int opt_local; /* ourtoken set by option */
int opt_remote; /* histoken set by option */
int use_ip; /* use IP as interface identifier */
-#if defined(SOL2) || defined(__linux__)
int use_persistent; /* use uniquely persistent value for address */
-#endif /* defined(SOL2) */
int neg_vj; /* Van Jacobson Compression? */
u_short vj_protocol; /* protocol value to use in VJ option */
eui64_t ourid, hisid; /* Interface identifiers */