On Thu, Aug 14, 2025 at 7:38 PM Nikos Balkanas <nbalka...@gmail.com> wrote:
> Yeah, > > It makes sense. But just to be on the safe side > "I could not ping the interface (Destination unreachable) and packets > stopped flowing through the interface from the host machine" > wouldn't at least give it a try? Seems you have lost your routing tables > to get Destination Unreachable over a static route! > When you get the problem what does the arp command show? > Before the issue, arp shows the connection appropriately and pings work fine. After flooding, arp shows (incomplete) and the ping responds with a Destination Host Unreachable message. With a static arp entry, the packet keep flowing (better!) but the pings still get lost. Internally I see tready fall at the output of the ethernet transport adapter into the crossbar and never come back. The CHDR dropped count continues in the eth_ipv4_interface. I think going with the static entry just masks the issue that things are getting gummed up somewhere. I think I am just surprised that the ICMP stuff stops working since I thought the CHDR and CPU paths diverge before the crossbar so things like pings should still work even if the CHDR pipeline is stalled. Brian >
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