Hi

I'm seeing some strange behavior with networking inside my LDom  
environment, and was hoping that somebody has experienced the same  
issue. And hopefully have an idea how to fix it :-)

First, here is some background information.. The system is a T5240  
running Solaris 10u5, and LDom 1.0.3. There are 5 LDoms configured,  
and all are using each of three virtual switches and each switch is  
connected to a single network port.

The primary domain has 8 VCPUs and 8GB of RAM allocated to it. Nothing  
else is running in it. Each LDom is configured with 24 VCPUs, 3 MAUs,  
at least 22GB of RAM and three virtual nic.

Every now and then a LDom will drop off our network for no apparent  
reason. The LDom is still running, I am able to connect to the console  
and the vnet0 interface is still plumbed. I cannot ping the LDom from  
the outside or from the primary domain. Generally if I leave the  
system for a period of time (say 10-15mins) everything comes back to  
life.

Nothing of relevance shows up in the logs of either the LDom or the  
primary domain, aside from the inability connect to our NIS or NFS  
servers.

Below is a listing of the configuration. If anybody needs more  
information please let me know. Any ideas would be helpful!

Scott



torsun01sx:/root# ldm list-bindings -e
NAME             STATE    FLAGS   CONS    VCPU  MEMORY   UTIL  UPTIME
primary          active   -n-cv   SP      8     8G       2.8%  20h 36m

MAC
     00:14:4f:e8:a9:b8

VCPU
     VID    PID    UTIL STRAND
     0      0      1.7%   100%
     1      1      1.5%   100%
     2      2      0.3%   100%
     3      3      0.1%   100%
     4      4      1.8%   100%
     5      5      0.3%   100%
     6      6      0.1%   100%
     7      7      0.2%   100%

MAU
     ID     CPUSET
     0      (0, 1, 2, 3, 4, 5, 6, 7)

MEMORY
     RA               PA               SIZE
     0xe000000        0xe000000        8G

IO
     DEVICE           PSEUDONYM        OPTIONS
     pci at 400          pci_0
     pci at 500          pci_1

VCC
     NAME             PORT-RANGE
     primary-vcc0     5001-5100
         CLIENT                      PORT   LDC
         torld-soln02 at primary-vcc0   5001   17
         torld-soln01 at primary-vcc0   5002   26
         torld-qa02 at primary-vcc0     5003   33
         torld-qa01 at primary-vcc0     5004   40
         torld-soleng01 at primary-vcc0 5005   46

VSW
     NAME             MAC               NET-DEV   DEVICE     MODE
     primary-vsw1     00:14:4f:f9:ef:b6 nxge1     switch at 0
         PEER                        MAC               LDC
         vnet0 at torld-soln02          00:14:4f:fb:ae:3c 11
         vnet2 at torld-soln01          00:14:4f:f9:08:7e 21
         vnet1 at torld-qa02            00:14:4f:fb:7d:0e 28
         vnet2 at torld-qa01            00:14:4f:fb:0d:8a 36
         vnet1 at torld-soleng01        00:14:4f:f9:64:9b 42
     NAME             MAC               NET-DEV   DEVICE     MODE
     primary-vsw2     00:14:4f:fa:a2:aa nxge2     switch at 1
         PEER                        MAC               LDC
         vnet1 at torld-soln02          00:14:4f:fb:c2:74 12
         vnet0 at torld-soln01          00:14:4f:f8:44:52 18
         vnet2 at torld-qa02            00:14:4f:f9:8f:26 29
         vnet0 at torld-qa01            00:14:4f:f9:7c:be 34
         vnet2 at torld-soleng01        00:14:4f:fa:28:34 43
     NAME             MAC               NET-DEV   DEVICE     MODE
     primary-vsw3     00:14:4f:fb:22:8b nxge3     switch at 2
         PEER                        MAC               LDC
         vnet2 at torld-soln02          00:14:4f:fa:3c:e3 14
         vnet1 at torld-soln01          00:14:4f:fb:66:d4 19
         vnet0 at torld-qa02            00:14:4f:f9:e9:26 27
         vnet1 at torld-qa01            00:14:4f:fa:a6:e1 35
         vnet0 at torld-soleng01        00:14:4f:fb:05:47 41

