ips_noproto
agentx_varbind_counter32(vb, ipstat.ips_noproto);
u_long ips_noproto; /* unknown or unsupported protocol */
counters[ips_noproto]++;
ipstat_inc(ips_noproto);
p(ips_noproto, "\t%lu packet%s for unknown/unsupported protocol\n");