[c-nsp] ASR9k to 6500 optic incompatibility

Jared Mauch jared at puck.nether.net
Wed Nov 9 20:36:06 EST 2011


ASR only supports the 100m-fx GLC. The rest need to be SFP to work at all. 

Jared Mauch

On Nov 9, 2011, at 6:59 PM, <cisconsp at SecureObscure.com> wrote:

> Good evening list,
> 
> 
> 
> Cisco has claimed that the following optics are compatible:
> 
> 
> 
> SFP-GE-S= 
> 
> 1000BASE-SX SFP transceiver module for MMF, 850-nm wavelength, extended
> operating temperature range and DOM support, dual LC/PC connector 
> 
> 
> 
> GLC-SX-MM= 
> 
> 1000BASE-SX SFP transceiver module for MMF, 850-nm wavelength, dual LC/PC
> connector 
> 
> 
> 
> I have a mindbender of a problem going on in both the lab and production
> currently. I have an ASR9006 running IOX 4.1.1 with:
> 
> 
> 
> NAME: "module 0/0/CPU0", DESCR: "2-Port 10GE, 20-Port GE Line Card, Requires
> XFPs and SFPs"
> 
> PID: A9K-2T20GE-B      , VID: V04, SN: FOC152786XX
> 
> 
> 
> And in port 19 a SFP-GE-S:
> 
> 
> 
> NAME: "module mau GigabitEthernet0/0/CPU0/19", DESCR: "1000BASE-SX SFP
> (DOM), MMF, 550/220m"
> 
> PID: SFP-GE-S           , VID: V01 , SN: FNS15411KXX
> 
> 
> 
> The interface on the asr is showing up/up.
> 
> 
> 
> RP/0/RSP0/CPU0:oma00-dev-asr9006-1# show int gig0/0/0/19
> 
> Wed Nov  9 23:48:20.306 UTC
> 
> GigabitEthernet0/0/0/19 is up, line protocol is up 
> 
>  Interface state transitions: 7
> 
>  Hardware is GigabitEthernet, address is 4055.3954.2d9d (bia
> 4055.3954.2d9d)
> 
>  Internet address is 1.1.1.1/30
> 
>  MTU 1514 bytes, BW 1000000 Kbit (Max: 1000000 Kbit)
> 
>     reliability 255/255, txload 0/255, rxload 0/255
> 
>  Encapsulation ARPA,
> 
>  Full-duplex, 1000Mb/s, SXFD, link type is force-up
> 
>  output flow control is off, input flow control is off
> 
>  loopback not set,
> 
>  ARP type ARPA, ARP timeout 04:00:00
> 
>  Last input never, output 00:05:04
> 
>  Last clearing of "show interface" counters never
> 
>  5 minute input rate 0 bits/sec, 0 packets/sec
> 
>  5 minute output rate 0 bits/sec, 0 packets/sec
> 
>     0 packets input, 0 bytes, 0 total input drops
> 
>     0 drops for unrecognized upper-level protocol
> 
>     Received 0 broadcast packets, 0 multicast packets
> 
>              0 runts, 0 giants, 0 throttles, 0 parity
> 
>     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
> 
>     3 packets output, 192 bytes, 0 total output drops
> 
>     Output 3 broadcast packets, 0 multicast packets
> 
>     0 output errors, 0 underruns, 0 applique, 0 resets
> 
>     0 output buffer failures, 0 output buffers swapped out
> 
>     7 carrier transitions
> 
> 
> 
> On the other end of the tested 3m multimode jumper is a catalyst 6500
> running SXJ1 with:
> 
> 
> 
> NAME: "6", DESCR: "VS-S720-10G 5 ports Supervisor Engine 720 10GE Rev. 3.1"
> 
> PID: VS-S720-10G       ,                     VID: V04, SN: SAL13431RXX
> 
> 
> 
> The optic on the 6k is a GLC-SX-MM:
> 
> 
> 
> oma00-dev-c6506-1(config-if)# do show idprom int gig6/1
> 
> 
> 
> Transceiver Serial EEPROM Contents:
> 
> Common block:
> 
> Identifier        : SFP [0x03]
> 
> Connector         : LC [0x07]
> 
> Transceiver
> 
>  Speed            : Unspecified [0x00]
> 
>  Media            : Unspecified [0x00]
> 
>  Technology       : Unspecified [0x00]
> 
>  Link Length      : [0x01]
> 
>  GE Comp Codes    : Unspecified [0x00]
> 
>  SONET Comp Codes : Unspecified [0x00]
> 
> Encoding          : 8B10B [0x01]
> 
> BR, Nominal       : 13x100 MHz [0x0D]
> 
> Length(9u)        : Transceiver does not support single mode fibre,
> 
>                     or the length information must be determined from
> 
>                     the transceiver technology. [0x00]
> 
> Length(50u)       : 55 x 10 m [0x37]
> 
> Length(62.5u)     : 27 x 10 m [0x1B]