VDS
     NAME             VOLUME         OPTIONS          DEVICE
     primary-vds0     torld-soln02_dsk01                  /data/ldom/ 
torld-soln02/dsk01.img
                      torld-qa01_dsk01                  /data/ldom/ 
torld-qa01/dsk01.img
                      torld-qa01_dsk02                  /data/ldom/ 
torld-qa01/dsk02.img
                      torld-qa02_dsk01                  /data/ldom/ 
torld-qa02/dsk01.img
                      torld-qa02_dsk02                  /data/ldom/ 
torld-qa02/dsk02.img
                      torld-soln01_dsk01                  /data/ldom/ 
torld-soln01/dsk01.img
                      torld-soleng01_dsk01                  /data/ldom/ 
torld-soleng01/dsk01.img
         CLIENT                      VOLUME         LDC
         torld-soln02_dsk01 at torld-soln02 torld-soln02_dsk01 15
         torld-soln01_dsk01 at torld-soln01 torld-soln01_dsk01 24
         torld-qa02_dsk01 at torld-qa02 torld-qa02_dsk01 30
         torld-qa02_dsk02 at torld-qa02 torld-qa02_dsk02 31
         torld-qa01_dsk01 at torld-qa01 torld-qa01_dsk01 37
         torld-qa01_dsk02 at torld-qa01 torld-qa01_dsk02 38
         torld-soleng01_dsk01 at torld-soleng01 torld-soleng01_dsk01 44

VLDC
     NAME
     primary-vldc3
         CLIENT                      DESC              LDC
         SP                          spds              20
         SP                          sunvts            6
         SP                          sunmc             7
         SP                          explorer          8
         SP                          led               9
         SP                          flashupdate       10
         SP                          system-management 13
     NAME
     primary-vldc0
         CLIENT                      DESC              LDC
         hvctl at primary               hvctl             0
         ds at primary                  domain-services   1
         vldcc1 at primary              fma               3
         ds at torld-soln02             domain-services   16
         ds at torld-soln01             domain-services   25
         ds at torld-qa02               domain-services   32
         ds at torld-qa01               domain-services   39
         ds at torld-soleng01           domain-services   45

VLDCC
     NAME             SERVICE                     DESC              LDC
     ds               primary-vldc0 at primary       domain-services   2
     vldcc2           SP                          spfma             5
     vldcc1           primary-vldc0 at primary       ldmfma            4

VCONS
     NAME             SERVICE                     PORT   LDC
     SP

------------------------------------------------------------------------------
NAME             STATE    FLAGS   CONS    VCPU  MEMORY   UTIL  UPTIME
torld-qa01       active   -n---   5004    24    24G      1.0%  15h 1m

MAC
     00:14:4f:f8:22:3c

VCPU
     VID    PID    UTIL STRAND
     0      80     0.0%   100%
     1      81      26%   100%
     2      82     0.0%   100%
     3      83     5.1%   100%
     4      84     0.0%   100%
     5      85      89%   100%
     6      86     0.0%   100%
     7      87     0.0%   100%
     8      88     0.5%   100%
     9      89     0.3%   100%
     10     90     0.0%   100%
     11     91     0.0%   100%
     12     92     0.0%   100%
     13     93     0.1%   100%
     14     94     0.0%   100%
     15     95     0.0%   100%
     16     96     0.2%   100%
     17     97     0.0%   100%
     18     98     0.0%   100%
     19     99     0.0%   100%
     20     100    0.0%   100%
     21     101    0.0%   100%
     22     102    0.0%   100%
     23     103    0.0%   100%

MAU
     ID     CPUSET
     10     (80, 81, 82, 83, 84, 85, 86, 87)
     11     (88, 89, 90, 91, 92, 93, 94, 95)
     12     (96, 97, 98, 99, 100, 101, 102, 103)

MEMORY
     RA               PA               SIZE
     0xe000000        0x140e000000     24G

