Re: Ping drops

Dears

The link between ISP and router B is gig SFP MM fibre as a layer 2 trunk.and
i have created a SVI on router B.

Regards,

On Mon, Oct 19, 2009 at 2:16 PM, Thameem Maranveetil Parambath <
security.goodie_at_gmail.com> wrote:

> Dear,
>
> What is the access mode from your isp? is it fiber? is there any fiber to
> gig converter in between?
>
> Ask the service provider to get involved int his...
>
> Regards
>
> On Mon, Oct 19, 2009 at 1:29 PM, adam gibs <adamgibs7_at_gmail.com> wrote:
>
>> Thanks Dears for UR support nd explanation.
>>
>>
>> On Mon, Oct 19, 2009 at 1:25 PM, Marko Milivojevic <markom_at_markom.info>wrote:
>>
>>> Like I wrote, it's control plane policing on the destination router -
>>> there is nothing you can do and this is not an error. Your ISP doesn't
>>> want to waste CPU cycles on replying to useless ping packets to its
>>> router... on purpose! If you wish to test cct. performance, test it
>>> end-to-end, not by testing CPU of the intermediate routers... :-)
>>>
>>> --
>>> Marko
>>> CCIE #18427 (SP)
>>> My network blog: http://cisco.markom.info/
>>>
>>> On Mon, Oct 19, 2009 at 09:21, adam gibs <adamgibs7_at_gmail.com> wrote:
>>> > Dears,
>>> >
>>> > the success rate from A to B is 100% and also from B to A is 100%,The
>>> issue
>>> > is from router C that is ISP, I dont have control on router C i will
>>> > coordinate with them for the issue,
>>> >
>>> > Any more suggestion pls mail to me,
>>> >
>>> > Helping each other will lead to success,
>>> >
>>> > Thanks Dears,
>>> >
>>> >
>>> >
>>> >
>>> > On Mon, Oct 19, 2009 at 1:16 PM, Marko Milivojevic <markom_at_markom.info
>>> >
>>> > wrote:
>>> >>
>>> >> Destination router probably has control plane policing turned on. Can
>>> >> you disable it and try again?
>>> >>
>>> >> On Mon, Oct 19, 2009 at 09:06, adam gibs <adamgibs7_at_gmail.com> wrote:
>>> >> > 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:
>>> >> >>> >> http://www.groupstudy.com/list/CCIELab.html
>>> >> >>>
>>> >> >>>
>>> >> >>> 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
>>> >> >
>>> >> >
>>> _______________________________________________________________________
>>> >> > Subscription information may be found at:
>>> >> > http://www.groupstudy.com/list/CCIELab.html

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Received on Mon Oct 19 2009 - 14:27:32 ART