It plays a role if it is asymmetric at both ends. You could enable it at both ends and check.
On Oct 17, 2019, at 3:15 PM, Chuan Han <chuan...@google.com> wrote: I rebooted the r230 machine and found the phy nic corresponding to eth has autoneg off. root@esdn-relay:~/gnxi/perf_testing/r230# ethtool enp6s0f1 Settings for enp6s0f1: Supported ports: [ FIBRE ] Supported link modes: 10000baseT/Full Supported pause frame use: Symmetric Supports auto-negotiation: No Supported FEC modes: Not reported Advertised link modes: 10000baseT/Full Advertised pause frame use: Symmetric Advertised auto-negotiation: No Advertised FEC modes: Not reported Speed: 10000Mb/s Duplex: Full Port: Direct Attach Copper PHYAD: 0 Transceiver: internal Auto-negotiation: off Supports Wake-on: d Wake-on: d Current message level: 0x00000007 (7) drv probe link Link detected: yes root@esdn-relay:~/gnxi/perf_testing/r230# On r740, autoneg is on. It is copper. root@esdn-lab:~/gnxi/perf_testing/r740/vpp# ethtool eno3 Settings for eno3: Supported ports: [ TP ] Supported link modes: 100baseT/Full 1000baseT/Full 10000baseT/Full Supported pause frame use: Symmetric Supports auto-negotiation: Yes Supported FEC modes: Not reported Advertised link modes: 100baseT/Full 1000baseT/Full 10000baseT/Full Advertised pause frame use: Symmetric Advertised auto-negotiation: Yes Advertised FEC modes: Not reported Speed: 10000Mb/s Duplex: Full Port: Twisted Pair PHYAD: 0 Transceiver: internal Auto-negotiation: on MDI-X: Unknown Supports Wake-on: umbg Wake-on: g Current message level: 0x00000007 (7) drv probe link Link detected: yes root@esdn-lab:~/gnxi/perf_testing/r740/vpp# not clear if this plays a role or not. On Thu, Oct 17, 2019 at 2:41 PM Chuan Han via Lists.Fd.Io<http://Lists.Fd.Io> <chuanhan=google....@lists.fd.io<mailto:google....@lists.fd.io>> wrote: Restarting ixia controller does not help. We ended up with both ixia ports having '!'. We are not sure how ixia port plays a role here. eth0 interfaces are the interfaces connecting two servers, not to ixia. On Thu, Oct 17, 2019 at 11:26 AM Balaji Venkatraman (balajiv) <bala...@cisco.com<mailto:bala...@cisco.com>> wrote: Hi Chuan, Could you please try to reset the ixia controller connected to port 4? I have seen issues with ‘!’ on ixia. Given the carrier on eth0 is down, I suspect the ixia port. -- Regards, Balaji. From: Chuan Han <chuan...@google.com<mailto:chuan...@google.com>> Date: Thursday, October 17, 2019 at 11:09 AM To: "Balaji Venkatraman (balajiv)" <bala...@cisco.com<mailto:bala...@cisco.com>> Cc: "vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>" <vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>>, Arivudainambi Appachi gounder <aappa...@google.com<mailto:aappa...@google.com>>, Jerry Cen <zhiw...@google.com<mailto:zhiw...@google.com>> Subject: Re: [vpp-dev] Basic l2 bridging does not work Yes. It is unidirectional stream from port 1 to port 4. Another engineer, Nambi, configured ixia. What he showed me yesterday is that xia port connected to port 1 is green and good. ixia port connected to port 4 is green but has a red exclamation mark, which means ping does not work. We also found eth0 on R230 is down shown by "show hardware eth0" command. However "show int" shows it is up. vpp# sh hardware-interfaces eth0 Name Idx Link Hardware eth0 2 down eth0 Link speed: unknown Ethernet address b4:96:91:23:1e:d6 Intel 82599 carrier down flags: admin-up promisc pmd rx-ip4-cksum rx: queues 1 (max 128), desc 512 (min 32 max 4096 align 8) tx: queues 3 (max 64), desc 512 (min 32 max 4096 align 8) pci: device 8086:154d subsystem 8086:7b11 address 0000:06:00.01 numa 0 max rx packet len: 15872 promiscuous: unicast on all-multicast on vlan offload: strip off filter off qinq off rx offload avail: vlan-strip ipv4-cksum udp-cksum tcp-cksum tcp-lro macsec-strip vlan-filter vlan-extend jumbo-frame scatter security keep-crc rx offload active: ipv4-cksum tx offload