NETWORK
     NAME             SERVICE                     DEVICE     MAC
     vnet0            primary-vsw2 at primary        network at 0   
00:14:4f:f9:7c:be
         PEER                        MAC               LDC
         primary-vsw2 at primary        00:14:4f:fa:a2:aa 0
         vnet1 at torld-soln02          00:14:4f:fb:c2:74 1
         vnet0 at torld-soln01          00:14:4f:f8:44:52 2
         vnet2 at torld-qa02            00:14:4f:f9:8f:26 3
         vnet2 at torld-soleng01        00:14:4f:fa:28:34 18
     NAME             SERVICE                     DEVICE     MAC
     vnet1            primary-vsw3 at primary        network at 1   
00:14:4f:fa:a6:e1
         PEER                        MAC               LDC
         primary-vsw3 at primary        00:14:4f:fb:22:8b 4
         vnet2 at torld-soln02          00:14:4f:fa:3c:e3 5
         vnet1 at torld-soln01          00:14:4f:fb:66:d4 6
         vnet0 at torld-qa02            00:14:4f:f9:e9:26 7
         vnet0 at torld-soleng01        00:14:4f:fb:05:47 16
     NAME             SERVICE                     DEVICE     MAC
     vnet2            primary-vsw1 at primary        network at 2   
00:14:4f:fb:0d:8a
         PEER                        MAC               LDC
         primary-vsw1 at primary        00:14:4f:f9:ef:b6 8
         vnet0 at torld-soln02          00:14:4f:fb:ae:3c 9
         vnet2 at torld-soln01          00:14:4f:f9:08:7e 10
         vnet1 at torld-qa02            00:14:4f:fb:7d:0e 11
         vnet1 at torld-soleng01        00:14:4f:f9:64:9b 17

DISK
     NAME             VOLUME                      TOUT DEVICE   
SERVER         LDC
     torld-qa01_dsk01 torld-qa01_dsk01 at primary-vds0      disk at 0   
primary        12
     torld-qa01_dsk02 torld-qa01_dsk02 at primary-vds0      disk at 1   
primary        13

VLDCC
     NAME             SERVICE                     DESC              LDC
     ds               primary-vldc0 at primary       domain-services   14

VCONS
     NAME             SERVICE                     PORT   LDC
     torld-qa01       primary-vcc0 at primary        5004   15

------------------------------------------------------------------------------
NAME             STATE    FLAGS   CONS    VCPU  MEMORY   UTIL  UPTIME
torld-qa02       active   -n---   5003    24    24G      0.1%  15h 35m

MAC
     00:14:4f:fb:03:f5

VCPU
     VID    PID    UTIL STRAND
     0      56     1.2%   100%
     1      57      49%   100%
     2      58     0.0%   100%
     3      59     9.9%   100%
     4      60     0.0%   100%
     5      61      79%   100%
     6      62     0.0%   100%
     7      63     0.0%   100%
     8      64     5.0%   100%
     9      65     0.0%   100%
     10     66     0.0%   100%
     11     67     0.0%   100%
     12     68     0.0%   100%
     13     69     0.0%   100%
     14     70     0.0%   100%
     15     71     0.0%   100%
     16     72     0.0%   100%
     17     73     0.0%   100%
     18     74     0.0%   100%
     19     75     0.0%   100%
     20     76     0.0%   100%
     21     77     0.0%   100%
     22     78     0.0%   100%
     23     79     0.0%   100%

MAU
     ID     CPUSET
     7      (56, 57, 58, 59, 60, 61, 62, 63)
     8      (64, 65, 66, 67, 68, 69, 70, 71)
     9      (72, 73, 74, 75, 76, 77, 78, 79)

MEMORY
     RA               PA               SIZE
     0xe000000        0xe0e000000      24G

