Ping issues through NEXUS to Riverbed

Hello all
I am seeing something strange and would be grateful to get some advise on this
I have a set like ASR 1001 - X > NEXUS 5548UP > FEX 2248TP-E > Riverbed Steelhead.
Config on ASR is
interface TenGigabitEthernet0/0/0.100
encapsulation dot1Q 100
ip vrf forwarding TEST
ip address 172.26.2.65 255.255.255.192
end
NEXUS 5548UP config
100 RB_WAN_test                      active    Po1, Po120, Po200, Eth1/1
                                                Eth1/4, Eth1/19, Eth1/20
                                                Eth1/23, Eth1/24, Eth1/31
                                                Eth1/32, Eth100/1/1
101 RB_LAN_test                      active    Po1, Po120, Po200, Eth1/1
                                                Eth1/4, Eth1/19, Eth1/20
                                                Eth1/23, Eth1/24, Eth1/31
                                                Eth1/32, Eth100/1/2
interface Ethernet100/1/1
switchport access vlan 100
spanning-tree bpdufilter enable
interface Ethernet100/1/2
switchport access vlan 101
spanning-tree bpdufilter enable
I swapped out two Riverbed but still cannot ping the in-path ip address.
Anything else that needs to be done to allow this?
Any advise or hints will be most appreciated.
thanks

A quality-of-service (QoS) aware lossless fabric avoids the problems associated with head-of-line blocking.
Router# show running-config

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