diff options
Diffstat (limited to 'isisd/isis_pdu.c')
| -rw-r--r-- | isisd/isis_pdu.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/isisd/isis_pdu.c b/isisd/isis_pdu.c index c7142eeac..1ecdab48c 100644 --- a/isisd/isis_pdu.c +++ b/isisd/isis_pdu.c @@ -839,16 +839,18 @@ process_lan_hello (int level, struct isis_circuit *circuit, u_char * ssnpa) if (memcmp (circuit->u.bc.l1_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1)) { thread_add_event (master, isis_event_dis_status_change, circuit, 0); - memcpy (&circuit->u.bc.l1_desig_is, hdr.lan_id, - ISIS_SYS_ID_LEN + 1); + if (adj->dis_record[level-1].dis == ISIS_IS_DIS) + memcpy (&circuit->u.bc.l1_desig_is, hdr.lan_id, + ISIS_SYS_ID_LEN + 1); } break; case 2: if (memcmp (circuit->u.bc.l2_desig_is, hdr.lan_id, ISIS_SYS_ID_LEN + 1)) { thread_add_event (master, isis_event_dis_status_change, circuit, 0); - memcpy (&circuit->u.bc.l2_desig_is, hdr.lan_id, - ISIS_SYS_ID_LEN + 1); + if (adj->dis_record[level-1].dis == ISIS_IS_DIS) + memcpy (&circuit->u.bc.l2_desig_is, hdr.lan_id, + ISIS_SYS_ID_LEN + 1); } break; } |