NETWORK
     NAME             SERVICE                     DEVICE     MAC
     vnet0            primary-vsw3 at primary        network at 0   
00:14:4f:f9:e9:26
         PEER                        MAC               LDC
         primary-vsw3 at primary        00:14:4f:fb:22:8b 0
         vnet2 at torld-soln02          00:14:4f:fa:3c:e3 1
         vnet1 at torld-soln01          00:14:4f:fb:66:d4 2
         vnet1 at torld-qa01            00:14:4f:fa:a6:e1 14
         vnet0 at torld-soleng01        00:14:4f:fb:05:47 16
     NAME             SERVICE                     DEVICE     MAC
     vnet1            primary-vsw1 at primary        network at 1   
00:14:4f:fb:7d:0e
         PEER                        MAC               LDC
         primary-vsw1 at primary        00:14:4f:f9:ef:b6 3
         vnet0 at torld-soln02          00:14:4f:fb:ae:3c 4
         vnet2 at torld-soln01          00:14:4f:f9:08:7e 5
         vnet2 at torld-qa01            00:14:4f:fb:0d:8a 15
         vnet1 at torld-soleng01        00:14:4f:f9:64:9b 17
     NAME             SERVICE                     DEVICE     MAC
     vnet2            primary-vsw2 at primary        network at 2   
00:14:4f:f9:8f:26
         PEER                        MAC               LDC
         primary-vsw2 at primary        00:14:4f:fa:a2:aa 6
         vnet1 at torld-soln02          00:14:4f:fb:c2:74 7
         vnet0 at torld-soln01          00:14:4f:f8:44:52 8
         vnet0 at torld-qa01            00:14:4f:f9:7c:be 13
         vnet2 at torld-soleng01        00:14:4f:fa:28:34 18

DISK
     NAME             VOLUME                      TOUT DEVICE   
SERVER         LDC
     torld-qa02_dsk01 torld-qa02_dsk01 at primary-vds0      disk at 0   
primary        9
     torld-qa02_dsk02 torld-qa02_dsk02 at primary-vds0      disk at 1   
primary        10

VLDCC
     NAME             SERVICE                     DESC              LDC
     ds               primary-vldc0 at primary       domain-services   11

VCONS
     NAME             SERVICE                     PORT   LDC
     torld-qa02       primary-vcc0 at primary        5003   12

------------------------------------------------------------------------------
NAME             STATE    FLAGS   CONS    VCPU  MEMORY   UTIL  UPTIME
torld-soleng01   active   -n---   5005    24    22G       26%  37m

MAC
     00:14:4f:fa:4c:a1

VCPU
     VID    PID    UTIL STRAND
     0      104    0.0%   100%
     1      105     51%   100%
     2      106    0.0%   100%
     3      107     10%   100%
     4      108    0.0%   100%
     5      109     78%   100%
     6      110    0.0%   100%
     7      111    0.0%   100%
     8      112    0.0%   100%
     9      113    0.0%   100%
     10     114    0.0%   100%
     11     115    0.0%   100%
     12     116    0.0%   100%
     13     117    0.0%   100%
     14     118    0.0%   100%
     15     119    0.0%   100%
     16     120    0.0%   100%
     17     121    0.0%   100%
     18     122    0.0%   100%
     19     123    0.0%   100%
     20     124    0.0%   100%
     21     125    0.0%   100%
     22     126    0.0%   100%
     23     127    0.0%   100%

MAU
     ID     CPUSET
     13     (104, 105, 106, 107, 108, 109, 110, 111)
     14     (112, 113, 114, 115, 116, 117, 118, 119)
     15     (120, 121, 122, 123, 124, 125, 126, 127)

MEMORY
     RA               PA               SIZE
     0xe000000        0x1a0e000000     22G

NETWORK
     NAME             SERVICE                     DEVICE     MAC
     vnet0            primary-vsw3 at primary        network at 0   
00:14:4f:fb:05:47
         PEER                        MAC               LDC
         primary-vsw3 at primary        00:14:4f:fb:22:8b 0
         vnet2 at torld-soln02          00:14:4f:fa:3c:e3 1
         vnet1 at torld-soln01          00:14:4f:fb:66:d4 2
         vnet0 at torld-qa02            00:14:4f:f9:e9:26 3
         vnet1 at torld-qa01            00:14:4f:fa:a6:e1 4
     NAME             SERVICE                     DEVICE     MAC
     vnet1            primary-vsw1 at primary        network at 1   
00:14:4f:f9:64:9b
         PEER                        MAC               LDC
         primary-vsw1 at primary        00:14:4f:f9:ef:b6 5
         vnet0 at torld-soln02          00:14:4f:fb:ae:3c 6
         vnet2 at torld-soln01          00:14:4f:f9:08:7e 7
         vnet1 at torld-qa02            00:14:4f:fb:7d:0e 8
         vnet2 at torld-qa01            00:14:4f:fb:0d:8a 9
     NAME             SERVICE                     DEVICE     MAC
     vnet2            primary-vsw2 at primary        network at 2   
00:14:4f:fa:28:34
         PEER                        MAC               LDC
         primary-vsw2 at primary        00:14:4f:fa:a2:aa 10
         vnet1 at torld-soln02          00:14:4f:fb:c2:74 11
         vnet0 at torld-soln01          00:14:4f:f8:44:52 12
         vnet2 at torld-qa02            00:14:4f:f9:8f:26 13
         vnet0 at torld-qa01            00:14:4f:f9:7c:be 14

