Re: What exactly does this EIGRP command do? from ALL From_NJ on 2009-04-07 (Ccielab archives 04/2009)

From: ALL From_NJ <all.from.nj_at_gmail.com>
Date: Tue, 7 Apr 2009 16:37:06 -0400

Ok ... this makes a little more sense. So using this command, and defining
the default network via an access list, was able to stop it. Cool.

I need to lab this up and play some.

Any thoughts on the home lab I attempted with the all zeros route? I could
not stop "that thang" ...

On Tue, Apr 7, 2009 at 4:03 PM, Pavel Bykov <slidersv_at_gmail.com> wrote:

> Andrew, it is not a default route per se (as in 0.0.0.0) but a default
> candidate network, configured using "ip default-network" command.
> While they can accomplish the same task, they are different in operation,
> function and distribution mechanisms.
>
> Read Narbik's email again - he does not use default route as in 0.0.0.0
> 0.0.0.0, but uses mentioned command.
>
>
>
> On Tue, Apr 7, 2009 at 4:21 PM, ALL From_NJ <all.from.nj_at_gmail.com> wrote:
>
>> Hey team,
>>
>> I think I kind of lost the message in the formatting below.
>>
>> I tried to stop a default route from coming in and I was not able to stop
>> it. So ... if I understood everything ... the command:
>>
>> no default-information allow in
>>
>> This command only works when used with an access list?
>>
>> Scenario that I tried to lab up:
>>
>> BB1 sends an eigrp default route to R1. Do not allow this route to show
>> in
>> the routing table. There are many other routes coming from BB1 and of
>> course you can not configure or view the configuration on BB1.
>>
>> So ... if I understood the below, use the no default-info allow in command
>> and put an access list at the end?
>>
>> Sorry if I am missing the point of the below emails ... for some reason
>> these are very hard to read ... something with the formatting.
>>
>> Many thanks
>>
>> Andrew
>>
>>
>>
>> On Tue, Apr 7, 2009 at 2:56 AM, Jason Alex <amr.ccie_at_gmail.com> wrote:
>>
>> > Narbik,
>> > You are the MAN
>> >
>> > Thanks alot
>> >
>> > Regards
>> >
>> > On Tue, Nov 25, 2008 at 11:56 PM, mike jones <ccie1q2008_at_hotmail.com>
>> > wrote:
>> >
>> > > Narbik,
>> > > I tried disallowing in a 0.0.0.0 route that I redistributed into
>> > > EIGRP
>> > > from rip, and it did not work. I got it to work with your above task.
>> > So
>> > > default-information [ allowed | in | out ] only "allow or disallow"
>> > > default-network routes via EIGRP?
>> > >
>> > >
>> > > Thanks!
>> > >
>> > >
>> > > Mike
>> > >
>> > > > Date: Mon, 24 Nov 2008 23:00:38 -0800
>> > > > From: narbikk_at_gmail.com
>> > > > To: deadheadblues_at_gmail.com
>> > > > Subject: Re: What exactly does this EIGRP command do?
>> > > default-information [
>> > > allowed | in | out ]
>> > > > CC: madsen.jason_at_gmail.com; ccielab_at_groupstudy.com
>> > > >
>> > > > I guess the fonts went crazy on me, but the IP address of R2's
>> S0/0.23
>> > > > should be ".2" and the IP address of R3's S0/0.32 should be ".3".
>> > > >
>> > > > On Mon, Nov 24, 2008 at 10:55 PM, Narbik Kocharians
>> > > <narbikk_at_gmail.com>wrote:
>> > > >
>> > > > > *OK check this lab and i know it will help you understand this
>> > command
>> > > > > totally:*
>> > > > >
>> > > > >
>> > > > > R1 (S0/0.12)----------------------(S0/0.21) R2
>> > > > > (S0/0.23)----------------------(S0/0.32) R3
>> > > > > .1 *10.1.12.0/24* .2
>> > > > > .3
>> > > *
>> > > > > 10.1.23.0 /24 * .4
>> > > > >
>> > > > > The connection between the routers are frame-relay all configured
>> in
>> > a
>> > > P2P
>> > > > > manner, but understand that it could be any kinda connection.
