Would upgrading solve his problem?

At 03:00 PM 5/9/02, Larry Letterman wrote:
>I didn't say 10.3 would not handle it, did I...I just said to update the
>ios because its old...
>
>Larry Letterman
>Cisco Systems
>[EMAIL PROTECTED]
>----- Original Message -----
>From: "Priscilla Oppenheimer"
>To:
>Sent: Thursday, May 09, 2002 10:37 AM
>Subject: Re: why I can't use normal ping in new router??? [7:43709]
>
>
> > At 03:57 AM 5/9/02, Larry Letterman wrote:
> > >Update the IOS to something modern...
> >
> > Do you work for TAC? Cisco IOS 10.3 could certainly handle ping just
fine.
> > ;-)
> >
> > I have a guess. Notice that the serial link has a subnet mask of
> > 255.255.255.252. This is a subnet mask that you typically see on a
> > point-to-point link with just two devices on it (the routers at either
> > end). The link has no purpose other than to connect the customer's LAN to
> > the ISP. Hence, there's no reason for the ISP to advertise a route to
that
> > point-to-point 100.20.90.56/30 network. In fact, for security reasons,
>it's
> > probably a good idea to make sure there is not a route to this dedicated
> > network that has just two memebers, the two router interfaces.
> >
> > So, this means that there's no way for a ping reply to get back to the
> > 100.20.90.58 address.
> >
> > Now, the LAN is addressed with a network number and subnet mask that you
> > might see used for a typical small customer (60.80.200.113
> > 255.255.255.240). Undoubtedly, there are no problems getting back to this
> > LAN. The fact that he can surf the Web proves that point.
> >
> > Priscilla
> >
> >
> >
> >
> > >Larry Letterman
> > >Cisco Systems
> > >[EMAIL PROTECTED]
> > >----- Original Message -----
> > >From: "Kenny Smith"
> > >To:
> > >Sent: Thursday, May 09, 2002 12:20 AM
> > >Subject: RE: why I can't use normal ping in new router??? [7:43709]
> > >
> > >
> > > > Below is my config...why you think there is a route missing
somewhere,
>as
> > >I
> > > > can still use extended ping to ping and I can use it to surf net as
> > >normal.
> > > > The only thing that I can't do is to normal ping from here..  What
>should
> > >me
> > > > the problem? It is related to the new ISP?
> > > >
> > > > 2500new#sh conf
> > > > Using 1561 out of 32762 bytes
> > > > !
> > > > version 10.3
> > > > no service finger
> > > > service password-encryption
> > > > no service udp-small-servers
> > > > no service tcp-small-servers
> > > > !
> > > > hostname 2500new
> > > > !
> > > > enable secret xxxxxx
> > > > !
> > > > ip subnet-zero
> > > > no ip source-route
> > > > !
> > > > interface Ethernet0
> > > > description To Office Ethernet
> > > > ip address 60.80.200.113 255.255.255.240
> > > > no ip directed-broadcast
> > > > ip accounting output-packets
> > > > ip route-cache same-interface
> > > > !
> > > > interface Serial0
> > > > description XXX
> > > > ip address 100.20.90.58 255.255.255.252
> > > > no ip directed-broadcast
> > > > ip accounting output-packets
> > > > bandwidth 512
> > > > !
> > > > interface Serial1
> > > > no ip address
> > > > shutdown
> > > > !
> > > > ip name-server 203.116.1.78
> > > > ip name-server 203.116.1.94
> > > > ip classless
> > > > ip route 0.0.0.0 0.0.0.0 100.20.90.57
> > > > tftp-server flash \tftpboot\IGS-IN-L.BIN
> > > > snmp-server community public RO
> > > > banner exec ^C
> > > >
> > > > Router name:   2500new
> > > >    Platform:   Cisco 2500
> > > >    Location:   Equant
> > > >
> > > > ^C
> > > > banner login ^C
> > > >
> > > > Unauthorised access is prohibited and may lead to
> > > > legal or disciplinary action being taken against you
> > > > ^C
> > > > !
> > > > line con 0
> > > > line aux 0
> > > > transport input all
> > > > line vty 0
> > > > exec-timeout 15 0
> > > > password 7 XXXXXXXX
> > > > login
> > > > length 0
> > > > line vty 1
> > > > exec-timeout 0 0
> > > > password 7 XXXXXXX
> > > > login
> > > > line vty 2 4
> > > > password 7 XXXXXXX
> > > > login
> > > > !
> > > > end
> > > >
> > > >
> > > >
> > > > >From: Andrew Larkins
> > > > >To: Kenny Smith , [EMAIL PROTECTED]
> > > > >Subject: RE: why I can't use normal ping in new router??? [7:43709]
> > > > >Date: Thu, 9 May 2002 08:53:34 +0200
> > > > >
> > > > >my guess is that there is a route missing somewhere here from when
>you
> > > > >migrated to the new unit. Just to make sure, plse post the configs
>and
> > we
> > > > >can see.
> > > > >
> > > > >-----Original Message-----
> > > > >From: Kenny Smith [mailto:[EMAIL PROTECTED]]
> > > > >Sent: 09 May 2002 07:54
> > > > >To: [EMAIL PROTECTED]
> > > > >Subject: why I can't use normal ping in new router??? [7:43709]
> > > > >
> > > > >
> > > > >May I know why I have to use extended ping/traceroute to ping from
my
> > new
> > > > >router (2500new) and I have to specify extended command3yes, and
>source
> > > > >address is ethernet0 (serial0 don!&t work).  If I just use ping
> > > > >202.172.227.114. it doesn!&t works.  Why???   And I can use !'ping
> > > > >202.172.227.114!( to ping from my old router (2500old) !Vshown
below.
> > > > >Why???  Why I can only use extended ping and specify ethernet0.
> > > > >
> > > > >2500new#ping
> > > > >Protocol [ip]:
> > > > >Target IP address: 202.172.227.114
> > > > >Repeat count [5]:
> > > > >Datagram size [100]:
> > > > >Timeout in seconds [2]:
> > > > >Extended commands [n]: y
> > > > >Source address: ethernet0
> > > > >Type of service [0]:
> > > > >Set DF bit in IP header? [no]:
> > > > >Data pattern [0xABCD]:
> > > > >Loose, Strict, Record, Timestamp, Verbose[none]:
> > > > >Sweep range of sizes [n]:
> > > > >Type escape sequence to abort.
> > > > >Sending 5, 100-byte ICMP Echos to 202.172.227.114, timeout is 2
>seconds:
> > > > >!!!!!
> > > > >Success rate is 100 percent (5/5), round-trip min/avg/max = 16/22/40
>ms
> > > > >2500new#
> > > > >2500new#ping 202.172.227.114
> > > > >Type escape sequence to abort.
> > > > >Sending 5, 100-byte ICMP Echos to 202.172.227.114, timeout is 2
>seconds:
> > > > >.....
> > > > >Success rate is 0 percent (0/5)
> > > > >2500new#
> > > > >2500new#
> > > > >
> > > > >
> > > > >2500old#ping 202.172.227.114
> > > > >
> > > > >Type escape sequence to abort.
> > > > >Sending 5, 100-byte ICMP Echos to 202.172.227.114, timeout is 2
>seconds:
> > > > >!!!!!
> > > > >Success rate is 100 percent (5/5), round-trip min/avg/max =
>44/171/376
> > ms
> > >
> > > > >2500old#
> > > > >
> >
> >
> > ________________________
> >
> > Priscilla Oppenheimer
> > http://www.priscilla.com
________________________

Priscilla Oppenheimer
http://www.priscilla.com




Message Posted at:
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