On 10/10/16 7:34 AM, Paul S. wrote: > Hi folks, > > Are everyone running the JTAC recommended 14.1X53-D35.3 or have you > found better stability at some newer revision? > > My problem is that the "tri state" 10g ports (copper) don't seem to > want to run at anything less than 10g. It links up when connected to a > 1g device, but still claims that the port is operating in 10g mode. > > The biggest issue I have is that if I assign a /30 to the p2p > interfaces (between the qfx and any copper 1g device), my p2p latency > is somewhere from 10 to 40ms. > > I asked around to see if there's any way to force the ports into 1g > mode, but the "speed" knob is missing. I deliberately turned on > auto-negotiation, does not seem to help. > > 802.3ad LAGs created using any of these links also claim to have > speeds of 20g/40g when there's in reality only 4g of capacity. > > Can someone hit me with a clue stick? Thanks!
I presume that you're specifing the port config as ge-0/0/foo rather
than xe-0/0/foo
joel@ show interfaces ge-0/0/46
Physical interface: ge-0/0/46, Enabled, Physical link is Up
Interface index: 701, SNMP ifIndex: 616
Description:
Link-level type: Ethernet, MTU: 1514, Speed: 1000mbps, BPDU Error:
None, MAC-REWRITE Error: None, Loopback: Disabled, Source filtering:
Disabled, Flow control: Disabled, Auto-negotiation: Enabled,
Remote fault: Online, Media type: Copper
Device flags : Present Running
Interface flags: SNMP-Traps Internal: 0x4000
Link flags : None
CoS queues : 12 supported, 12 maximum usable queues
Current address:
Last flapped : 2016-08-26 03:31:56 UTC (6w3d 19:46 ago)
Input rate : 0 bps (0 pps)
Output rate : 0 bps (0 pps)
Active alarms : None
Active defects : None
Interface transmit statistics: Disabled
Logical interface ge-0/0/46.0 (Index 563) (SNMP ifIndex 617)
Flags: SNMP-Traps 0x4004000 Encapsulation: ENET2
Input packets : 146287
Output packets: 292513
Protocol inet, MTU: 1500
Flags: Sendbcast-pkt-to-re
Addresses, Flags: Is-Preferred Is-Primary
Destination:
joel@> show chassis hardware
Hardware inventory:
Item Version Part number Serial number Description
Chassis QFX5100-48S-6Q
Pseudo CB 0
Routing Engine 0 BUILTIN BUILTIN QFX Routing Engine
FPC 0 REV 05 QFX5100-48S-6Q
Xcvr 46 NON-JNPR SFP-T
joel@> show version
fpc0:
--------------------------------------------------------------------------
Hostname:
Model: qfx5100-48s-6q
JUNOS Base OS Software Suite [13.2X51-D38]
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