[pcaps.zip](https://github.com/kamailio/kamailio/files/14652370/pcaps.zip) Hi Daniel, Thanks for your reply.
Please find attached 2 pcaps, one with rr_update=1 and the other one with rr_update=0 ....
Kamailio version: ``` # kamailio -v version: kamailio 5.8.0 (x86_64/linux) 19ce56 flags: USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MMAP, PKG_MALLOC, MEM_JOIN_FREE, Q_MALLOC, F_MALLOC, TLSF_MALLOC, DBG_SR_MEMORY, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLOCKLIST, HAVE_RESOLV_RES, TLS_PTHREAD_MUTEX_SHARED ADAPTIVE_WAIT_LOOPS 1024, MAX_RECV_BUFFER_SIZE 262144, MAX_SEND_BUFFER_SIZE 262144, MAX_URI_SIZE 1024, BUF_SIZE 65535, DEFAULT PKG_SIZE 8MB poll method support: poll, epoll_lt, epoll_et, sigio_rt, select. id: 19ce56 compiled on 21:04:39 Mar 13 2024 with gcc 10.2.1 ``` And it's compiled in a Docker container with debian `11.9`
I noticed redoing the test to get the pcaps, that in the problematic case (rr_update=1) there isn't a route header anymore... So is not the situation described above anymore, but still failing when rr_update=1.