Ethernet Products
Intel® Ethernet products and technologies
Announcements
Welcome to the Intel Community. If you get an answer you like, please mark it as an Accepted Solution to help others. Thank you!
3696 Discussions

Port shows as NO-CARRIER, state down though the cable is plugged in, Please suggest

PASOK2
Beginner
967 Views

Port shows as NO-CARRIER, state down though the cable is plugged in, Please suggest

$ lspci | grep Omni

0c:00.0 Fabric controller: Intel Corporation Omni-Path HFI Silicon 100 Series [discrete] (rev 11)

1b:00.0 Fabric controller: Intel Corporation Omni-Path HFI Silicon 100 Series [discrete] (rev 11)

58:00.0 Fabric controller: Intel Corporation Omni-Path HFI Silicon 100 Series [discrete] (rev 11)

5e:00.0 Fabric controller: Intel Corporation Omni-Path HFI Silicon 100 Series [discrete] (rev 11)

$

5: ib0: mtu 2044 qdisc pfifo_fast state UP qlen 256

link/infiniband 80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:79:00:1c brd 00:ff:ff:ff:ff:12:40:1b:80:01:00:00:00:00:00:00:ff:ff:ff:ff

inet 10.14.0.3/8 brd 10.255.255.255 scope global ib0

valid_lft forever preferred_lft forever

inet6 fe80::211:7501:179:1c/64 scope link

valid_lft forever preferred_lft forever

6: ib1: mtu 2044 qdisc pfifo_fast state UP qlen 256

link/infiniband 80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:78:ce:d9 brd 00:ff:ff:ff:ff:12:40:1b:80:01:00:00:00:00:00:00:ff:ff:ff:ff

inet 10.14.1.3/8 brd 10.255.255.255 scope global ib1

valid_lft forever preferred_lft forever

inet6 fe80::211:7501:178:ced9/64 scope link

valid_lft forever preferred_lft forever

7: ib2: mtu 2044 qdisc pfifo_fast state UP qlen 256

link/infiniband 80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:01:01:78:ce:d7 brd 00:ff:ff:ff:ff:12:40:1b:80:01:00:00:00:00:00:00:ff:ff:ff:ff

inet 10.14.2.3/8 brd 10.255.255.255 scope global ib2

valid_lft forever preferred_lft forever

inet6 fe80::211:7501:178:ced7/64 scope link

valid_lft forever preferred_lft forever

8: ib3: mtu 2044 qdisc pfifo_fast state DOWN qlen 256

link/infiniband 80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:81:01:79:00:1c brd 00:ff:ff:ff:ff:12:40:1b:80:01:00:00:00:00:00:00:ff:ff:ff:ff

inet 10.14.3.3/8 brd 10.255.255.255 scope global ib3

valid_lft forever preferred_lft forever

$

after rebooting the node. it came up.

8: ib3: mtu 2044 qdisc pfifo_fast state UP qlen 256

link/infiniband 80:00:00:02:fe:80:00:00:00:00:00:00:00:11:75:81:01:79:00:1c brd 00:ff:ff:ff:ff:12:40:1b:80:01:00:00:00:00:00:00:ff:ff:ff:ff

inet 10.14.3.3/8 brd 10.255.255.255 scope global ib3

valid_lft forever preferred_lft forever

inet6 fe80::211:7581:179:1c/64 scope link

valid_lft forever preferred_lft forever

may I know what could be the reason for such behavior. is it possible to recover without reboot for such cases

0 Kudos
0 Replies
Reply