Hi everyone! When I was testing the bridge function，everything worked fine with the following configuration：
> > BD-ID Index BSN Age(min) Learn Forwrd UU-Flood Flood > ARP-Term ARP-ufwd BVI-Intf > 1 1 0 off off on flood on > off off N/A > > But when i disabled bridge-domain flood and add static mac for mac table, the bridge-domain didn't forward packets and show errors likes below: > > Packet 1 > > 00:02:40:993565: dpdk-input > GbitEth0/0/2 rx queue 0 > buffer 0x4b4e78: current data 0, length 60, buffer-pool 0, ref-count 1, > totlen-nifb 0, trace handle 0x1000000 > ext-hdr-valid > l4-cksum-computed l4-cksum-correct > PKT MBUF: port 1, nb_segs 1, pkt_len 60 > buf_len 2176, data_len 60, ol_flags 0x180, data_off 128, phys_addr > 0x91f39e80 > packet_type 0x0 l2_len 0 l3_len 0 outer_l2_len 0 outer_l3_len 0 > rss 0x0 fdir.hi 0x0 fdir.lo 0x0 > Packet Offload Flags > PKT_RX_IP_CKSUM_GOOD (0x0080) IP cksum of RX pkt. is valid > PKT_RX_L4_CKSUM_GOOD (0x0100) L4 cksum of RX pkt. is valid > ARP: c8:d3:ff:ba:51:2b -> ff:ff:ff:ff:ff:ff > request, type ethernet/IP4, address size 6/4 > c8:d3:ff:ba:51:2b/192.168.0.200 -> 00:00:00:00:00:00/192.168.0.111 > 00:02:40:993578: flowprobe-l2 > FLOWPROBE[IP4]: rx_sw_if_index 0, tx_sw_if_index 0, timestamp 0, size 0 > 00:02:40:993588: ethernet-input > ARP: c8:d3:ff:ba:51:2b -> ff:ff:ff:ff:ff:ff > 00:02:40:993592: l2-input > l2-input: sw_if_index 2 dst ff:ff:ff:ff:ff:ff src c8:d3:ff:ba:51:2b > 00:02:40:993595: feature-bitmap-drop > feat_bitmap_drop: feature bitmap 0x00000001 > 00:02:40:993597: error-drop > rx:GbitEth0/0/2 > 00:02:40:993599: drop > feature-bitmap-drop: L2 feature forwarding disabled > Why l2_input dropped packets? I browsed the l2_input.c codes and find some codes like this: > > /* Disable bridge forwarding (flooding will execute instead if not > xconnect) */ > feat_mask &= ~( L2INPUT_FEAT_FWD | > L2INPUT_FEAT_UU_FLOOD | > L2INPUT_FEAT_UU_FWD | L2INPUT_FEAT_GBP_FWD ); > Some confusions are why Disable bridge forwarding and instead with flooding? some suggestions are appreciated！ Best Regeards, Xiaopeng
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