>> > > > > R1 has 3 loopback interfaces (2.0.0.0/8, 3.0.0.0/8 and 4.0.0.0/8
>> ).
>> > > > >
>> > > > > *Task 1*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > Configure Eigrp on all routers and advertise their directly
>> connected
>> > > > > interfaces in AS 100. R1 should NOT advertise network 4.0.0.0 /8
>> in
>> > > this
>> > > > > routing protocol.
>> > > > >
>> > > > >
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *On R1*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > R1(config)#Router eigrp 100
>> > > > >
>> > > > > R1(config-router)#no au
>> > > > >
>> > > > > R1(config-router)#netw 2.0.0.0
>> > > > >
>> > > > > R1(config-router)#netw 3.0.0.0
>> > > > >
>> > > > > R1(config-router)#netw 10.1.12.1 0.0.0.0
>> > > > >
>> > > > >
>> > > > >
>> > > > > *On R2*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > R2(config)#Router eigrp 100
>> > > > >
>> > > > > R2(config-router)#no au
>> > > > >
>> > > > > R2(config-router)#network 10.1.12.2 0.0.0.0
>> > > > >
>> > > > > R2(config-router)#network 10.1.23.2 0.0.0.0
>> > > > >
>> > > > >
>> > > > >
>> > > > > *On R3*
>> > > > >
>> > > > >
>> > > > >
>> > > > > R3(config)#Router eigrp 100
>> > > > >
>> > > > > R3(config-router)#no au
>> > > > >
>> > > > > R3(config-router)#network 10.1.23.3 0.0.0.0
>> > > > >
>> > > > >
>> > > > >
>> > > > > *To verify the configuration:*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *On R1*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *R1#Show ip route eigrp*
>> > > > >
>> > > > >
>> > > > >
>> > > > > 10.0.0.0/24 is subnetted, 2 subnets
>> > > > >
>> > > > > D 10.1.23.0 [90/2681856] via 10.1.12.2, 00:01:55,
>> Serial0/0.12
>> > > > >
>> > > > >
>> > > > >
>> > > > > *On R2*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *R2#Show ip route eigrp*
>> > > > >
>> > > > >
>> > > > >
>> > > > > D 2.0.0.0/8 [90/2297856] via 10.1.12.1, 00:02:21, Serial0/0.21
>> > > > >
>> > > > > D 3.0.0.0/8 [90/2297856] via 10.1.12.1, 00:02:21, Serial0/0.21
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *On R3*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *R3#Show ip route eigrp*
>> > > > >
>> > > > >
>> > > > >
>> > > > > D 2.0.0.0/8 [90/2809856] via 10.1.23.2, 00:01:57, Serial0/0.32
>> > > > >
>> > > > > D 3.0.0.0/8 [90/2809856] via 10.1.23.2, 00:01:57, Serial0/0.32
>> > > > >
>> > > > > 10.0.0.0/24 is subnetted, 2 subnets
>> > > > >
>> > > > >
>> > > > >
>> > > > > D 10.1.12.0 [90/2681856] via 10.1.23.2, 00:01:57,
>> > Serial0/0.32**
>> > > > >
>> > > > >
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *Task 2*
>> > > > >
>> > > > >
>> > > > >
>> > > > > Configure R1 such that R2 and R3 use network 2.0.0.0 /8 as
>> candidate
>> > > > > default.
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > *On R1*
>> > > > >
>> > > > >
>> > > > >
>> > > > > R1(config)#*ip default-network 2.0.0.0*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *To verify the configuration:*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *On R2*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *R2#Show ip route eigrp*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *D* 2.0.0.0/8 [90/2297856] via 10.1.12.1, 00:00:41,
>> Serial1/0.21*
>> > > > >
>> > > > > D 3.0.0.0/8 [90/2297856] via 10.1.12.1, 00:07:55,
>> Serial1/0.21
>> > > > >
>> > > > >
>> > > > >
>> > > > > *Note the asterisk reveals that R2 is using that network as the
>> > > candidate
>> > > > > default.*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *To test the configuration:*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *On R2*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *R2#Ping 4.4.4.4*
>> > > > >
>> > > > >
>> > > > >
>> > > > > Type escape sequence to abort.
