[Insight?] OutPut Drops Cisco 7206VXR
Gyorfy, Shawn
Shawn.Gyorfy at eurekanetworks.net
Tue Oct 26 14:49:22 UTC 2004
Yeah - we have traffic shaping:
policy-map Outbound-Transmission-To-Core (We have 10)
class Expedited-Forwarding-To-Core
priority percent 50
class Hanover_13364_14025_37272-TS-To-Core
shape average 1536000 192000 15000
class Queller_3266_3268_30989-TS-To-Core
shape average 700000 87500 15000
.
.
.
(10)
FastEthernet0/0 is up, line protocol is up
Hardware is DEC21140A, address is 0001.636e.1c00 (bia 0001.636e.1c00)
Description: Connected to Extreme Summit48
Internet address is
MTU 1500 bytes, BW 100000 Kbit, DLY 100 usec,
reliability 255/255, txload 12/255, rxload 3/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 100Mb/s, 100BaseTX/FX
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:21, output 00:00:00, output hang never
Last clearing of "show interface" counters 00:37:12
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 5397
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/82/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 25000 kilobits/sec
5 minute input rate 1505000 bits/sec, 979 packets/sec
5 minute output rate 5084000 bits/sec, 1590 packets/sec
2028319 packets input, 434456929 bytes
Received 3 broadcasts, 0 runts, 0 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog
0 input packets with dribble condition detected
3453733 packets output, 1359654191 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
Serial2/0 is up, line protocol is up
Hardware is M1T-T3+ pa
Description: ny-0200 V#51HFGL605916 (DS3 to 39 Broadway POP)
Internet address is
MTU 4470 bytes, BW 44210 Kbit, DLY 200 usec,
reliability 255/255, txload 8/255, rxload 29/255
Encapsulation PPP, LCP Open
Open: CDPCP, IPCP, crc 16, loopback not set
Keepalive set (10 sec)
Restart-Delay is 0 secs
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 00:37:49
Input queue: 1/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: weighted fair
Output queue: 0/1000/64/0 (size/max total/threshold/drops)
Conversations 0/10/256 (active/max active/max total)
Reserved Conversations 0/0 (allocated/max allocated)
Available Bandwidth 11052 kilobits/sec
5 minute input rate 5029000 bits/sec, 1584 packets/sec
5 minute output rate 1437000 bits/sec, 966 packets/sec
3460149 packets input, 1351120603 bytes, 0 no buffer
Received 0 broadcasts, 0 runts, 0 giants, 0 throttles
0 parity
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 0 abort
2005303 packets output, 418156501 bytes, 0 underruns
0 output errors, 0 applique, 0 interface resets
0 output buffer failures, 0 output buffers swapped out
0 carrier transitions
rxLOS inactive, rxLOF inactive, rxAIS inactive
txAIS inactive, rxRAI inactive, txRAI inactive
-----Original Message-----
From: jkreger at lwolenczak.net [mailto:jkreger at lwolenczak.net]
Sent: Tuesday, October 26, 2004 10:55 AM
To: Gyorfy, Shawn
Subject: Re: [Insight?] OutPut Drops Cisco 7206VXR
Do you have any rate limiting on the Ethernet interface?
The bus error.. I would say let cisco just replace your gear... that
dosen't sound good. How is the bandwidth usage soo different? That
dosen't sound right....
-Justin
On Tue, 26 Oct 2004, Gyorfy, Shawn wrote:
>
> What's up all,
>
> I have a question, maybe some have experienced this before- let me paint
the
> picture for you first - We are running VoIP- customer's are experiencing
> static.
>
> I have a DS3 going for a Cisco 10k router to a Cisco 7206VXR M2T-T3+ pa
> Interface. As of right now, the current usage is about 5.5Mbps with an
> input rate of about 1425pps and output rate of 756.
>
> The Fast Ethernet is connected to an Extreme Switch. The FastE's usage
> right now is about 20Mbps with an input rate of 868pps and an output of
> 1541pps.
>
> On the FastE - we are seeing Output drops. They were at a constant
> interval, when we were running IOS c7200-p-mz.123-9a. As per cisco, we
> upgraded the IOS to c7200-p-mz.123-10 because of a possible buffer leak.
> Rather than just upgrading the IOS on the current box, we swapped it out
to
> a new box and still recv output drops and Now the puppy decides to reboot
> every 15 minutes returning a, "System returned to ROM by bus error at PC
> 0x60132C44, address 0xE16E2CD at 13:38:47 UTC Tue Oct 26 2004"
>
> Questions: (a) What would be causing the output errors - can't the
> processor and memory handle that?
> (b) what is that bus error?
>
>
> Thanks all,
>
> shawn.
>
>
>
>
>
>
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