Comware

We have an IRF domain of 2 5700 switches that are at the moment on the same rack

MAD-BFD is configured as follows directly connecting the MAD-LINK ports
vlan 600
 description "BFD MAD"
#
interface Vlan-interface600
 mad bfd enable
 mad ip address 10.170.250.1 255.255.255.240 member 1
 mad ip address 10.170.250.2 255.255.255.240 member 2
#
interface Ten-GigabitEthernet1/0/32
 description "BFD MAD Interface"
 port access vlan 600
 undo stp enable
#
interface Ten-GigabitEthernet2/0/32
 description "BFD MAD Interface"
 port access vlan 600
 undo stp enable
#

Now the plan is to separate the two switches in two datacenters which are connected through a couple of Cisco core switches.

The IRF-Links will still be direct, so it's no issue, but the MAD-BFD links will be "locally" connected to the "local" cisco core device.

The question is :

Supposing to add the VLAN 600 on cisco cores and add it to the Trunk which connects the two datacenters is this a configuration that would work and be supported?

Hi Stefano,

I think you can use it. Say pass VLAN 600 as tagged across the Cisco switch. Also, change it to tagged on G1/0/32 and G2/0/32.

I did a quick check on H3C Simulator Lab and it does work.

Also, note that the guide says not to use data traffic on these MAD interfaces. But it works.

If you will use the Cisco switch purely for the MAD  then there shouldn't be any issues.

Let me know if you tried it.