Hello
I am experiencing a strange problem and would be grateful to have some advice on this.
I have a Switch (WS-C3750X-48P-S) version (flash:/c3750e-universalk9-mz.122-55.SE5).
I have two devices connected on two ports of the switch Gi1/0/41 and Gi1/0/42.
The configuration on the interfaces are as follows:
interface GigabitEthernet1/0/41
description ### ALert Logic monitor port ###
switchport access vlan 2
switchport mode access
load-interval 30
duplex full
spanning-tree portfast
end
sw01#sh run int Gi1/0/42
Building configuration...
Current configuration : 196 bytes
!
interface GigabitEthernet1/0/42
description ### ALert Logic monitor port ###
switchport access vlan 2
switchport mode access
load-interval 30
duplex full
spanning-tree portfast
end
But I cannot see them on the MAC address table
sw01#sh mac address-table int Gi1/0/41
Mac Address Table
-------------------------------------------
Vlan Mac Address Type Ports
---- ----------- -------- -----
sw01#sh mac address-table int Gi1/0/42
Mac Address Table
-------------------------------------------
Vlan Mac Address Type Ports
---- ----------- -------- -----
I was able to see that a couple of hours back
sh mac address-table int Gi1/0/41
Mac Address Table
-------------------------------------------
Vlan Mac Address Type Ports
---- ----------- -------- -----
2 a036.9f36.d885 DYNAMIC Gi1/0/41
Total Mac Addresses for this criterion: 1
sw01# sh mac address-table int Gi1/0/42
Mac Address Table
-------------------------------------------
Vlan Mac Address Type Ports
---- ----------- -------- -----
2 a036.9f36.d884 DYNAMIC Gi1/0/42
Total Mac Addresses for this criterion: 1
But since I could not see IP addresses getting associated to the MAC addresses, I did a shut / no shut on the port but have not been able to see the MAC address since. Any advice as to what may have gone wrong?
sw01(config)#int Gi1/0/41
sw01(config-if)#no shut
sw01(config-if)#int Gi1/0/42
sw01(config-if)#no shut
sw01(config-if)#^Z
Any hints would be much appreciated.
Thanks
Kaushik