>> > > > >
>> > > > > Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
>> > > > >
>> > > > > !!!!!
>> > > > >
>> > > > > Success rate is 100 percent (5/5), round-trip min/avg/max =
>> 8/26/60
>> > ms
>> > > > >
>> > > > >
>> > > > >
>> > > > > *To verify the configuration on R3:*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *R3#Show ip route eigrp*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *D* 2.0.0.0/8 [90/2809856] via 10.1.23.2, 00:04:24,
>> Serial1/0.32*
>> > > > >
>> > > > > D 3.0.0.0/8 [90/2809856] via 10.1.23.2, 00:10:39, Serial1/0.32
>> > > > >
>> > > > > 10.0.0.0/24 is subnetted, 2 subnets
>> > > > >
>> > > > > D 10.1.12.0 [90/2681856] via 10.1.23.2, 00:10:39,
>> Serial1/0.32
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *R3#Ping 4.4.4.4*
>> > > > >
>> > > > >
>> > > > >
>> > > > > Type escape sequence to abort.
>> > > > >
>> > > > > Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
>> > > > >
>> > > > > !!!!!
>> > > > >
>> > > > > Success rate is 100 percent (5/5), round-trip min/avg/max =
>> 4/32/92
>> > ms
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > *Task 3*
>> > > > >
>> > > > >
>> > > > >
>> > > > > Configure R2 such that *R3* does NOT use network 2.0.0.0 /8 as a
>> > > candidate
>> > > > > default.
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > *On R2*
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2(config)#router eigrp 100
>> > > > >
>> > > > > R2(config-router)#*no default-information allowed out*
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2#Clear ip eigrp neighbor
>> > > > >
>> > > > >
>> > > > >
>> > > > > *Note the "no default-information allowed out" disables the
>> > > redistribution
>> > > > > of default route, meaning R3 will no longer use network 2.0.0.0 /8
>> as
>> > > its
>> > > > > candidate default, but it will still have that network in its
>> routing
>> > > table.
>> > > > > *
>> > > > >
>> > > > >
>> > > > >
>> > > > > *To verify the configuration:*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *On R2*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *R2#Show ip route eigrp *
>> > > > >
>> > > > >
>> > > > >
>> > > > > *D* 2.0.0.0/8* [90/2297856] via 10.1.12.1, 00:00:25,
>> Serial1/0.21
>> > > > >
>> > > > > D 3.0.0.0/8 [90/2297856] via 10.1.12.1, 00:00:25, Serial1/0.21
>> > > > >
>> > > > >
>> > > > >
>> > > > > *On R3*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *R3#Show ip route eigrp*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *D 2.0.0.0/8* [90/2809856] via 10.1.23.2, 00:01:04,
>> Serial1/0.32
>> > > > >
>> > > > > D 3.0.0.0/8 [90/2809856] via 10.1.23.2, 00:01:04, Serial1/0.32
>> > > > >
>> > > > > 10.0.0.0/24 is subnetted, 2 subnets
>> > > > >
>> > > > > D 10.1.12.0 [90/2681856] via 10.1.23.2, 00:01:06,
>> Serial1/0.32
>> > > > >
>> > > > >
>> > > > >
>> > > > > *To test the configuration:*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *On R3*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *R3#Ping 4.4.4.4*
>> > > > >
>> > > > >
>> > > > >
>> > > > > Type escape sequence to abort.
>> > > > >
>> > > > > Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
>> > > > >
>> > > > > .....
>> > > > >
>> > > > > Success rate is 0 percent (0/5)
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > *Task 4*
>> > > > >
>> > > > >
>> > > > >
>> > > > > Remove the command that was entered in the previous task from R2,
>> and
>> > > > > configure R3 to accomplish the same task, if this configuration is
>> > > performed
>> > > > > correctly, R3 should NOT use network 2.0.0.0 /8 as the candidate
>> > > default.