DISK
     NAME             VOLUME                      TOUT DEVICE   
SERVER         LDC
     torld-soleng01_dsk01 torld-soleng01_dsk01 at primary-vds0       
disk at 0  primary        15

VLDCC
     NAME             SERVICE                     DESC              LDC
     ds               primary-vldc0 at primary       domain-services   16

VCONS
     NAME             SERVICE                     PORT   LDC
     torld-soleng01   primary-vcc0 at primary        5005   17

------------------------------------------------------------------------------
NAME             STATE    FLAGS   CONS    VCPU  MEMORY   UTIL  UPTIME
torld-soln01     active   -n---   5002    24    24G      0.1%  15h 46m

MAC
     00:14:4f:f9:69:4a

VCPU
     VID    PID    UTIL STRAND
     0      32     0.0%   100%
     1      33      52%   100%
     2      34     0.0%   100%
     3      35      10%   100%
     4      36     0.0%   100%
     5      37      78%   100%
     6      38     0.0%   100%
     7      39     0.0%   100%
     8      40     0.0%   100%
     9      41     0.0%   100%
     10     42     0.0%   100%
     11     43     0.0%   100%
     12     44     0.0%   100%
     13     45     0.0%   100%
     14     46     0.0%   100%
     15     47     0.0%   100%
     16     48     0.0%   100%
     17     49     0.0%   100%
     18     50     0.0%   100%
     19     51     0.0%   100%
     20     52     0.0%   100%
     21     53     0.0%   100%
     22     54     0.0%   100%
     23     55     0.0%   100%

MAU
     ID     CPUSET
     4      (32, 33, 34, 35, 36, 37, 38, 39)
     5      (40, 41, 42, 43, 44, 45, 46, 47)
     6      (48, 49, 50, 51, 52, 53, 54, 55)

MEMORY
     RA               PA               SIZE
     0xe000000        0x80e000000      24G

NETWORK
     NAME             SERVICE                     DEVICE     MAC
     vnet0            primary-vsw2 at primary        network at 0   
00:14:4f:f8:44:52
         PEER                        MAC               LDC
         primary-vsw2 at primary        00:14:4f:fa:a2:aa 0
         vnet1 at torld-soln02          00:14:4f:fb:c2:74 1
         vnet2 at torld-qa02            00:14:4f:f9:8f:26 11
         vnet0 at torld-qa01            00:14:4f:f9:7c:be 12
         vnet2 at torld-soleng01        00:14:4f:fa:28:34 17
     NAME             SERVICE                     DEVICE     MAC
     vnet1            primary-vsw3 at primary        network at 1   
00:14:4f:fb:66:d4
         PEER                        MAC               LDC
         primary-vsw3 at primary        00:14:4f:fb:22:8b 2
         vnet2 at torld-soln02          00:14:4f:fa:3c:e3 3
         vnet0 at torld-qa02            00:14:4f:f9:e9:26 9
         vnet1 at torld-qa01            00:14:4f:fa:a6:e1 13
         vnet0 at torld-soleng01        00:14:4f:fb:05:47 15
     NAME             SERVICE                     DEVICE     MAC
     vnet2            primary-vsw1 at primary        network at 2   
00:14:4f:f9:08:7e
         PEER                        MAC               LDC
         primary-vsw1 at primary        00:14:4f:f9:ef:b6 4
         vnet0 at torld-soln02          00:14:4f:fb:ae:3c 5
         vnet1 at torld-qa02            00:14:4f:fb:7d:0e 10
         vnet2 at torld-qa01            00:14:4f:fb:0d:8a 14
         vnet1 at torld-soleng01        00:14:4f:f9:64:9b 16

