCS 1 0 en8 !
      10.0.0.1 0:17:b6:0:6f:8 UHLWIi 3 6960820 en8 542
      10.0.0.2/32 link#7 UCS 0 0 en8 !
      127 127.0.0.1 UCS 0 0 lo0
      127.0.0.1 127.0.0.1 UH 5 276 lo0
      169.254 link#6 UCS 1 0 en0 !
      169.254 link#7 UCSI 0 0 en8 !
      169.254 link#8 UCSI 0 0 en1 !
      192.168.50 link#6 UCS 12 0 en0 !
      192.168.50 link#8 UCSI 7 0 en1 !
      192.168.50.1/32 link#6 UCS 5 0 en0 !
      192.168.50.1 c:9d:92:2c:45:20 UHLWIir 227 961 en0 1174
      192.168.50.1 c:9d:92:2c:45:20 UHLWIir 4 0 en1 515
      192.168.50.1/32 link#8 UCSI 1 0 en1 !
      192.168.50.2/32 link#6 UCS 0 0 en0 !
      192.168.50.2 98:10:e8:f3:cc:6e UHLWI 0 2 en1 844
      192.168.50.3/32 link#8 UCS 0 0 en1 !
      192.168.50.4 e8:6:88:cb:a4:c0 UHLWIi 1 78780 en0 853
      192.168.50.6 18:3:73:b2:e8:44 UHLWI 0 0 en1 516
      192.168.50.71 1c:36:bb:bf:2:8a UHLWI 0 48 en0 549
      192.168.50.71 1c:36:bb:bf:2:8a UHLWI 0 46 en1 558
      192.168.50.74 c8:d0:83:a9:b1:59 UHLWIi 2 210 en0 853
      192.168.50.90 b8:c1:11:13:b6:93 UHLWIi 3 2970 en0 844
      192.168.50.90 b8:c1:11:13:b6:93 UHLWI 0 14 en1 873
      192.168.50.126 0:17:88:22:28:5c UHLWIi 1 69 en0 1193
      192.168.50.126 0:17:88:22:28:5c UHLWI 0 0 en1 517
      192.168.50.135 c8:69:cd:2f:64:f8 UHLWIi 1 31 en0 853
      192.168.50.149 0:18:dd:32:75:1 UHLWI 0 218 en0 1183
      192.168.50.149 0:18:dd:32:75:1 UHLWI 0 0 en1 1185
      192.168.50.245 dc:56:e7:b:65:d4 UHLWIi 14 8798 en0 531
      192.168.50.245 dc:56:e7:b:65:d4 UHLWIi 2 65 en1 561
      224.0.0/4 link#6 UmCS 2 0 en0 !
      224.0.0/4 link#7 UmCSI 1 0 en8 !
      224.0.0/4 link#8 UmCSI 2 0 en1 !
      224.0.0.251 1:0:5e:0:0:fb UHmLWI 0 0 en0
      224.0.0.251 1:0:5e:0:0:fb UHmLWI 0 0 en1
      239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 6 en0
      239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 3 en8
      239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 1 en1
      255.255.255.255/32 link#6 UCS 0 0 en0 !
      255.255.255.255/32 link#7 UCSI 0 0 en8 !
      255.255.255.255/32 link#8 UCSI 0 0 en1 !


      Some parts of networking (such as this kind of thing) are outside of my comfort zone. I'm hesitant to touch anything in case I screw up the network and I'm unable to restore it. I would appreciate any assistance!










      share|improve this question







      New contributor




      markpaterson is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
      Check out our Code of Conduct.












      I have two Macs with 10Gbe connected directly via Cat7 (15ft). I've set the service order on both so that the 10Gbe interfaces are top of the list.



      I've also followed all the instructions pertaining to Mac here…
      https://support.studionetworksolutions.com/hc/en-us/articles/218325983-10GbE-recommendations-and-troubleshooting-v2-



      However I've noticed some evidence that SMB file sharing traffic is randomly sending data via regular old ethernet too. I've edited the /etc/nsmb.conf on both machines…



      On the iMac:



      [Server]
      addr=10.0.0.1


      and on the Mac Pro server:



      [Marks-iMac]
      addr=10.0.0.2


      However, I would really like to leave no doubt and edit my routing table to force all traffic between them over 10Gbe.