> 
> Length(Copper)    : Transceiver does not support copper cables,
> 
>                     or the length information must be determined from
> 
>                     the transceiver technology. [0x00]
> 
> Vendor Name       : CISCO-FINISAR   
> 
> Vendor OUI        : 0x0 0x90 0x65 
> 
> Vendor PN         : FTLF8519P2BCL-C5
> 
> Vendor rev        : A   
> 
> CC_BASE           : 0x5F
> 
> 
> 
> Extended ID Fields
> 
> Options           : Loss of Signal implemented TX_DISABLE is implemented
> and disables the serial output
> 
> BR, max           : Unspecified 0%
> 
> BR, min           : Unspecified 0%
> 
> Vendor SN         : FNS15251SXX     
> 
> Date code         : 110618  
> 
> CC_EXT            : 0xDA
> 
> 
> 
> Vendor Specific ID Fields:
> 
> 
> 
>  0x00: 00 00 02 D3 FB D3 38 43 25 7F 85 76 0A E3 08 51
> 
>  0x10: A0 2A 22 00 00 00 00 00 00 00 00 00 D6 D5 78 3A
> 
> 
> 
> Product ID        : Unspecified
> 
> Version ID        : Unspecified
> 
> 
> 
> And interface Gig6/1 on the 6k is down/down:
> 
> 
> 
> oma00-dev-c6506-1(config-if)#do show int gig6/1
> 
> GigabitEthernet6/1 is down, line protocol is down (notconnect)
> 
>  Hardware is C6k 1000Mb 802.3, address is 0019.0774.3c00 (bia
> 0019.0774.3c00)
> 
>  MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, 
> 
>     reliability 255/255, txload 0/255, rxload 0/255
> 
>  Encapsulation ARPA, loopback not set
> 
>  Keepalive set (10 sec)
> 
>  Full-duplex, 1000Mb/s, media type is SX
> 
>  input flow-control is off, output flow-control is desired 
> 
>  Clock mode is auto
> 
>  ARP type: ARPA, ARP Timeout 04:00:00
> 
>  Last input never, output never, output hang never
> 
>  Last clearing of "show interface" counters never
> 
>  Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
> 
>  Queueing strategy: fifo
> 
>  Output queue: 0/40 (size/max)
> 
>  5 minute input rate 0 bits/sec, 0 packets/sec
> 
>  5 minute output rate 0 bits/sec, 0 packets/sec
> 
>  L2 Switched: ucast: 0 pkt, 0 bytes - mcast: 0 pkt, 0 bytes
> 
>  L3 in Switched: ucast: 0 pkt, 0 bytes - mcast: 0 pkt, 0 bytes mcast
> 
>  L3 out Switched: ucast: 0 pkt, 0 bytes mcast: 0 pkt, 0 bytes
> 
>     0 packets input, 0 bytes, 0 no buffer
> 
>     Received 0 broadcasts (0 IP multicasts)
> 
>     0 runts, 0 giants, 0 throttles 
> 
>     0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
> 
>     0 watchdog, 0 multicast, 0 pause input
> 
>     0 input packets with dribble condition detected
> 
>     0 packets output, 0 bytes, 0 underruns
> 
>     0 output errors, 0 collisions, 2 interface resets
> 
>     0 babbles, 0 late collision, 0 deferred
> 
>     0 lost carrier, 0 no carrier, 0 PAUSE output
> 
>     0 output buffer failures, 0 output buffers swapped out
> 
> 
> 
> If I shutdown gig6/1 on the 6500, gig0/0/0/19 goes down on the asr9k. These
> are all genuine Cisco optics and we have a TAC case pending, but as this
> behavior is repeatable I thought it would be a good idea to ask for the
> experience of others.
> 
> 
> 
> There is the possibility that we are missing something obvious in the
> config? We are not the most experienced group with the asr9k's or IOS-XR. 
> 
> 
> 
> RP/0/RSP0/CPU0:oma00-dev-asr9006-1#show run int gig0/0/0/19
> 
> Wed Nov  9 23:57:04.766 UTC
> 
> interface GigabitEthernet0/0/0/19
> 
> ipv4 address 1.1.1.1 255.255.255.252
> 
> !
> 
> 
> 
> oma00-dev-c6506-1#show run int gig6/1
> 
> Building configuration...
> 
> 
> 
> Current configuration : 72 bytes
> 
> !
> 
> interface GigabitEthernet6/1
> 
> ip address 1.1.1.2 255.255.255.252
> 
> end
> 
> 
> 
> The configuration is absolutely vanilla.
> 
> 
> 
> Any help or thoughts would be greatly appreciated.
> 
> 
> 
> Thanks!
> 
> 
> 
> John
> 
> 
> 
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