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Sup720Base & Module 6704-10G with DFC-3BXL

Hi Team I have a case but i don't undersand clearly. I have a Router 7609 with SUP 720-BASE (Not 3B, 3C). But on it, we attached the 01 line card WS-6704-10G with DFC3BXL daughter card. I see datasheet and know that:

SUP 720Base has maximum 256k routes on it

WS-6704-10GE: With DFC3BXL up to 1M routes

Now i have problem, i'm not sure, can it receive 1M BGP routes in this situation? Everyone can help me. Thanks


7609-ISP-2#sh mod

Mod Ports Card Type                              Model              Serial No.

--- ----- -------------------------------------- ------------------ -----------

  1   16  SFM-capable 16 port 1000mb GBIC        WS-X6516A-GBIC     

  2    4  CEF720 4 port 10-Gigabit Ethernet      WS-X6704-10GE      

  5    2  Supervisor Engine 720 (Active)         WS-SUP720-BASE     

  6    4  CEF720 4 port 10-Gigabit Ethernet      WS-X6704-10GE      

  8    0  2 port adapter Enhanced FlexWAN        WS-X6582-2PA       

  9    0  2 port adapter FlexWAN                 WS-X6182-2PA       


Mod MAC addresses                       Hw    Fw           Sw           Status

--- ---------------------------------- ------ ------------ ------------ -------

  1  0013.7ff2.eb90 to 0013.7ff2.eb9f   4.2   7.2(1)       8.5(0.46)RFW Ok

  2  001f.9e5b.be0c to 001f.9e5b.be0f   2.6   12.2(14r)S5  12.2(18)SXF7 Ok

  5  000e.3838.1cdc to 000e.3838.1cdf   3.0   7.7(1)       12.2(18)SXF7 Ok

  6  0019.5500.5788 to 0019.5500.578b   2.5   12.2(14r)S5  12.2(18)SXF7 Ok

  8  0024.140d.6e40 to 0024.140d.6e7f   2.3   Unknown      Unknown      PwrDown

  9  0001.6460.5f28 to 0001.6460.5f67   1.5   12.2(18)SXF7 12.2(18)SXF7 Ok


Mod  Sub-Module                  Model              Serial       Hw     Status

---- --------------------------- ------------------ ----------- ------- -------

  2  Distributed Forwarding Card WS-F6700-DFC3BXL   5.3                  Ok

  5  Policy Feature Card 3       WS-F6K-PFC3BXL     1.6                  Ok

  5  MSFC3 Daughterboard         WS-SUP720          2.0                  Ok

  6  Distributed Forwarding Card WS-F6700-DFC3BXL   5.3                  Ok


Mod  Online Diag Status

---- -------------------

  1  Pass

  2  Pass

  5  Pass

  6  Pass

  8  Not Applicable

  9  Pass

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My understanding is, the DFC will "shadow" the main sup, so your DFC-XL will not support with more than 256K routes.

Hall of Fame Super Silver

Hello Phai,>> Now i have

Hello Phai,

>> Now i have problem, i'm not sure, can it receive 1M BGP routes in this situation? Everyone can help me. Thanks


you are still limited to 256k routes as it is the supervisor and related hardware that writes the master copy of the CEF table. That master copy is then sent to intelligent modules.


I'm sorry to give you bad news


Hope to help



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