Tecal RH2485 V2 Management Network Port 100M

Issue Description

While connecting Tecal RH2485 V2 Management port to Huawei S9703  XGE switch port stays at DOWN state.

Alarm Information

[DC-Core]dis int x1/0/6
XGigabitEthernet1/0/6 current state : DOWN
Line protocol current state : DOWN
Description:
Switch Port, Link-type : access(configured),
PVID :  511, TPID : 8100(Hex), The Maximum Frame Length is 9216
IP Sending Frames’ Format is PKTFMT_ETHNT_2, Hardware address is 1051-72f9-7ce0
Last physical up time   : 2015-09-11 15:24:12 UTC+03:00
Last physical down time : 2015-09-11 15:25:06 UTC+03:00
Current system time: 2015-09-11 17:09:32+03:00
Port Mode: COMMON COPPER, Transceiver: 1000_BASE_T_SFP
Speed : 1000,   Loopback: NONE
Duplex: FULL,   Negotiation: ENABLE
Mdi   : AUTO,   Flow-control: DISABLE

[DC-Core]dis transceiver int XGigabitEthernet 1/0/6

XGigabitEthernet1/0/6 transceiver information:
————————————————————-
Common information:
Transceiver Type               :1000_BASE_T_SFP
Connector Type                 :-
Wavelength(nm)                 :-
Transfer Distance(m)           :100(Copper)
Digital Diagnostic Monitoring  :NO
Vendor Name                    :FINISAR CORP.
Vendor Part Number             :FCLF8521P2BTL
Ordering Name                  :
————————————————————-
Manufacture information:
Manu. Serial Number            :PSN1ETZ
Manufacturing Date             :2014-11-27
Vendor Name                    :FINISAR CORP.
————————————————————-

Handling Process

  1. Check Tecal server product documentation. See that management port support only 100Mb rate.
    2. Check S9703 line card.
    It is EH1D2X40SFC0, has  forty 10GE BASE-X optical ports.
    3. From dis transceiver command we see, that  1000_BASE_T_SFP is used.
    4. Tried to use command speed 100 at XGE interface of S9703 switch. No such command at interface.

    [DC-Core-XGigabitEthernet1/0/6]  undo negotiation auto
    Speed 100
    Error: Unrecognized command found at ‘^’ position.

    5. Check S9703 documentation about speed command. See NOTE.

Root Cause

NOTE:
When an XGE interface has a GE copper module installed, the rate of the interface can only be negotiated to 1000 Mbit/s.

Contact information:

Telephone: 852-30623083
Email: Sales@Thunder-link.com
Supports@Thunder-link.com
Website: http://www.thunder-link.com

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