After increasing MTU size for the AE interfaces, EX4600/QFX5100 ERPS ring breaks with tcam errors.
Jun 7 03:45:29 device fpc2 ERROR (dfw): Cannot program filtererp-bd-filter--3 (type IVACL) - TCAM has 0 free entries and the filter change requires 4 free entries
{master:0}[edit]
user@device# set interfaces ae0 mtu 9216
user@device# set interfaces ae1 mtu 9216
user@device# commit
configuration check succeeds
commit complete
user@device#
Message from syslogd@device at Oct 27 16:16:48 ...
device pfex: list_destroy(): ae intf match delete list: non-empty list (2)
Message from syslogd@device at Oct 27 16:16:49 ...
device fpc0 list_destroy(): ae intf match delete list: non-empty list (2)
device pfex: DFWE DFW: Cannot program filter erp-bd-filter--7 (type IVACL) - TCAM has 0 free entries and the filter change requires 4 free entries
device fpc0 DFWE DFW: Cannot program filter erp-bd-filter--7 (type IVACL) - TCAM has 0 free entries and the filter change requires 4 free entries
device pfex: DFWE DFW: Cannot program filter erp-bd-filter--7 (type IVACL) - TCAM has 0 free entries and the filter change requires 3 free entries
device fpc0 DFWE DFW: Cannot program filter erp-bd-filter--7 (type IVACL) - TCAM has 0 free entries and the filter change requires 3 free entries
device fpc0 DFWE DFW: Cannot program filte
user@device# run show protection-group ethernet-ring interface
Ethernet ring port parameters for protection group rsna1
Interface Control Channel Direction Forward State RPL End SF Admin State
ae0 ae0.0 east discarding No Clear IFF ready
ae1 ae1.0 west forwarding No Clear IFF ready
Problem will be resolved via software upgrade.
Resolved-In
junos:21.4R3-S13