avail: vlan-insert ipv4-cksum udp-cksum tcp-cksum sctp-cksum tcp-tso macsec-insert multi-segs security tx offload active: none rss avail: ipv4-tcp ipv4-udp ipv4 ipv6-tcp-ex ipv6-udp-ex ipv6-tcp ipv6-udp ipv6-ex ipv6 rss active: none tx burst function: (nil) rx burst function: ixgbe_recv_pkts_vec rx frames ok 33278 rx bytes ok 3960082 extended stats: rx good packets 33278 rx good bytes 3960082 rx q0packets 33278 rx q0bytes 3960082 rx size 65 to 127 packets 33278 rx multicast packets 33278 rx total packets 33278 rx total bytes 3960082 vpp# sh int Name Idx State MTU (L3/IP4/IP6/MPLS) Counter Count eth0 2 up 9000/0/0/0 rx packets 33279 rx bytes 3960201 drops 5 punt 1 tx-error 33274 eth1 1 up 9000/0/0/0 rx packets 33274 rx bytes 3959606 tx packets 33273 tx bytes 3959487 drops 33274 tx-error 3 local0 0 down 0/0/0/0 vpp# On Thu, Oct 17, 2019 at 10:54 AM Balaji Venkatraman (balajiv) <bala...@cisco.com<mailto:bala...@cisco.com>> wrote: Hi Chuan, I assume u have unidirectional stream ? ixia->1->2->3->4->ixia? vpp# sh int Name Idx State MTU (L3/IP4/IP6/MPLS) Counter Count eth0 2 up 9000/0/0/0 rx packets 30925 rx bytes 3680075 drops 5 punt 1 tx-error 30920 eth1 1 up 9000/0/0/0 rx packets 30920 <<< packets are received on port 3 rx bytes 3679480 tx packets 30919 tx bytes 3679361 drops 30920 <<< all dropped at port 3 tx-error 3 local0 0 down 0/0/0/0 On sh error logs on R 230 we see 1 ethernet-input l3 mac mismatch <<<< 3 eth1-output interface is down 30922 eth0-output interface is down Do u see the arp getting resolved on ixia? The mac on ixia at port with 172.16.1.2/24<http://172.16.1.2/24> should be seen on its other port. Are the ixia ports up at both ends? -- Regards, Balaji. From: <vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>> on behalf of "Chuan Han via Lists.Fd.Io<http://Lists.Fd.Io>" <chuanhan=google....@lists.fd.io<mailto:google....@lists.fd.io>> Reply-To: "chuan...@google.com<mailto:chuan...@google.com>" <chuan...@google.com<mailto:chuan...@google.com>> Date: Thursday, October 17, 2019 at 9:59 AM To: "Balaji Venkatraman (balajiv)" <bala...@cisco.com<mailto:bala...@cisco.com>> Cc: "vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>" <vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>> Subject: Re: [vpp-dev] Basic l2 bridging does not work It seems R740 vpp works fine. All packets coming from port 1 go to port 2. vpp# sh int Name Idx State MTU (L3/IP4/IP6/MPLS) Counter Count eth0 2 up 9000/0/0/0 tx packets 30895 tx bytes 3676505 eth1 1 up 9000/0/0/0 rx packets 30895 rx bytes 3676505 local0 0 down 0/0/0/0 vpp# sh int Name Idx State MTU (L3/IP4/IP6/MPLS) Counter Count eth0 2 up 9000/0/0/0 tx packets 30897 tx bytes 3676743 eth1 1 up 9000/0/0/0 rx packets 30897 rx bytes 3676743 local0 0 down 0/0/0/0 vpp# sh error Count Node Reason 30899 l2-output L2 output packets 30899 l2-learn L2 learn packets 1 l2-learn L2 learn misses 30899 l2-input L2 input packets 30899 l2-flood L2 flood packets vpp# The drop happened on R230 vpp. Port 3 dropped all pkts complaining about down interface. However, show command shows interfaces are up. vpp# sh int Name Idx State MTU (L3/IP4/IP6/MPLS) Counter Count eth0 2 up 9000/0/0/0 rx packets 30925 rx bytes 3680075 drops 5 punt 1 tx-error 30920 eth1 1 up 9000/0/0/0 rx packets 30920 rx bytes 3679480 tx packets 30919 tx bytes 3679361 drops 30920 tx-error 3 local0 0 down 0/0/0/0 vpp# sh error Count Node Reason 2 llc-input unknown llc ssap/dsap 61846 l2-output L2 output packets 61846 l2-learn L2 learn packets 2 l2-learn L2 learn misses 61846 l2-input L2 input packets 61846 l2-flood L2 flood packets 1 ethernet-input l3 mac mismatch 3 eth1-output interface is down 30922 eth0-output interface is down vpp# Not sure how to check mac issues. Can you explain a bit more? Here is what I can see on R230 vpp. vpp# show bridge-domain 1 detail BD-ID Index BSN Age(min) Learning U-Forwrd UU-Flood Flooding ARP-Term arp-ufwd BVI-Intf 1 1 0 off on on flood on off off N/A Interface If-idx ISN SHG BVI TxFlood VLAN-Tag-Rewrite eth0 2 1 0 - * none eth1 1 1 0 - * none vpp# sh l2fib verbose Mac-Address BD-Idx If-Idx BSN-ISN Age(min) static filter bvi Interface-Name 28:99:3a:f4:3a:a6 1 2 0/1 - - - - eth0 28:99:3a:f4:3a:9c 1 1 0/1 - - - - eth1 L2FIB total/learned entries: 2/2 Last scan time: 0.0000e0sec Learn limit: 4194304 vpp# On Wed, Oct 16, 2019 at 6:01 PM Balaji Venkatraman (balajiv) <bala...