mlag port blocked

[Tim_Welch]

I have the following mlag configuration:

I have created an mlag with a Juniper router with no problems. However, on the mlag 2 with the Dell server, port 2 on R1484 is "blocked on the vlan". Here is my config on R1484:
******************************************
# R1484 config

create vlan "contrail"
configure vlan contrail tag 10

create vlan "R1484-R1485-IRL"
configure vlan R1484-R1485-IRL tag 974

configure ports 2 auto off speed 10000 duplex full
configure ports 46 auto off speed 10000 duplex full
configure ports 47 auto off speed 10000 duplex full

enable sharing 46 grouping 46-47 algorithm address-based L2 lacp
enable sharing 2 grouping 2 algorithm address-based L2 lacp

configure vlan contrail add ports 46, 48 tagged
configure vlan contrail add ports 2 untagged
configure vlan R1484-R1485-IRL add ports 46 tagged
configure vlan R1484-R1485-IRL ipaddress 10.124.242.121 255.255.255.252

# Module lacp configuration.
configure sharing 2 lacp timeout short

# Module vsm configuration.
create mlag peer "R1485"
configure mlag peer "R1485" ipaddress 10.124.242.122 vr VR-Default
enable mlag port 2 peer "R1485" id 2
****************************************

Here's the config on the Dell:
***************************************
auto em1
iface em1 inet manual
bond-master bond1

auto em2
iface em2 inet manual
bond-master bond1

auto bond1
iface bond1 inet static
address 192.168.135.12
gateway 192.168.135.1
netmask 255.255.255.0
#use standard IEEE 802.3ad LACP bonding protocol
bond-mode 4
bond-miimon 100
bond-lacp-rate 1
bond-slaves em1 em2
*********************************************

Does anyone have any suggestions as to why port 2 on R1484 is blocked?
This only happens with mlag. If I do a single link bond to R1484, no issues. Is there some
sort of looping going on here?

Thanks in advance,

Tim

[Patrick_Voss]

Hello Tim,

Can you show us the output where you are seeing the port blocked. MLAG should not block ports so it may be another protocol doing this.