Input-Errors and Throttles on a AP1231G

Unanswered Question
Jun 14th, 2007
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Ciao,

we have a issue on the Fastethernet0 interface of all AP1231G connected to differents switches (WS-C2960G) in different locations on the same customer site.

On the Fastethernet0 of all APs there are a lot of Input-Errors and Throttles, and no other errors. On the switch side there aren't any errors. The ETH Led of each AP is blinking Amber.

We change a week ago all the AP's configuration regarding the Fe0 interfaces in all the APs for activating dot1q and distributing 4 differents VLAN (and 4 differents SSID). Since then the issue was present an the APs.


Here is the show interface:


FastEthernet0 is up, line protocol is up

Hardware is PowerPC405GP Ethernet, address is 001b.2a79.4fa5 (bia 001b.2a79.4fa5)

MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,

reliability 235/255, txload 1/255, rxload 1/255

Encapsulation 802.1Q Virtual LAN, Vlan ID 1., loopback not set

Full-duplex, 100Mb/s, MII

ARP type: ARPA, ARP Timeout 04:00:00

Last input 00:00:00, output 00:00:00, output hang never

Last clearing of "show interface" counters 01:23:44

Input queue: 0/160/0/0 (size/max/drops/flushes); Total output drops: 0

Queueing strategy: fifo

Output queue: 0/40 (size/max)

5 minute input rate 87000 bits/sec, 133 packets/sec

5 minute output rate 0 bits/sec, 0 packets/sec

639890 packets input, 71547852 bytes

Received 334868 broadcasts, 0 runts, 0 giants, 12856 throttles

45911 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored

0 watchdog

0 input packets with dribble condition detected

33703 packets output, 22985200 bytes, 0 underruns

0 output errors, 0 collisions, 0 interface resets

0 babbles, 0 late collision, 0 deferred

0 lost carrier, 0 no carrier

0 output buffer failures, 0 output buffers swapped out



------

Arlan_109#sh interfaces fastEthernet 0 summary


*: interface is up

IHQ: pkts in input hold queue IQD: pkts dropped from input queue

OHQ: pkts in output hold queue OQD: pkts dropped from output queue

RXBS: rx rate (bits/sec) RXPS: rx rate (pkts/sec)

TXBS: tx rate (bits/sec) TXPS: tx rate (pkts/sec)

TRTL: throttle count


Interface IHQ IQD OHQ OQD RXBS RXPS TXBS TXPS TRTL

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

* FastEthernet0 0 0 0 0 69000 116 3000 2 13118

* FastEthernet0.9 - - - - - - - - -

* FastEthernet0.15 - - - - - - - - -

* FastEthernet0.20 - - - - - - - - -

* FastEthernet0.25 - - - - - - - - -

NOTE:No separate counters are maintained for subinterfaces

Hence Details of subinterface are not shown

-----


Arlan_109#sh vlan dot1q

Total statistics for 802.1Q VLAN 1:

3471 packets, 1225034 bytes input

22841 packets, 2411240 bytes output

Total statistics for 802.1Q VLAN 9:

7228180 packets, 801382890 bytes input

1642033 packets, 113468697 bytes output

Total statistics for 802.1Q VLAN 15:

87092 packets, 6190048 bytes input

85595 packets, 6095220 bytes output

Total statistics for 802.1Q VLAN 20:

6630220 packets, 777295045 bytes input

1980309 packets, 206570507 bytes output

Total statistics for 802.1Q VLAN 25:

7049175 packets, 1078125619 bytes input

2438663 packets, 570604683 bytes output



Thanks in advance,

Marco


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testspa Fri, 06/15/2007 - 02:37
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I can add ad intereseting info:


The problem persists even there aren't vlans configured, so not 802.1q on the FE port. The configuration of the AP is very simple now but the errors on the FastEthernet of the AP still incrementing on every APs connected on any Catalsyt. I'm sure that isn't a physic-layer issue because the connection is made throught a brandnew (7 ft.) cat 5e UTP cable, and I have the same problem in every AP.


Marco



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