@cisco.com<mailto:bala...@cisco.com>> wrote: +-------------------------------------------------------------------------+ | | | | | IXIA | | | | | +-----------------------------------------------------------^-------------+ |172.16.1.1/24<http://172.16.1.1/24> | 172.16.1.2/24<http://172.16.1.2/24> | | | | |eth0 | eth0 +-----------v-------------+ +------------+-----------+ | 1 | | 4 | | | | | | | | | | | | | | |eth1 eth1 | | | VPP1 2 +--------------------> 3 VPP 2 | | | | | | | | | | | | | | | | | +-------------------------+ +------------------------+ R 740 R 230 Might help if you could check if the packet counts at ingress (port 1) & egress (port 2) match. Similarly 3 & 4. And the mac entries seen on both vpp(s). ARP req/rep tracing might also help. /- Balaji From: <vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>> on behalf of "Damjan Marion via Lists.Fd.Io<http://Lists.Fd.Io>" <dmarion=me....@lists.fd.io<mailto:me....@lists.fd.io>> Reply-To: "dmar...@me.com<mailto:dmar...@me.com>" <dmar...@me.com<mailto:dmar...@me.com>> Date: Wednesday, October 16, 2019 at 5:12 PM To: "chuan...@google.com<mailto:chuan...@google.com>" <chuan...@google.com<mailto:chuan...@google.com>> Cc: "vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>" <vpp-dev@lists.fd.io<mailto:vpp-dev@lists.fd.io>> Subject: Re: [vpp-dev] Basic l2 bridging does not work On 16 Oct 2019, at 16:14, Chuan Han via Lists.Fd.Io<http://Lists.Fd.Io> <chuanhan=google....@lists.fd.io<mailto:chuanhan=google....@lists.fd.io>> wrote: Hi, vpp experts, We are trying to make basic l2 bridge works within vpp. We have two servers: r230 and r740, each of which has two phy nics. Two servers are connected via cable. On each server, we bring these two nics into the same vpp instance and put them into the same l2 bridge. We tried sending traffic using ixia. However, ixia shows ping does not work. I attached the topology, vpp conf files, startup conf file, and logs. Please advise where we could make it wrong. Thanks. Chuan <r230 vpp.conf><r740 vpp.conf><r230 vpp startup.cfg><r740 vpp startup.cfg><r740.log><r230.log><vpp testbed - bridge.pdf>-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#14189): https://lists.fd.io/g/vpp-dev/message/14189 Mute This Topic: https://lists.fd.io/mt/34655826/675642 Group Owner: vpp-dev+ow...@lists.fd.io<mailto:vpp-dev+ow...@lists.fd.io> Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [dmar...@me.com<mailto:dmar...@me.com>] -=-=-=-=-=-=-=-=-=-=-=- On the 1st look everything look ok including the packet trace. Can you try to clear counters* and enable packet trace on both instances. Then send known number of packets and find put where drop happens by looking into same outputs you already shared..... * "clear int", "clear run", "clear trace" -- Damjan -=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#14211): https://lists.fd.io/g/vpp-dev/message/14211 Mute This Topic: https://lists.fd.io/mt/34655826/1991531 Group Owner: vpp-dev+ow...@lists.fd.io<mailto:vpp-dev%2bow...@lists.fd.io> Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [chuan...@google.com<mailto:chuan...@google.com>] -=-=-=-=-=-=-=-=-=-=-=-
-=-=-=-=-=-=-=-=-=-=-=- Links: You receive all messages sent to this group. View/Reply Online (#14217): https://lists.fd.io/g/vpp-dev/message/14217 Mute This Topic: https://lists.fd.io/mt/34655826/21656 Group Owner: vpp-dev+ow...@lists.fd.io Unsubscribe: https://lists.fd.io/g/vpp-dev/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-