Additional information.
See the capture below which demonstrates the effect of the command "ip
subnet-zero"
Current configuration:
!
version 11.2
service timestamps debug uptime
no service password-encryption
no service udp-small-servers
no service tcp-small-servers
!
hostname RouterC
!
enable password XXXXXXXX
!
!
interface Loopback0
ip address 1.1.1.1 255.255.255.0
!
interface Ethernet0
no ip address
shutdown
media-type 10BaseT
!
interface Serial0
no ip address
shutdown
!
interface Serial1
no ip address
shutdown
!
interface Serial2
no ip address
shutdown
!
interface Serial3
no ip address
shutdown
!
no ip classless
!
line con 0
line aux 0
password XXXXXXXXXX
login
line vty 0 4
no login
!
end
RouterC#config term
Enter configuration commands, one per line. End with CNTL/Z.
RouterC(config)#interface s0
RouterC(config-if)#ip address 192.168.150.1 255.255.255.192
Bad mask /26 for address 192.168.150.1
RouterC(config-if)#exit
RouterC(config)#ip subnet-zero
RouterC(config)#interface s0
RouterC(config-if)#ip address 192.168.150.1 255.255.255.192
RouterC(config-if)#^Z
RouterC#show runn
Building configuration...
Current configuration:
!
version 11.2
service timestamps debug uptime
no service password-encryption
no service udp-small-servers
no service tcp-small-servers
!
hostname RouterC
!
enable password XXXXXXXXXX
!
ip subnet-zero
!
interface Loopback0
ip address 1.1.1.1 255.255.255.0
!
interface Ethernet0
no ip address
shutdown
media-type 10BaseT
!
interface Serial0
ip address 192.168.150.1 255.255.255.192
shutdown
!
interface Serial1
no ip address
shutdown
!
interface Serial2
no ip address
shutdown
!
interface Serial3
no ip address
shutdown
!
no ip classless
!
line con 0
line aux 0
password XXXXXXXXXXXXXXX
login
line vty 0 4
no login
!
end
"Cate, Constance" <[EMAIL PROTECTED]> wrote in message
DFF5E04BE0C8D111A558006008BDB9110276C928@AUSA102A">news:DFF5E04BE0C8D111A558006008BDB9110276C928@AUSA102A...
> "ip subnet-zero" is a global command that allows the use of subnet zero
for
> interface addresses and routing updates.
> To disable the use of subnet-zero, and return to the default, use the "no"
> form of the command.
> "no ip subnet-zero"
>
> -----Original Message-----
> From: Niraj Palikhey [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, June 06, 2000 12:57 PM
> To: Constance Cate; [EMAIL PROTECTED];
> [EMAIL PROTECTED]
> Subject: RE: CCNA and subnetting questions
>
>
>
> I forget the use of the ip subnet zero command? Can you clarify?
> Thanks.
>
> >From: "Cate, Constance" <[EMAIL PROTECTED]>
> >Reply-To: "Cate, Constance" <[EMAIL PROTECTED]>
> >To: "'Seth Wilson'" <[EMAIL PROTECTED]>,
> >"'[EMAIL PROTECTED]'" <[EMAIL PROTECTED]>
> >Subject: RE: CCNA and subnetting questions
> >Date: Mon, 5 Jun 2000 08:03:39 -0700
> >
> >1) Read the question, they will tell you what they want you to know; they
> >just don't say it very clearly sometimes. Just like the real world where
> >you
> >have to go plowing through the s&*^ to get to the info you need.
> >2) If they don't say differently in the question that you read very
> >carefully, <grin> then the assumption is that you cannot use the "zero
> >subnets."
> >
> >When you are preparing for a test remember that you are expected to
> >understand the default behavior of the IOS version you are being tested
on.
> >If the question does not specify a different configuration from the
> >default,
> >then assume the default. Sometimes the information is implied by some
> >configuration detail and not directly stated, so..... think through all
the
> >implications of the information you are given.
> >
> >-----Original Message-----
> >From: Seth Wilson [mailto:[EMAIL PROTECTED]]
> >Sent: Thursday, June 01, 2000 6:40 PM
> >To: [EMAIL PROTECTED]
> >Subject: CCNA and subnetting questions
> >
> >
> >Hello everybody,
> >
> >Well, I'm taking a stab at the CCNA this Monday. I'm wondering if, for
the
> >purposes of the exam, that when you get subnetting questions whether
you're
> >supposed to assume that subnet-zero has been enabled or not. I just
> >recently completed my MCSE, and with all the Microsoft tests the zero
> >subnets cannot be used. But I've seen it both ways in studying for the
> >CCNA. Thanks in advance.
> >
> >~Seth~
> >
> >___________________________________
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