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Jay Chang
Enthusiast

Mac Address Appear in multiple hosts

Hi,

I am seeing Mac address for my VM's appearing on all the hosts in the cluster.  Is this normal behavior? 

We are running ESXi4.1 with VSM 4.2(1)SV1(4) on the Nexus 1010 appliance.  Any help on this would be appreciated.  Thanks.

FC-DCnxVSM-01# show mac add add 0050.5691.68a3

VLAN      MAC Address       Type    Age       Port                           Mod

---------+-----------------+-------+---------+------------------------------+---

212       0050.5691.68a3    static  0         Veth132                        5 

212       0050.5691.68a3    dynamic 161       Po4                            6 

212       0050.5691.68a3    dynamic 160       Po5                            7 

212       0050.5691.68a3    dynamic 161       Po6                            8 

212       0050.5691.68a3    dynamic 161       Po7                            9 

212       0050.5691.68a3    dynamic 160       Po8                            10

212       0050.5691.68a3    dynamic 161       Po9                            11

212       0050.5691.68a3    dynamic 161       Po10                           12

212       0050.5691.68a3    dynamic 161       Po11                           13

212       0050.5691.68a3    dynamic 161       Po12                           14

212       0050.5691.68a3    dynamic 161       Po13                           15

212       0050.5691.68a3    dynamic 86        Po14                           16

212       0050.5691.68a3    dynamic 161       Po15                           17

212       0050.5691.68a3    dynamic 161       Po16                           18

212       0050.5691.68a3    dynamic 161       Po17                           19

Total MAC Addresses: 15

FC-DCnxVSM-01# sh mod
Mod  Ports  Module-Type                       Model               Status
---  -----  --------------------------------  ------------------  ------------
1    0      Virtual Supervisor Module         Nexus1000V          ha-standby
2    0      Virtual Supervisor Module         Nexus1000V          active *
5    248    Virtual Ethernet Module           NA                  ok
6    248    Virtual Ethernet Module           NA                  ok
7    248    Virtual Ethernet Module           NA                  ok
8    248    Virtual Ethernet Module           NA                  ok
9    248    Virtual Ethernet Module           NA                  ok
10   248    Virtual Ethernet Module           NA                  ok
11   248    Virtual Ethernet Module           NA                  ok
12   248    Virtual Ethernet Module           NA                  ok
13   248    Virtual Ethernet Module           NA                  ok
14   248    Virtual Ethernet Module           NA                  ok
15   248    Virtual Ethernet Module           NA                  ok
16   248    Virtual Ethernet Module           NA                  ok
17   248    Virtual Ethernet Module           NA                  ok
18   248    Virtual Ethernet Module           NA                  ok
19   248    Virtual Ethernet Module           NA                  ok

Mod  Sw                Hw     
---  ----------------  ------------------------------------------------ 
1    4.2(1)SV1(4)      0.0                                             
2    4.2(1)SV1(4)      0.0                                             
5    4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
6    4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
7    4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
8    4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
9    4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
10   4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
11   4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
12   4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
13   4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
14   4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
15   4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
16   4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
17   4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
18   4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     
19   4.2(1)SV1(4)      VMware ESXi 4.1.0 Releasebuild-348481 (2.0)     

Mod  MAC-Address(es)                         Serial-Num
---  --------------------------------------  ----------
1    00-19-07-6c-5a-a8 to 00-19-07-6c-62-a8  NA
2    00-19-07-6c-5a-a8 to 00-19-07-6c-62-a8  NA
5    02-00-0c-00-05-00 to 02-00-0c-00-05-80  NA
6    02-00-0c-00-06-00 to 02-00-0c-00-06-80  NA
7    02-00-0c-00-07-00 to 02-00-0c-00-07-80  NA
8    02-00-0c-00-08-00 to 02-00-0c-00-08-80  NA
9    02-00-0c-00-09-00 to 02-00-0c-00-09-80  NA
10   02-00-0c-00-0a-00 to 02-00-0c-00-0a-80  NA
11   02-00-0c-00-0b-00 to 02-00-0c-00-0b-80  NA
12   02-00-0c-00-0c-00 to 02-00-0c-00-0c-80  NA
13   02-00-0c-00-0d-00 to 02-00-0c-00-0d-80  NA
14   02-00-0c-00-0e-00 to 02-00-0c-00-0e-80  NA
15   02-00-0c-00-0f-00 to 02-00-0c-00-0f-80  NA
16   02-00-0c-00-10-00 to 02-00-0c-00-10-80  NA
17   02-00-0c-00-11-00 to 02-00-0c-00-11-80  NA
18   02-00-0c-00-12-00 to 02-00-0c-00-12-80  NA
19   02-00-0c-00-13-00 to 02-00-0c-00-13-80  NA

Mod  Server-IP        Server-UUID                           Server-Name
---  ---------------  ------------------------------------  --------------------
1    10.20.201.5      NA                                    NA
2    10.20.201.5      NA                                    NA
5    10.20.201.49     44454c4c-4700-105a-8050-c4c04f534d31  fcvmw49.na.gilead.com
6    10.20.201.50     44454c4c-5000-1059-8038-c7c04f4a4e31  fcvmw50.na.gilead.com
7    10.20.201.54     44454c4c-4e00-1056-8046-c6c04f355031  fcvmw54.na.gilead.com
8    10.20.201.56     44454c4c-4e00-1056-8046-c8c04f355031  fcvmw56.na.gilead.com
9    10.20.201.53     44454c4c-4e00-1056-8046-c7c04f355031  fcvmw53.na.gilead.com
10   10.20.201.55     44454c4c-4e00-1056-8046-c4c04f355031  fcvmw55.na.gilead.com
11   10.20.201.57     44454c4c-3600-1039-8038-cac04f345031  fcvmw57.na.gilead.com
12   10.20.201.58     44454c4c-3600-1039-8038-c6c04f345031  fcvmw58.na.gilead.com
13   10.20.201.59     44454c4c-3600-1039-8038-c8c04f345031  fcvmw59.na.gilead.com
14   10.20.201.62     44454c4c-5700-1044-8033-c2c04f315131  fcvmw62.na.gilead.com
15   10.20.201.61     44454c4c-5700-1044-8033-c3c04f315131  fcvmw61.na.gilead.com
16   10.20.201.63     44454c4c-5700-1044-8033-b9c04f315131  fcvmw63.na.gilead.com
17   10.20.201.60     44454c4c-5700-1044-8033-b8c04f315131  fcvmw60.na.gilead.com
18   10.20.201.51     44454c4c-4800-104c-804d-b6c04f505131  fcvmw51.na.gilead.com
19   10.20.201.52     44454c4c-4800-104c-804d-b7c04f505131  fcvmw52.na.gilead.com

1 ACCEPTED SOLUTION

Accepted Solutions
Robert Burns
Cisco Employee

This is normal behavior.

The MAC addresses are propogated to all VEM hosts so they know whether the VM is local or remote to the host.  You'll notice that each MAC will be "static" on the actual host its running on, and "dynamic" on every other host.

Regards,

Robert

View solution in original post

1 REPLY 1
Robert Burns
Cisco Employee

This is normal behavior.

The MAC addresses are propogated to all VEM hosts so they know whether the VM is local or remote to the host.  You'll notice that each MAC will be "static" on the actual host its running on, and "dynamic" on every other host.

Regards,

Robert

View solution in original post

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