Supermicro SSE-F3548S - 12.2.6 Configuring HOL Blocking Prevention

Supermicro SSE-F3548S/SSE-F3548SR Configuration User’s Guide
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SMIS(config)# interface Fx 0/20
SMIS(config-if)# rate-limit output 500000 4800
SMIS(config-if)# end
SMIS# show interface Fx 0/20 rate-limit
Fx0/20
Rate Limit : 500000 Kbps
Burst Size : 4800 Kbps
12.2.6 Configuring HOL Blocking Prevention
HOL is enabled by default in Supermicro switches. Follow the steps below to disable HOL blocking.
Step
Command
Description
Step 1
configure terminal
Enters the configuration mode
Step 2
no hol blocking prevention
Disables HOL blocking
Step 3
End
Exits the configuration mode.
Step 4
show interfaces [{ [<interface-type><interface-id>]
Displays theinterface configuration.
The example below shows the commands used to disable HOL blocking.
SMIS# configure terminal
SMIS(config)# interface Fx 0/4
SMIS(config-if)# no hol blocking prevention
SMIS(config-if)# end
SMIS# show interface Fx 0/4
Fx0/4 up, line protocol is down (not connect)
Bridge Port Type: Customer Bridge Port
Hardware Address is 00:30:48:e3:04:78
MTU 1500 bytes, Full duplex, 25 Gbps, Auto-Negotiation
HOL Block Prevention disabled.
Input flow-control is off, output flow-control is off
Link Up/Down Trap is enabled
Reception Counters
Octets : 0
Unicast Packets : 0
Broadcast Packets : 0
Multicast Packets : 0
The “hol blocking prevention” command enables HOLblocking.