C3 discards reported on ISL ports due to unroutable or invalid Area/Domain frames
Applies to
- Brocade Switch
- All Fabric FOS
Issue
- Porterrshow reports c3 discards on E-port without any c3 timeouts or any other errors.
/fabos/bin/switchshow :
Index Slot Port Address Media Speed State Proto
============================================================
80 10 0 5d5040 id 32G Online FC E-Port 10:00:88:94:71:a2:67:e0 "CDVL_X6_91_FAB1" (upstream)(Trunk master)
/fabos/cliexec/porterrshow :
frames enc crc crc too too bad enc disc link loss loss frjt fbsy c3timeout pcs uncor
tx rx in err g_eof shrt long eof out c3 fail sync sig tx rx err err
80: 50.5m 4.0m 0 0 0 0 0 0 0 37 0 0 0 0 0 0 0 0 0
- Portstatsshow shows er_unroutable and disc_inv_dom_egid_txpt frames.
portstatsshow 80
er_unroutable 43 Frames that are unroutable
er_unreachable 0 Frame with unreachable destination
er_other_discard 43 Other discards
disc_inv_dom_egid_txpt 43 Invalid Domain/Area