'Optic Incompatible' melding op SLX of VDX

kennislevel 1 kennislevel 2 kennislevel 2 Technisch niveau Waddinxveen, 09 januari 2017 Waddinxveen, 19 april 2018 Networking Networking

Het gebeurt soms dat een VDX switch of SLX router een melding geeft dat een Optic Incompatibel is, ook al is deze door Brocade of Extreme Networks uitgegeven. Dit is een false positive, want de optic kan wel functioneren wanneer je de interface instellingen aanpast.

In dit voorbeeld gebruiken wij een Brocade 40Gbit QSFP optic in een Extreme Networks SLX 9540 router.

Hoe ga je te werk?

In "show log raslog" ziet u de volgende melding wanneer u een SFP of QSFP optic in uw switch of router steekt: 2018/04/06-11:21:38, [HSL-1025], 866,, WARNING, SLX, Optic inserted in interface Ethernet 0/49 is not compatible.
2018/04/06-11:21:38, [NSM-1019], 865, DCE, INFO, SLX1, interface Ethernet 0/49 is administratively up.
2018/04/06-11:11:14, [NSM-1026], 843, DCE, INFO, SLX1, QSFPP transceiver for interface Ethernet 0/49 is inserted.
U zult in de command-line ook zien dat de interface UP is, maar met line protocol DOWN: SLX1# sh int eth 0/49
Ethernet 0/49 is up, line protocol is down (link protocol down)
Hardware is Ethernet, address is 609c.9fdf.5b4b Current address is 609c.9fdf.5b4b Pluggable media present
Interface index (ifindex) is 201744640 (0xc066100)
MTU 1548 bytes
100G Interface
LineSpeed Actual : Nil
LineSpeed Configured : Auto, Duplex: Full
Priority Tag disable
Forward LACP PDU: Disable
Route Only: Disabled
Tag-type: 0x8100
Last clearing of show interface counters: 3w0d21h
Queueing strategy: fifo
Receive Statistics: 0 packets, 0 bytes
Unicasts: 0, Multicasts: 0, Broadcasts: 0
64-byte pkts: 0, Over 64-byte pkts: 0, Over 127-byte pkts: 0
Over 255-byte pkts: 0, Over 511-byte pkts: 0, Over 1023-byte pkts: 0
Over 1518-byte pkts(Jumbo): 0
Runts: 0, Jabbers: 0, CRC: 0, Overruns: 0
Errors: 0, Discards: 0
Transmit Statistics: 0 packets, 0 bytes
Unicasts: 0, Multicasts: 0, Broadcasts: 0
Underruns: 0
Errors: 0, Discards: 0
Rate info: Input 0.000000 Mbits/sec, 0 packets/sec, 0.00% of line-rate
Output 0.000000 Mbits/sec, 0 packets/sec, 0.00% of line-rate
Route-Only Packets Dropped: 0
Time since last interface status change: 3w0d21h
Om dit probleem op te lossen en te zorgen dat de optic wel werkt, is het soms vereist om de speed apart aan de geven op de interface: interface Ethernet 0/51
speed 40000
no shutdown
!
Nu zal de interface werken: SLX1# sh int eth 0/49
Ethernet 0/49 is up, line protocol is up (connected)
Hardware is Ethernet, address is 609c.9fdf.5b4b Current address is 609c.9fdf.5b4b Pluggable media present
Interface index (ifindex) is 201744640 (0xc066100)
MTU 1548 bytes
100G Interface
LineSpeed Actual : 40G
LineSpeed Configured : 40G, Duplex: Full
Priority Tag disable
Forward LACP PDU: Disable
Route Only: Disabled
Tag-type: 0x8100
Last clearing of show interface counters: 3w0d21h
Queueing strategy: fifo
Receive Statistics: 40 packets, 0 bytes
Unicasts: 40, Multicasts: 0, Broadcasts: 0
64-byte pkts: 23, Over 64-byte pkts: 17, Over 127-byte pkts: 0
Over 255-byte pkts: 0, Over 511-byte pkts: 0, Over 1023-byte pkts: 0
Over 1518-byte pkts(Jumbo): 0
Runts: 0, Jabbers: 0, CRC: 0, Overruns: 0
Errors: 0, Discards: 0
Transmit Statistics: 53 packets, 15123 bytes
Unicasts: 22, Multicasts: 0, Broadcasts: 31
Underruns: 0
Errors: 0, Discards: 0
Rate info: Input 0.001643 Mbits/sec, 3 packets/sec, 0.00% of line-rate
Output 0.005323 Mbits/sec, 3 packets/sec, 0.00% of line-rate
Route-Only Packets Dropped: 0
Time since last interface status change: 0w0d5m

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