There are no CRC errors no input errors but still success rate 98%.
Router A #ping vrf test x.x.x.x re 2000 size 1500
Type escape sequence to abort.
Sending 2000, 1500-byte ICMP Echos to x.x.x.x, timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 98 percent (1969/2000), round-trip min/avg/max = 1/1/4 ms
Router A #sh inter t1/1
TenGigabitEthernet1/1 is up, line protocol is up (connected)
Hardware is C6k 10000Mb 802.3, address is 001e.13e5.08c0 (bia
001e.13e5.08c0)
Description: connected to Rouiter B
Internet address is x.x.x.x
MTU 1524 bytes, BW 10000000 Kbit, DLY 10 usec,
reliability 255/255, txload 1/255, rxload 1/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Carrier delay is 0 msec
Full-duplex, 10Gb/s
input flow-control is off, output flow-control is off
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:01, output 00:00:00, output hang never
Last clearing of "show interface" counters 00:04:42
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 61000 bits/sec, 5 packets/sec
5 minute output rate 122000 bits/sec, 10 packets/sec
L2 Switched: ucast: 2125 pkt, 3009776 bytes - mcast: 91 pkt, 9002 bytes
L3 in Switched: ucast: 722 pkt, 103522 bytes - mcast: 0 pkt, 0 bytes mcast
L3 out Switched: ucast: 1917 pkt, 1988787 bytes mcast: 0 pkt, 0 bytes
2977 packets input, 3129113 bytes, 0 no buffer
Received 101 broadcasts (0 IP multicasts)
0 runts, 1969 giants, 0 throttles
0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
0 input packets with dribble condition detected
4185 packets output, 5139140 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 PAUSE output
0 output buffer failures, 0 output buffers swapped out
Thanks
On Mon, Oct 19, 2009 at 12:55 PM, garry baker <baker.garry_at_gmail.com> wrote:
> Router--A #sh interfaces t1/1
> 'Last clearing of "show interface" counters 24w6d'
>
> can you clear the counters? to get a better idea when you run the ping
> tests...
>
> On Mon, Oct 19, 2009 at 11:27 AM, adam gibs <adamgibs7_at_gmail.com> wrote:
>
>> Hi,
>>
>> Am getting CRC errors and input errors that can be for which reason??
>> Router
>> C is the ISP device router A and B is in my control and running MPLS in
>> between them and MTU size btween them is 1524.Layer 2 trunk is configured
>> between C and B and a SVI is created to cummnicate to router C.
>>
>> The key point i wanna tell u is if the MTU is not define while pinging
>> ,,the success rate is 100%
>>
>> sh interface for B
>>
>> Router-B #sh interfaces vlan XX
>> VlanXX is up, line protocol is up
>> Hardware is EtherSVI, address is 001d.7198.bc00 (bia 001d.7198.bc00)
>> Internet address is X.X.X.X/X
>> MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec,
>> reliability 255/255, txload 1/255, rxload 1/255
>> Encapsulation ARPA, loopback not set
>> Keepalive not supported
>> ARP type: ARPA, ARP Timeout 04:00:00
>> Last input 00:00:19, output 00:00:19, output hang never
>> Last clearing of "show interface" counters 20:13:44
>> Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
>> Queueing strategy: fifo
>> Output queue: 0/40 (size/max)
>> 5 minute input rate 0 bits/sec, 0 packets/sec
>> 5 minute output rate 0 bits/sec, 0 packets/sec
>> L2 Switched: ucast: 2414 pkt, 170278 bytes - mcast: 0 pkt, 0 bytes
>> L3 in Switched: ucast: 55274 pkt, 9712088 bytes - mcast: 0 pkt, 0 bytes
>> mcast
>> L3 out Switched: ucast: 1213 pkt, 90975 bytes mcast: 0 pkt, 0 bytes
>> 57688 packets input, 9882366 bytes, 0 no buffer
>> Received 0 broadcasts (0 IP multicasts)
>> 0 runts, 0 giants, 0 throttles
