+-------------------------------------------------------------------------+ | | | | | IXIA | | | | | +-----------------------------------------------------------^-------------+ |172.16.1.1/24 | 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> on behalf of "Damjan Marion via Lists.Fd.Io" <dmarion=me....@lists.fd.io> Reply-To: "dmar...@me.com" <dmar...@me.com> Date: Wednesday, October 16, 2019 at 5:12 PM To: "chuan...@google.com" <chuan...@google.com> Cc: "vpp-dev@lists.fd.io" <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 <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
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