On 9/21/15 3:19 PM, Stephen Hemminger wrote:
@@ -1638,6 +1638,8 @@ static int iproute_get(int argc, char **argv) if (req.r.rtm_family == AF_UNSPEC) req.r.rtm_family = AF_INET;+ req.r.rtm_flags |= RTM_F_LOOKUP_TABLE; + if (rtnl_talk(&rth, &req.n, &req.n, sizeof(req)) < 0) exit(2);How will this work (or not) on older kernels?
It works just fine. First test used the wrong VM and was puzzled to not see the table id in the output. Then I realized the older kernel did not recognize the RTM_F_LOOKUP_TABLE; silently ignores the flag. With a kernel that does recognize it I get the table id in the output when it is not main.
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