>> 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored
>> 58935 packets output, 9776944 bytes, 0 underruns
>> 0 output errors, 0 interface resets
>> 0 output buffer failures, 0 output buffers swapped out
>>
>> sh interface on A
>>
>>
>> Router--A #sh interfaces t1/1
>> TenGigabitEthernet1/1 is up, line protocol is up (connected)
>> Hardware is C6k 10000Mb 802.3, address is 001e.13e5.08c0 (bia
>> 001e.13e5.08c0)
>> Internet address is X.X.X.X/X
>> MTU 1524 bytes, BW 10000000 Kbit, DLY 10 usec,
>> reliability 255/255, txload 1/255, rxload 1/255
>> Encapsulation ARPA, loopback not set
>> Keepalive set (10 sec)
>> Carrier delay is 0 msec
>> Full-duplex, 10Gb/s
>> input flow-control is off, output flow-control is off
>> ARP type: ARPA, ARP Timeout 04:00:00
>> Last input 00:00:00, output 00:00:02, output hang never
>> Last clearing of "show interface" counters 24w6d
>> Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
>> Queueing strategy: fifo
>> Output queue: 0/40 (size/max)
>> 5 minute input rate 42000 bits/sec, 7 packets/sec
>> 5 minute output rate 102000 bits/sec, 12 packets/sec
>> L2 Switched: ucast: 2510607 pkt, 284517486 bytes - mcast: 5014037 pkt,
>> 502588486 bytes
>> L3 in Switched: ucast: 27484640 pkt, 4089035241 bytes - mcast: 0 pkt, 0
>> bytes mcast
>> L3 out Switched: ucast: 62961890 pkt, 56037590371 bytes mcast: 0 pkt, 0
>> bytes
>> 35288706 packets input, 4992780739 bytes, 0 no buffer
>> Received 5293236 broadcasts (0 IP multicasts)
>> 0 runts, 2411 giants, 0 throttles
>> 76 input errors, 65 CRC, 11 frame, 0 overrun, 0 ignored
>> 0 watchdog, 0 multicast, 0 pause input
>> 0 input packets with dribble condition detected
>> 73469711 packets output, 57321041866 bytes, 0 underruns
>> 0 output errors, 0 collisions, 2 interface resets
>> 0 babbles, 0 late collision, 0 deferred
>> 0 lost carrier, 0 no carrier, 0 PAUSE output
>> 0 output buffer failures, 0 output buffers swapped out
>>
>>
>>
>>
>> On Mon, Oct 19, 2009 at 12:01 PM, Thameem Maranveetil Parambath <
>> security.goodie_at_gmail.com> wrote:
>>
>> > You should get 100% success rate.. Check for sh interface command on
>> the
>> > interface connecting A and B , also B and C and see if you are getting
>> any
>> > errors/discards etc.
>> >
>> > Regards
>> > Thameem
>> >
>> > On Mon, Oct 19, 2009 at 11:01 AM, adam gibs <adamgibs7_at_gmail.com>
>> wrote:
>> >
>> >> friends,
>> >>
>> >> A----------B---------------------C
>> >>
>> >> when i try to ping from A to C by 1500 byte with repeat count of 10000
>> the
>> >> success rate is 98% and sometimes 97%.Is it something i have to go deep
>> to
>> >> troubleshoot or it is normal???? and what troubleshooting can i do for
>> >> such
>> >> situation,The MTU configured on interface is 1520.
>> >>
>> >> Success rate is 98 percent (986/1000), round-trip min/avg/max = 1/1/16
>> ms
>> >>
>> >> The devices A and B is 6500 switch with negligble traffic flowing
>> through
>> >> it.
>> >>
>> >> Thanks
>> >>
>> >>
>> >> Blogs and organic groups at http://www.ccie.net
>> >>
>> >> _______________________________________________________________________
>> >> Subscription information may be found at:
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>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>>
>>
>>
>>
>>
>
>
> --
> Garry L. Baker
>
> "There is no 'patch' for stupidity." - www.sqlsecurity.com
Blogs and organic groups at http://www.ccie.net
Received on Mon Oct 19 2009 - 13:06:22 ART
This archive was generated by hypermail 2.2.0 : Sun Nov 01 2009 - 07:51:00 ART