Hi,

I am trying to connect a PCI interface by following the instructions on the 
wiki on a Centos 7 system.

I built and installed VPP and was able to setup the interface 
GigabitEthernet1/0/1 and add the ip address.

Unfortunately all messages are being dropped. The following is a capture of my 
ping:

00:43:16:995516: dpdk-input
  GigabitEthernet1/0/1 rx queue 0
  buffer 0xccda79: current data 14, length 84, free-list 0, clone-count 0, 
totlen-nifb 0, trace 0x3
  PKT MBUF: port 0, nb_segs 1, pkt_len 98
    buf_len 2176, data_len 98, ol_flags 0x180, data_off 128, phys_addr 0x8d65d40
    packet_type 0x11
    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
    Packet Types
      RTE_PTYPE_L2_ETHER (0x0001) Ethernet packet
      RTE_PTYPE_L3_IPV4 (0x0010) IPv4 packet without extension headers
  IP4: b8:38:61:64:91:bf -> 2c:5a:0f:ff:c1:5b
  ICMP: 10.30.3.2 -> 10.30.5.2
    tos 0x00, ttl 63, length 84, checksum 0x7106
    fragment id 0xae63, flags DONT_FRAGMENT
  ICMP echo_request checksum 0x9b75
00:43:16:995524: ip4-input-no-checksum
  ICMP: 10.30.3.2 -> 10.30.5.2
    tos 0x00, ttl 63, length 84, checksum 0x7106
    fragment id 0xae63, flags DONT_FRAGMENT
  ICMP echo_request checksum 0x9b75
00:43:16:995530: ip4-lookup
  fib 0 dpo-idx 6 flow hash: 0x00000000
  ICMP: 10.30.3.2 -> 10.30.5.2
    tos 0x00, ttl 63, length 84, checksum 0x7106
    fragment id 0xae63, flags DONT_FRAGMENT
  ICMP echo_request checksum 0x9b75
00:43:16:995542: ip4-local
    ICMP: 10.30.3.2 -> 10.30.5.2
      tos 0x00, ttl 63, length 84, checksum 0x7106
      fragment id 0xae63, flags DONT_FRAGMENT
    ICMP echo_request checksum 0x9b75
00:43:16:995546: error-drop
  ip4-input: ip4 source lookup miss

I suspect that this is because I was unable to run the modprobe igb_uio as 
indicated in the wiki.

Any ideas on how to set this up to work correctly on a Centos machine?

Thanks,

Guy
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  • ... Guy Doucet -X (gudoucet - FLEXTRONICS CANADA DESIGN SERVICES INC at Cisco)
    • ... Damjan Marion

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