I found more than 50000 packet tx from show ibc on 7609 , I use netdr capture packet on 7600 rsp, found many protocl 006A pakcet from interface IB0/0 destination mac is all zero 00.00.00.00.00.00 packet length is always 124
what is protocol 0x006A， we config nat on rsp720
thank you
------- dump of outgoing inband packet -------
interface IB0/0, routine naboo_ibc_soutput, timestamp 17:33:14.832
dbus info: src_vlan 0x0(0), src_indx 0x387(903), len 0x7C(124)
bpdu 0, index_dir 0, flood 0, dont_lrn 1, dest_indx 0x0(0)
00020008 0000A800 03870000 7C000000 00000000 00000000 00000000 00000000
destmac 00.00.00.00.00.00, srcmac 00.00.00.00.00.00, protocol 006A
layer 3 data: AAAA0300 000C0113 0400FF00 40010800 00001400 061311AB
11130F02 E4005048 9A100000 00000000 00000000 00000000
00000000 00000000 00000000 00000387 00000000 3C12
