Good day!
I have 2 Catalyst 3650 in stack (role intervlan routing)
#show version
Cisco IOS Software, IOS-XE Software, Catalyst L3 Switch Software (CAT3K_CAA-UNIVERSALK9-M), Version 03.06.06E
And 2 ISPs provide service VLAN to remote office - VLAN ID the same 3524 and configured like mode access.
1-st ISP works, bun when I try to connect second ISP - doesn't work.
Before turn on port of 2 ISP I shut down port 1 ISP.
Configuration Catalyst 3650
Interface GigabitEthernet1/0/1 (before connect ISP-2 I shutdown this port)
description ISP-1
switchport access vlan 3524
switchport mode access
spanning-tree portfast
Interface GigabitEthernet1/0/2 (and no shutdown this)
description ISP-2
shutdown
switchport access vlan 3524
switchport mode access
spanning-tree portfast
#show ip interface brief
Vlan3524 192.168.3.1 YES manual up up
Remote switch
C3560 Software (C3560-IPBASEK9-M), Version 15.0(2)SE11
show ip interface brief
Vlan3524 192.168.3.41 YES NVRAM up up
#show spanning-tree vlan 3524
Interface Role Sts Cost Prio.Nbr Type
------------------- ---- --- --------- -------- --------------------------------
Gi0/1 Desg FWD 4 128.1 P2p
Gi0/2 Desg FWD 4 128.2 P2p
Interesting fact when I change Catalyst 3650 to another (3560) switch ports between ISPs works.
Configuration this switch the same
interface GigabitEthernet0/1 (ISP1)
switchport access vlan 3524
switchport mode access
spanning-tree portfast
!
interface GigabitEthernet0/2 (ISP2)
switchport access vlan 3524
switchport mode access
spanning-tree portfast
May be reason in that
On 3650 (in production)
#show mac address-table learning
Learning disabled on vlans:
And I can't turn in on
(config)#mac address-table learning vlan 3524
doesn't help - learning steel disabled.
maybe its normal for 3650 in stackwise?
Perhaps there is an assumption of what is the reason.
