[c-nsp] PA-FE-TX Duplex

[Joe Maimon]

Gert Doering wrote:
> Hi,
>
> On Tue, Aug 17, 2010 at 11:28:48PM -0400, Sridhar Ayengar wrote:
>> Is there any way to get a PA-FE-TX to autonegotiate duplex?
>
> No.  The PA-FE-TX and the 7200-IO-FE just don't do duplex negotiation.
>
> This is about the only bit of hardware that still needs forcing of
> full-duplex on both sides.
>
> gert
>
>

Some I/O controllers do auto-neg. Some dont.

Best approach: Use the router FE ports with a switch, such as the 
3500XL, hard code it there, connect the switch console to router aux, 
create a portchannel and use dot1q subints. Use the switch to fan out 
for ~20 more ports.


router1#sh inv
NAME: "Chassis", DESCR: "Cisco 7204VXR, 4-slot chassis"
PID: CISCO7204VXR      , VID:    , SN: 16060410

NAME: "NPE400 0", DESCR: "Cisco 7200VXR Network Processing Engine NPE-400"
PID: NPE-400           , VID:    , SN: 25008181

NAME: "module 0", DESCR: "I/O FastEthernet (TX-ISL)"
PID: C7200-IO-FE-MII/RJ45=, VID:    , SN: 15698175

router1#sh int sum | i FastEt
* FastEthernet0/0          0     0    0  5371 6640000  1748 4730000 
1536    0
* FastEthernet1/0          0     0    0  9807 8493000  1671 7345000 
1461    2
* FastEthernet3/0          0 1204418    0     0 1318000  355     0    0 
  51197

router1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
router1(config)#int fa0/0
router1(config-if)#sp
router1(config-if)#spe
router1(config-if)#s?
sap-priority  service-policy  shutdown  sna
snapshot      snmp            standby

router1(config-if)#speed ?
% Unrecognized command
router1(config-if)#dup ?
   full  Force full duplex operation
   half  Force half-duplex operation

router1(config-if)#int f1/0
router1(config-if)#sp
router1(config-if)#sp?
% Unrecognized command
router1(config-if)#du
router1(config-if)#duplex ?
   full  Force full duplex operation
   half  Force half-duplex operation

router1(config-if)#duplex





router2#sh inv
NAME: "Chassis", DESCR: "Cisco 7204VXR, 4-slot chassis"
PID: CISCO7204VXR      , VID:    , SN: 21282789

NAME: "NPE400 0", DESCR: "Cisco 7200VXR Network Processing Engine NPE-400"
PID: NPE-400           , VID:    , SN: 23276520

NAME: "module 0", DESCR: "I/O Dual FastEthernet Controller"
PID: C7200-I/O-2FE/E   , VID:    , SN: 33390818

router2#sh int sum | i FastE
* FastEthernet0/0          0     0    0   296 4279000  1544 6517000 
2130   10
* FastEthernet0/1          0     0    0    68 11508000  2535 3970000 
1769   15
* FastEthernet1/0          0     0    0     0     0    0     0    0    0
   FastEthernet3/0          0     0    0     0     0    0     0    0    0
router2#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
router2(config)#int fa0/0
router2(config-if)#du
router2(config-if)#duplex ?
   auto  Enable AUTO duplex configuration
   full  Force full duplex operation
   half  Force half-duplex operation

router2(config-if)#duplex au
router2(config-if)#sp
router2(config-if)#speed ?
   10    Force 10 Mbps operation
   100   Force 100 Mbps operation
   auto  Enable AUTO speed configuration

router2(config-if)#int fa1/0
router2(config-if)#sp
router2(config-if)#spe
router2(config-if)#sp
router2(config-if)#sp
router2(config-if)#sp
router2(config-if)#sp?
% Unrecognized command
router2(config-if)#du
router2(config-if)#duplex ?
   full  Force full duplex operation
   half  Force half-duplex operation

router2(config-if)#duplex