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > *To remove the command from R2:*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *On R2*
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2(config)#router eigrp 100
>> > > > >
>> > > > > R2(config-router)#*default-information allowed out*
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2#cle ip eigrp neighbor
>> > > > >
>> > > > >
>> > > > >
>> > > > > *To verify R2's configuration:*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *On R2*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *R2#sh run | s router eigrp *
>> > > > >
>> > > > >
>> > > > >
>> > > > > router eigrp 100
>> > > > >
>> > > > > network 10.1.12.2 0.0.0.0
>> > > > >
>> > > > > network 10.1.23.2 0.0.0.0
>> > > > >
>> > > > > no auto-summary
>> > > > >
>> > > > >
>> > > > >
>> > > > > *To verify the configuration on R3*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *On R3*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *R3#Show ip route eigrp*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *D* 2.0.0.0/8* [90/2809856] via 10.1.23.2, 00:00:58,
>> Serial1/0.32
>> > > > >
>> > > > > D 3.0.0.0/8 [90/2809856] via 10.1.23.2, 00:00:58, Serial1/0.32
>> > > > >
>> > > > > 10.0.0.0/24 is subnetted, 2 subnets
>> > > > >
>> > > > > D 10.1.12.0 [90/2681856] via 10.1.23.2, 00:01:00,
>> Serial1/0.32
>> > > > >
>> > > > >
>> > > > >
>> > > > > *Note R3 uses network 2.0.0.0 /8 as candidate default. To
>> configure
>> > R3
>> > > to
>> > > > > accomplish the same task:*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *On R3*
>> > > > >
>> > > > >
>> > > > >
>> > > > > R3(config)#router eigrp 100
>> > > > >
>> > > > > R3(config-router)#*no default-information allowed in*
>> > > > >
>> > > > >
>> > > > >
>> > > > > R3#cle ip eigrp nei
>> > > > >
>> > > > >
>> > > > >
>> > > > > *Note from R3's perspective it should disable the redistribution
>> of
>> > the
>> > > > > default route inbound, therefore, the direction of the command is
>> > > configured
>> > > > > inbound. *
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *Note if R2 enters the "no default-information allowed in", then,
>> > > > > neither R2 nor R3 will receive the default route.*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *To test and verify the configuration:*
>> > > > >
>> > > > > * *
>> > > > >
>> > > > > *On R3*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *R3#Show ip route eigrp*
>> > > > >
>> > > > >
>> > > > >
>> > > > > *D 2.0.0.0/8* [90/2809856] via 10.1.23.2, 00:02:38,
>> Serial1/0.32
>> > > > >
>> > > > > D 3.0.0.0/8 [90/2809856] via 10.1.23.2, 00:02:38, Serial1/0.32
>> > > > >
>> > > > > 10.0.0.0/24 is subnetted, 2 subnets
>> > > > >
>> > > > > D 10.1.12.0 [90/2681856] via 10.1.23.2, 00:02:38,
>> Serial1/0.32
>> > > > >
>> > > > >
>> > > > >
>> > > > > *Task 5*
>> > > > > **
>> > > > > **NOW LET'S CONNECT THE THREE ROUTERS TO THE SAME ETHERNET SEGMENT
>> > WITH
>> > > A
>> > > > > NETWORK ADDRESS OF 10.1.1.0 /24, WHERE R1'S IP ADDRESS IS
>> > 10.1.1.1/24,
>> > > > > R2'S IP ADDRESS IS 10.1.1.2/24 AND R3'S IP ADDRESS IS 10.1.1.3/24
>> .
>> > > > > R1 IS STILL CONFIGURED WITH THE THREE LOOPBACK INTERFACES
>> 2.0.0.0/8,
>> > > > > 3.0.0.0/8 AND 4.0.0.0/8.
>> > > > >
>> > > > > *Task 6*
>> > > > > Configure Eigrp on all routers and advertise their directly
>> connected
>> > > > > interfaces in AS 100. R1 should NOT advertise network 4.0.0.0 /8
>> in
>> > > this
>> > > > > routing protocol.
