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Date:      Tue, 27 Mar 2001 16:58:11 -0700
From:      "Alex Huppenthal" <alex@aspenworks.com>
To:        <freebsd-isp@FreeBSD.ORG>
Subject:   ATM+FreeBSD 4.2 - I thought I'd get ATM interested folks an update
Message-ID:  <023601c0b719$c80ec350$1900a8c0@d7k>

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I've managed to get FreeBSD 4.2, with Fore PCA-200E running.  Thanks for the
responses.

Currently it appears that packets being sent from the FreeBSD side are being
fragmented in a strange and unpleasent way. Anyone seen this, have a clue as
to what to do about it ot a fix?

This is the kind of thing we're seeing. What is going on??  (don't bother
pinging these addresses, they aren't real)

>> tcpdump
16:32:05.605598 166.28.19.249.1178 > 166.28.19.2.domain:  49762+ (16) (frag
32327:24@0+)
16:32:05.609562 166.28.19.249 > 166.28.19.2: (frag 32327:20@24)
16:32:05.610470 166.28.19.2.domain > 166.28.19.249.1178:  49762 NXDomain
0/1/0 (101)
16:32:05.623582 166.28.19.249.1179 > 166.28.19.2.domain:  49763+ (16) (frag
32328:24@0+)
16:32:05.627582 166.28.19.249 > 166.28.19.2: (frag 32328:24@24+)
16:32:05.629584 166.28.19.249 > 166.28.19.2: (frag 32328:11@48)
16:32:05.629939 166.28.19.2.domain > 166.28.19.249.1179:  49763 NXDomain*
0/1/0 (109)
16:32:05.675566 166.28.19.249.1180 > 166.28.19.2.domain:  17470+ (16) (frag
32337:24@0+)
16:32:05.679568 166.28.19.249 > 166.28.19.2: (frag 32337:24@24+)
16:32:05.681561 166.28.19.249 > 166.28.19.2: (frag 32337:4@48)
16:32:05.681884 166.28.19.2.domain > 166.28.19.249.1180:  17470 NXDomain
0/1/0 (99
--------------

Here's the setup.


Intf      Vendor    Model     Media           Bus   Serial No
hfa0      Fore      PCA-200E  OC-3c           PCI   65121222334721
    MAC address = 00:20:48:64:4d:9f
    Hardware version = 2.0.1
    Firmware version = 3.0.1

Interface  Sigmgr   State
hfa0       UNI 3.1  ACTIVE
    ATM address = 0x49.00c0.7b.010000.0000.0000.0105.002048644d9f.00
    Network interfaces: atm0 - atm2

Net Intf  Phy Intf  IP Address
atm0      hfa0      atmaspen (166.28.19.249)
atm1      hfa0      -
atm2      hfa0      -

                        Input    Input  Input  Output   Output Output
Interface  VPI   VCI     PDUs    Bytes   Errs    PDUs    Bytes   Errs
hfa0         0     5     2366    23660      0    2367    23684      0
hfa0         0    16     3556   264881      0    3560   336032      0
hfa0         0   100    25725  3807454      4   54490  2901813      0

             Input    Input  Input  Output   Output Output    Cmd
Interface     PDUs    Bytes   Errs    PDUs    Bytes   Errs   Errs
hfa0         31647  4095995      4   60446  3263153      0      0

Net Intf  State     ATM Address
atm0      SERVER    -
    LIS = 66.28.19.0/0xffffff00

Net Intf  VPI   VCI  State   Flags IP Address
atm0        0   100  ACTIVE  PLM   atmden (166.28.19.250)

Net Intf  Flags  Age  Origin
atm0      VR       3  PERM
    ATM address = 0x49.00c0.7b.010000.0000.0000.0105.002048644d9f.00
    IP address = atmaspen (166.28.19.249)

Interface  VPI   VCI  AAL   Type Dir    State    Encaps   Owner
hfa0         0     5  AAL5  PVC  InOut  ACTIVE   Null     UNI3.1
hfa0         0    16  AAL5  PVC  InOut  ACTIVE   Null     ILMI
hfa0         0   100  AAL5  PVC  InOut  ACTIVE   LLC/SNAP IP




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