      My IP info is…



      iMac 10Gbe (Thunderbolt) = 10.0.0.2 – Subnet Mask 255.255.0.0

      iMac 1Gbe Built in Ethernet = 192.168.50.2 – Subnet Mask 255.255.255.0



      Mac Pro 10Gbe (PCI) address = 10.0.0.1 – Subnet Mask 255.255.0.0

      Mac Pro 1Gbe Built in Ethernet = 192.168.50.4 – Subnet Mask 255.255.255.0



      netstat -nr currently looks like this…



      Destination        Gateway            Flags        Refs      Use   Netif Expire
      default 192.168.50.1 UGSc 298 0 en0
      default 192.168.50.1 UGScI 5 0 en1
      10/16 link#7 UCS 1 0 en8 !
      10.0.0.1 0:17:b6:0:6f:8 UHLWIi 3 6960820 en8 542
      10.0.0.2/32 link#7 UCS 0 0 en8 !
      127 127.0.0.1 UCS 0 0 lo0
      127.0.0.1 127.0.0.1 UH 5 276 lo0
      169.254 link#6 UCS 1 0 en0 !
      169.254 link#7 UCSI 0 0 en8 !
      169.254 link#8 UCSI 0 0 en1 !
      192.168.50 link#6 UCS 12 0 en0 !
      192.168.50 link#8 UCSI 7 0 en1 !
      192.168.50.1/32 link#6 UCS 5 0 en0 !
      192.168.50.1 c:9d:92:2c:45:20 UHLWIir 227 961 en0 1174
      192.168.50.1 c:9d:92:2c:45:20 UHLWIir 4 0 en1 515
      192.168.50.1/32 link#8 UCSI 1 0 en1 !
      192.168.50.2/32 link#6 UCS 0 0 en0 !
      192.168.50.2 98:10:e8:f3:cc:6e UHLWI 0 2 en1 844
      192.168.50.3/32 link#8 UCS 0 0 en1 !
      192.168.50.4 e8:6:88:cb:a4:c0 UHLWIi 1 78780 en0 853
      192.168.50.6 18:3:73:b2:e8:44 UHLWI 0 0 en1 516
      192.168.50.71 1c:36:bb:bf:2:8a UHLWI 0 48 en0 549
      192.168.50.71 1c:36:bb:bf:2:8a UHLWI 0 46 en1 558
      192.168.50.74 c8:d0:83:a9:b1:59 UHLWIi 2 210 en0 853
      192.168.50.90 b8:c1:11:13:b6:93 UHLWIi 3 2970 en0 844
      192.168.50.90 b8:c1:11:13:b6:93 UHLWI 0 14 en1 873
      192.168.50.126 0:17:88:22:28:5c UHLWIi 1 69 en0 1193
      192.168.50.126 0:17:88:22:28:5c UHLWI 0 0 en1 517
      192.168.50.135 c8:69:cd:2f:64:f8 UHLWIi 1 31 en0 853
      192.168.50.149 0:18:dd:32:75:1 UHLWI 0 218 en0 1183
      192.168.50.149 0:18:dd:32:75:1 UHLWI 0 0 en1 1185
      192.168.50.245 dc:56:e7:b:65:d4 UHLWIi 14 8798 en0 531
      192.168.50.245 dc:56:e7:b:65:d4 UHLWIi 2 65 en1 561
      224.0.0/4 link#6 UmCS 2 0 en0 !
      224.0.0/4 link#7 UmCSI 1 0 en8 !
      224.0.0/4 link#8 UmCSI 2 0 en1 !
      224.0.0.251 1:0:5e:0:0:fb UHmLWI 0 0 en0
      224.0.0.251 1:0:5e:0:0:fb UHmLWI 0 0 en1
      239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 6 en0
      239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 3 en8
      239.255.255.250 1:0:5e:7f:ff:fa UHmLWI 0 1 en1
      255.255.255.255/32 link#6 UCS 0 0 en0 !
      255.255.255.255/32 link#7 UCSI 0 0 en8 !
      255.255.255.255/32 link#8 UCSI 0 0 en1 !


      Some parts of networking (such as this kind of thing) are outside of my comfort zone. I'm hesitant to touch anything in case I screw up the network and I'm unable to restore it. I would appreciate any assistance!







      routing mac 10gbethernet






      share|improve this question







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      markpaterson is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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      share|improve this question







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      share|improve this question




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      asked 13 mins ago









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