>> > > > > *
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R1
>> > > > >
>> > > > >
>> > > > >
>> > > > > R1(config-if)#router eigrp 100
>> > > > >
>> > > > > R1(config-router)#no au
>> > > > >
>> > > > > R1(config-router)#network 2.0.0.0
>> > > > >
>> > > > > R1(config-router)#Network 3.0.0.0
>> > > > >
>> > > > > R1(config-router)#Network 10.1.1.1 0.0.0.0
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R2
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2(config)#Router eigrp 100
>> > > > >
>> > > > > R2(config-router)#no au
>> > > > >
>> > > > > R2(config-router)#network 10.1.1.2 0.0.0.0
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R3
>> > > > >
>> > > > >
>> > > > >
>> > > > > R3(config)#Router eigrp 100
>> > > > >
>> > > > > R3(config-router)#no au
>> > > > >
>> > > > > R3(config-router)#network 10.1.1.3 0.0.0.0
>> > > > >
>> > > > >
>> > > > >
>> > > > > To verify the configuration
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R2
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2#Show ip route eigrp
>> > > > >
>> > > > >
>> > > > >
>> > > > > D 2.0.0.0/8 [90/409600] via 10.1.1.1, 00:15:21, Ethernet0/0
>> > > > >
>> > > > > D 3.0.0.0/8 [90/409600] via 10.1.1.1, 00:15:21, Ethernet0/0
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R3
>> > > > >
>> > > > >
>> > > > >
>> > > > > R3#Show ip route eigrp
>> > > > >
>> > > > >
>> > > > >
>> > > > > D 2.0.0.0/8 [90/409600] via 10.1.1.1, 00:15:06, Ethernet0/0
>> > > > >
>> > > > > D 3.0.0.0/8 [90/409600] via 10.1.1.1, 00:15:06, Ethernet0/0
>> > > > >
>> > > > >
>> > > > >
>> > > > > Note R1 should not have any Eigrp routes in its routing table.
>> > > > >
>> > > > >
>> > > > >
>> > > > > Task 7
>> > > > >
>> > > > >
>> > > > >
>> > > > > Configure R1 to advertise Network 2.0.0.0 /8 and Network 3.0.0.0
>> /8
>> > as
>> > > > > candidate default in this routing domain.
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R1
>> > > > >
>> > > > >
>> > > > >
>> > > > > R1(config)#ip default-network 2.0.0.0
>> > > > >
>> > > > > R1(config)#ip default-network 3.0.0.0
>> > > > >
>> > > > >
>> > > > >
>> > > > > To verify the configuration:
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R2
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2#Show ip route eigrp
>> > > > >
>> > > > >
>> > > > >
>> > > > > D* 2.0.0.0/8 [90/409600] via 10.1.1.1, 00:02:55, Ethernet0/0
>> > > > >
>> > > > > D* 3.0.0.0/8 [90/409600] via 10.1.1.1, 00:02:52, Ethernet0/0
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R3
>> > > > >
>> > > > >
>> > > > >
>> > > > > R3#Show ip route eigrp
>> > > > >
>> > > > >
>> > > > >
>> > > > > D* 2.0.0.0/8 [90/409600] via 10.1.1.1, 00:03:56, Ethernet0/0
>> > > > >
>> > > > > D* 3.0.0.0/8 [90/409600] via 10.1.1.1, 00:03:52, Ethernet0/0
>> > > > >
>> > > > >
>> > > > >
>> > > > > Note both R2 and R3 use networks 2.0.0.0 /8 and 3.0.0.0 /8 as
>> their
>> > > > > candidate default.
>> > > > >
>> > > > >
>> > > > >
>> > > > > Task 8
>> > > > >
>> > > > >
>> > > > >
>> > > > > Configure R2 and R3 such that R2 uses network 2.0.0.0 /8 and R3
>> uses
>> > > > > network 3.0.0.0 /8 as their candidate default.
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R2
>> > > > >
>> > > > >
>> > > > >
>> > > > > To configure this task, an access-list is written to identify the
>> > > network
>> > > > > (Network 2.0.0.0 /8 in this case), then, the access-list is
>> > referenced
>> > > in
>> > > > > the "Default-information allowed in" command, which tells the
>> router
>> > > that
>> > > > > ONLY the network that is permitted in the access-list should be
>> used
>> > as
>> > > > > candidate default.