DISK
     NAME             VOLUME                      TOUT DEVICE   
SERVER         LDC
     torld-soln01_dsk01 torld-soln01_dsk01 at primary-vds0      disk at 0   
primary        6

VLDCC
     NAME             SERVICE                     DESC              LDC
     ds               primary-vldc0 at primary       domain-services   7

VCONS
     NAME             SERVICE                     PORT   LDC
     torld-soln01     primary-vcc0 at primary        5002   8

------------------------------------------------------------------------------
NAME             STATE    FLAGS   CONS    VCPU  MEMORY   UTIL  UPTIME
torld-soln02     active   -n---   5001    24    24G      0.1%  19h 40m

MAC
     00:14:4f:fb:d1:3d

VCPU
     VID    PID    UTIL STRAND
     0      8      0.0%   100%
     1      9       50%   100%
     2      10     0.0%   100%
     3      11      10%   100%
     4      12     0.0%   100%
     5      13      79%   100%
     6      14     0.0%   100%
     7      15     0.0%   100%
     8      16     1.0%   100%
     9      17     0.0%   100%
     10     18     0.0%   100%
     11     19     0.0%   100%
     12     20     0.0%   100%
     13     21     0.0%   100%
     14     22     0.0%   100%
     15     23     0.0%   100%
     16     24     0.0%   100%
     17     25     0.0%   100%
     18     26     0.0%   100%
     19     27     0.0%   100%
     20     28     0.0%   100%
     21     29     0.0%   100%
     22     30     0.0%   100%
     23     31     0.0%   100%

MAU
     ID     CPUSET
     1      (8, 9, 10, 11, 12, 13, 14, 15)
     2      (16, 17, 18, 19, 20, 21, 22, 23)
     3      (24, 25, 26, 27, 28, 29, 30, 31)

MEMORY
     RA               PA               SIZE
     0xe000000        0x20e000000      24G

NETWORK
     NAME             SERVICE                     DEVICE     MAC
     vnet0            primary-vsw1 at primary        network at 0   
00:14:4f:fb:ae:3c
         PEER                        MAC               LDC
         primary-vsw1 at primary        00:14:4f:f9:ef:b6 0
         vnet2 at torld-soln01          00:14:4f:f9:08:7e 8
         vnet1 at torld-qa02            00:14:4f:fb:7d:0e 10
         vnet2 at torld-qa01            00:14:4f:fb:0d:8a 14
         vnet1 at torld-soleng01        00:14:4f:f9:64:9b 16
     NAME             SERVICE                     DEVICE     MAC
     vnet1            primary-vsw2 at primary        network at 1   
00:14:4f:fb:c2:74
         PEER                        MAC               LDC
         primary-vsw2 at primary        00:14:4f:fa:a2:aa 1
         vnet0 at torld-soln01          00:14:4f:f8:44:52 6
         vnet2 at torld-qa02            00:14:4f:f9:8f:26 11
         vnet0 at torld-qa01            00:14:4f:f9:7c:be 12
         vnet2 at torld-soleng01        00:14:4f:fa:28:34 17
     NAME             SERVICE                     DEVICE     MAC
     vnet2            primary-vsw3 at primary        network at 2   
00:14:4f:fa:3c:e3
         PEER                        MAC               LDC
         primary-vsw3 at primary        00:14:4f:fb:22:8b 2
         vnet1 at torld-soln01          00:14:4f:fb:66:d4 7
         vnet0 at torld-qa02            00:14:4f:f9:e9:26 9
         vnet1 at torld-qa01            00:14:4f:fa:a6:e1 13
         vnet0 at torld-soleng01        00:14:4f:fb:05:47 15

DISK
     NAME             VOLUME                      TOUT DEVICE   
SERVER         LDC
     torld-soln02_dsk01 torld-soln02_dsk01 at primary-vds0      disk at 0   
primary        3

VLDCC
     NAME             SERVICE                     DESC              LDC
     ds               primary-vldc0 at primary       domain-services   4

VCONS
     NAME             SERVICE                     PORT   LDC
     torld-soln02     primary-vcc0 at primary        5001   5

torsun01sx:/root#


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