From: Alexander Arsenyev (GU/ETL) (alexander.arsenyev@ericsson.com)
Date: Tue Aug 31 2004 - 16:33:54 GMT-3
Simple question - do You put "frame-relay fragment" on remote router as well?
Cheers
Alex
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
gladston@br.ibm.com
Sent: 31 August 2004 18:58
To: ccielab@groupstudy.com
Subject: Re: Re: Ping and Fragment
=================
quoted
-clear counters before the test (noticed quite a bit of drops there, but also quite a bit of traffic)
-include also the map-class (i.e. all relevant configuration)
================
Here is the result
r3#p 172.16.34.4
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.34.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 28/28/28 ms
r3#
r3#p
Protocol [ip]:
Target IP address: 172.16.34.4
Repeat count [5]:
Datagram size [100]: 500
Timeout in seconds [2]:
Extended commands [n]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 5, 500-byte ICMP Echos to 172.16.34.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 76/79/80 ms
r3#
r3#c
Enter configuration commands, one per line. End with CNTL/Z.
r3(config)#int ser 0.34
r3(config-subif)#fram
r3(config-subif)#frame-relay c
r3(config-subif)#frame-relay class Frame
r3(config-subif)#
r3#
r3#p
Protocol [ip]:
Target IP address: 172.16.34.4
Repeat count [5]:
Datagram size [100]: 500
Timeout in seconds [2]:
Extended commands [n]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 5, 500-byte ICMP Echos to 172.16.34.4, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
r3#
r3#s
Building configuration...
Current configuration : 3474 bytes
!
version 12.2
no service single-slot-reload-enable
service timestamps debug uptime
service timestamps log uptime
no service password-encryption
!
hostname r3
!
logging rate-limit console 10 except errors
no logging console
!
ip subnet-zero
no ip finger
no ip domain-lookup
!
interface Loopback0
ip address 172.16.3.3 255.255.255.0
ip ospf network point-to-point
!
interface Serial0
no ip address
encapsulation frame-relay
ip ospf network point-to-point
frame-relay traffic-shaping
frame-relay lmi-type cisco
!
interface Serial0.32 multipoint
ip address 172.16.23.3 255.255.255.0
ip ospf network point-to-point
frame-relay map ip 172.16.23.2 302 broadcast
!
interface Serial0.34 multipoint
ip address 172.16.34.3 255.255.255.0
ip access-group Inbound in
ip access-group Outbound out
ip ospf network point-to-point
frame-relay class Frame
frame-relay map ip 172.16.34.4 304 broadcast
!
interface Serial1
no ip address
shutdown
!
router ospf 1
log-adjacency-changes
network 172.16.3.0 0.0.0.255 area 0
network 172.16.13.0 0.0.0.255 area 0
network 172.16.23.0 0.0.0.255 area 0
network 172.16.34.0 0.0.0.255 area 0
!
ip access-list extended Inbound
permit ospf any any
permit icmp any any administratively-prohibited
evaluate Evaluatewhatgoesout
permit icmp any any
ip access-list extended Outbound
permit ip any any reflect Evaluatewhatgoesout
permit icmp any any reflect Evaluatewhatgoesout
!
map-class frame-relay Frame
no frame-relay adaptive-shaping
frame-relay fair-queue
frame-relay fragment 500
!
alias exec sir show ip route
alias exec sib show ip interface brief
alias exec s show run
alias exec sl show logg
alias exec c conf t
alias exec cl clear logg
alias exec nd no debu all
alias exec sibs show ip bgp summary
alias exec sb show ip bgp
alias exec srb show run | be
alias exec srr show run | be ^router
alias exec sra show run | i ((^access-list)|(^ip access-list)|(^permit)|(^deny))
alias exec srm show run | be ^((route-map)|(^match)|(^set))
alias exec cb clear ip bgp * so
alias exec so show ip os ne
!
line con 0
exec-timeout 0 0
privilege level 15
logging synchronous
transport input none
line aux 0
line vty 0 4
login
!
end
r3#
Note: the reflexive list was not there before, same behavior.
r3#sh frame-relay fragment
interface dlci frag-type frag-size in-frag out-frag dropped-fr
ag
Serial0.34 304 end-to-end 500 0 10 0
As I thought it was a platform problem, I tested on 3620. Same result:
r1#p
Protocol [ip]:
Target IP address: 172.16.14.4
Repeat count [5]:
Datagram size [100]:
Timeout in seconds [2]:
Extended commands [n]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 172.16.14.4, timeout is 2 seconds:
!!!!!
Success rate is 100 percent (5/5), round-trip min/avg/max = 24/24/24 ms
r1#
r1#p
Protocol [ip]:
Target IP address: 172.16.14.4
Repeat count [5]:
Datagram size [100]: 600
Timeout in seconds [2]:
Extended commands [n]:
Sweep range of sizes [n]:
Type escape sequence to abort.
Sending 5, 600-byte ICMP Echos to 172.16.14.4, timeout is 2 seconds:
.....
Success rate is 0 percent (0/5)
r1#
r1#sh ver
Cisco Internetwork Operating System Software
IOS (tm) 3600 Software (C3620-JS-M), Version 12.1(5)T9, RELEASE SOFTWARE (fc1)
TAC Support: http://www.cisco.com/tac
Copyright (c) 1986-2001 by cisco Systems, Inc.
Compiled Sun 24-Jun-01 15:10 by cmong
Image text-base: 0x60008950, data-base: 0x6146A000
ROM: System Bootstrap, Version 11.1(20)AA2, EARLY DEPLOYMENT RELEASE SOFTWARE (f
c1)
r1 uptime is 3 weeks, 1 day, 3 hours, 12 minutes
System returned to ROM by reload at 13:54:00 UTC Wed Jul 7 2004
System image file is "flash:c3620-js-mz.121-5.T9.bin"
cisco 3620 (R4700) processor (revision 0x81) with 53248K/12288K bytes of memory.
Processor board ID 26411040
R4700 CPU at 80Mhz, Implementation 33, Rev 1.0
Bridging software.
X.25 software, Version 3.0.0.
SuperLAT software (copyright 1990 by Meridian Technology Corp).
TN3270 Emulation software.
1 FastEthernet/IEEE 802.3 interface(s)
6 Serial(sync/async) network interface(s)
DRAM configuration is 32 bits wide with parity disabled.
29K bytes of non-volatile configuration memory.
16384K bytes of processor board System flash (Read/Write)
Configuration register is 0x2102
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