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2(config)#access-list 2 permit 2.0.0.0
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2(config)#router eigrp 100
>> > > > >
>> > > > > R2(config-router)#default-information allowed in 2
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2#cle ip eigrp neigh
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2#Show ip route eigrp
>> > > > >
>> > > > >
>> > > > >
>> > > > > D* 2.0.0.0/8 [90/409600] via 10.1.1.1, 00:01:41,
>> FastEthernet0/0
>> > > > >
>> > > > > D 3.0.0.0/8 [90/409600] via 10.1.1.1, 00:01:41,
>> FastEthernet0/0
>> > > > >
>> > > > >
>> > > > >
>> > > > > The following shows the configuration of R3:
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R3
>> > > > >
>> > > > >
>> > > > >
>> > > > > R3(config)#access-list 3 permit 3.0.0.0
>> > > > >
>> > > > >
>> > > > >
>> > > > > R3(config)#Router eigrp 100
>> > > > >
>> > > > > R3(config-router)#default-information allowed in 3
>> > > > >
>> > > > >
>> > > > >
>> > > > > R3#cle ip eigrp neighbor
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > >
>> > > > > To verify the configuration:
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R3
>> > > > >
>> > > > >
>> > > > >
>> > > > > R3#Show ip route eigrp
>> > > > >
>> > > > >
>> > > > >
>> > > > > D 2.0.0.0/8 [90/409600] via 10.1.1.1, 00:01:01, Ethernet0/0
>> > > > >
>> > > > > D* 3.0.0.0/8 [90/409600] via 10.1.1.1, 00:01:01, Ethernet0/0
>> > > > >
>> > > > >
>> > > > >
>> > > > > To test the configuration:
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R2
>> > > > >
>> > > > >
>> > > > >
>> > > > > R2#Ping 4.4.4.4
>> > > > >
>> > > > >
>> > > > >
>> > > > > Type escape sequence to abort.
>> > > > >
>> > > > > Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
>> > > > >
>> > > > > !!!!!
>> > > > >
>> > > > > Success rate is 100 percent (5/5), round-trip min/avg/max =
>> 4/11/24
>> > ms
>> > > > >
>> > > > >
>> > > > >
>> > > > > On R3
>> > > > >
>> > > > >
>> > > > >
>> > > > > R3#Ping 4.4.4.4
>> > > > >
>> > > > >
>> > > > >
>> > > > > Type escape sequence to abort.
>> > > > >
>> > > > > Sending 5, 100-byte ICMP Echos to 4.4.4.4, timeout is 2 seconds:
>> > > > >
>> > > > > !!!!!
>> > > > >
>> > > > > Success rate is 100 percent (5/5), round-trip min/avg/max =
>> 4/13/24
>> > ms
>> > > > > * Once again i am sorry for the long post, but i hope this helped.
>> > > > >
>> > > > > On Mon, Nov 24, 2008 at 4:26 PM, Hobbs <deadheadblues_at_gmail.com>
>> > > wrote:
>> > > > >
>> > > > >> Yep, I had the router generated via RIP, then redistributed into
>> > EIGRP
>> > > > >>
>> > > > >> R6-----[EIGRP]-----R7------[RIP]-------R8 <---- generates default
>> > > > >>
>> > > > >> R7#show ip route | inc 0.0.0.0
>> > > > >> Gateway of last resort is 150.100.78.8 to network 0.0.0.0
>> > > > >> 20.0.0.0/24 is subnetted, 1 subnets
>> > > > >> R* 0.0.0.0/0 [120/1] via 150.100.78.8, 00:00:09, Serial1/0
>> > > > >> R7#
>> > > > >>
>> > > > >>
>> > > > >>
>> > > > >> On 11/24/08, Jason Madsen <madsen.jason_at_gmail.com> wrote:
>> > > > >> >
>> > > > >> > were you testing with a default route originating in the same
>> > EIGRP
>> > > AS
>> > > > >> or
>> > > > >> > was it from another AS or another routing protocol? try your
>> test
>> > > again
>> > > > >> > with the default route originated in say...rip, and then
>> > > redistribute
>> > > > >> into
>> > > > >> > your EIGRP AS and see if what you get.
>> > > > >> >
>> > > > >> > Jason
>> > > > >> >
>> > > > >> > On Mon, Nov 24, 2008 at 4:11 PM, Hobbs <
>> deadheadblues_at_gmail.com>
>> > > wrote:
>> > > > >> >
>> > > > >> >> I know what it does for OSPF and the rest, but it appears it
>> does
>> > > > >> >> something
>> > > > >> >> different (or nothing) for EIGRP
>> > > > >> >>
>> > > > >> >> R7(config)#router eigrp 1
>> > > > >> >>
>> > > > >> >> R7(config-router)#default-information ?
>> > > > >> >> allowed Allow default information
>> > > > >> >> in Accept default routing information
>> > > > >> >> out Output default routing information
>> > > > >> >>
>> > > > >> >> I tried using "no default-information out" but the default
>> route
>> > > was
>> > > > >> still
>> > > > >> >> sent out.
>> > > > >> >> I tried using "no default-information in" on another router
>> but
>> > it
>> > > > >> still
>> > > > >> >> accepted the route.
>> > > > >> >>
>> > > > >> >> R6#show run | sec eigrp
>> > > > >> >> router eigrp 1
>> > > > >> >> network 150.100.0.0
>> > > > >> >> no default-information in
>> > > > >> >> no auto-summary
>> > > > >> >>
>> > > > >> >> R6#show ip route | inc Gate
>> > > > >> >> Gateway of last resort is 150.100.56.7 to network 0.0.0.0
>> > > > >> >>
>> > > > >> >> 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
>> > > > >>
>> > > > >>
>> > > > >>
>> > > > >>
>> > > > >>
>> > > > >>
>> > > > >>
>> > > > >>
>> > > > >
>> > > > >
>> > > > > --
>> > > > > Narbik Kocharians
>> > > > > CCSI#30832, CCIE# 12410 (R&S, SP, Security)
>> > > > > www.MicronicsTraining
>> > > > > www.Net-Workbooks.com <http://www.net-workbooks.com/> <
>> > > http://www.net-workbooks.com/>
>> > > > > Sr. Technical Instructor
>> > > > >
>> > > >
>> > > >
>> > > >
>> > > > --
>> > > > Narbik Kocharians
>> > > > CCSI#30832, CCIE# 12410 (R&S, SP, Security)
>> > > > www.MicronicsTraining
>> > > > www.Net-Workbooks.com <http://www.net-workbooks.com/>
>> > > > Sr. Technical Instructor
>> > > >
>> > > >
>> > > > Blogs and organic groups at http://www.ccie.net
>> > > >
>> > > >
>> _______________________________________________________________________
>> > > > Subscription information may be found at:
>> > > > http://www.groupstudy.com/list/CCIELab.html
>> > > >
>> > > >
>> > > >
>> > > >
>> > > >
>> > > >
>> > > >
>> > >
>> > > _________________________________________________________________
>> > > Access your email online and on the go with Windows Live Hotmail.
>> > >
>> > >
>> >
>> http://windowslive.com/Explore/Hotmail?ocid=TXT_TAGLM_WL_hotmail_acq_access_1
>> > > 12008
>> > >
>> > >
>> > > 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
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>>
>>
>> --
>> Andrew Lee Lissitz
>> all.from.nj_at_gmail.com
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
>> http://www.groupstudy.com/list/CCIELab.html
>>
>>
>>
>>
>>
>>
>>
>>
>
>
> --
> Pavel Bykov
> ----------------
> Don't forget to help stopping the braindumps, use of which reduces value of
> your certifications. Sign the petition at http://www.stopbraindumps.com/
>

-- 
Andrew Lee Lissitz
all.from.nj_at_gmail.com
Blogs and organic groups at http://www.ccie.net

Received on Tue Apr 07 2009 - 16:37:06 ART

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