Question about EIGRP with secondary ip address [7:32557]
Hi all, I have a questions about EIGRP with secondary ip address, details as follow: R1 /E0R2/ E0 | (10.1.1.1/24) | (10.1.1.2/24) | (10.2.2.2/24 secondary)| | | -- R1 has a ethernet interface with primary ip address 10.1.1.1/24 and secondary ip address 10.2.2.2/24. R2 has a ethernet interface with ip address 10.1.1.2/24. Both routers are running EIGRP. R2 cannot learn the network 10.2.2.0 from R1, I think it is due to R1 did not advertise the network in secondary ip, right? How to force R1 to advertise the network in secondary ip? Regards, Dovelet Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=32557t=32557 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Question about EIGRP with secondary ip address [7:32557]
At R1/EO apply the comment no ip split-horizon eigrp XX. Please try it. Regards, Roger Chung CCNP,CCDP - Original Message - From: Dovelet To: Sent: Saturday, January 19, 2002 1:05 PM Subject: Question about EIGRP with secondary ip address [7:32557] Hi all, I have a questions about EIGRP with secondary ip address, details as follow: R1 /E0R2/ E0 | (10.1.1.1/24) | (10.1.1.2/24) | (10.2.2.2/24 secondary)| | | -- R1 has a ethernet interface with primary ip address 10.1.1.1/24 and secondary ip address 10.2.2.2/24. R2 has a ethernet interface with ip address 10.1.1.2/24. Both routers are running EIGRP. R2 cannot learn the network 10.2.2.0 from R1, I think it is due to R1 did not advertise the network in secondary ip, right? How to force R1 to advertise the network in secondary ip? Regards, Dovelet Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=32561t=32557 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Question about EIGRP with secondary ip address [7:32557]
You have to disable split horizon on R1/E0 interface. Sasa CCIE #8635 I have a questions about EIGRP with secondary ip address, details as follow: R1 /E0R2/ E0 | (10.1.1.1/24) | (10.1.1.2/24) | (10.2.2.2/24 secondary)| | | -- R1 has a ethernet interface with primary ip address 10.1.1.1/24 and secondary ip address 10.2.2.2/24. R2 has a ethernet interface with ip address 10.1.1.2/24. Both routers are running EIGRP. R2 cannot learn the network 10.2.2.0 from R1, I think it is due to R1 did not advertise the network in secondary ip, right? How to force R1 to advertise the network in secondary ip? Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=32562t=32557 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Question about eigrp
The passive-interface command behaves differently for different routing protocols. EIGRP with passive-interface does not send hello packets and therefore does not form adjacencies with neighbors. Very useful when testing new WAN Links in live environments. regards, Phil. --- "Raul F. Fernandez" [EMAIL PROTECTED] wrote: Circusnuts, Yes I too found this to be a bit different. I realize in most cases the passive-interface command can be used to keep an interface from sending routing information update but it can still take updates. I see no EIGRP updates on the stub router's routing table except for the default route "D* 0.0.0.0/0 [90/160514560] via 10.139.248.133, 1d06h, Serial0/0.1". What is interesting to me is that it has formed a neighbor adjecency with hub router yet it does not seem to be sending any ipdates to the multicast address 224.0.0.10. Circusnut, the router is a 2600 mem and the IOS file is SF26AP-12.0.7T.BIN. I am looking for info now...but any input from you would be gladly received. This is the EIGRP config, I am really not dreaming :) router eigrp 64783 network 10.0.0.0 network 172.26.0.0 no auto-summary eigrp stub connected Sincerely, Raul F. Fernandez -Original Message- From: Circusnuts [EMAIL PROTECTED] To: Raul Fernandez [EMAIL PROTECTED]; 'Cisco group study' [EMAIL PROTECTED] Date: Sunday, November 12, 2000 9:23 AM Subject: Re: Question about eigrp Hmmm- a couple things you have described don't seem EIGRP-like. The network @ the office is EIGRP stubs are usually set as passive or not set EIGRP @ all. In both cases they're alive can transmit thought the network, but only "a little help from their friend" (their directly connected neighbor). Now- the stub command may be needed when multiple connection run to a dead end or solo router (I have never had this issue). With a default gateway, this surprises me... EIGRP would not be doing it's job of discovering of a successor or feasible, with static commands. Changing path cost I have seen, but default- anything I don't recommend. If your network is small, this may not be issues. My job deals with over 1300 EIGRP routers we have to follow EIGRP to the letter or it things go crazy (which happens anyway from time to time :-) If you ever get a chance, pick up EIGRP Network Design Solutions (Cisco Press). As for the 12.7T, what model of router ??? We have been sooo leery with the 12.0's, especially in the 7500 series (when it comes to EIGRP). I could check a few devices, but I can tell you DES, LANE, EIGRP do not exist well beyond 11.2 (22a)... Let me know, I actually get to talk from some experience here :-) Good Luck !!! Phil - Original Message - From: Raul Fernandez To: 'Cisco group study' Sent: Saturday, November 11, 2000 8:36 PM Subject: Question about eigrp I have been working with a system which has under its eigrp process this command "eigrp stub connected". From what I gather this perticular router acts as a stub and receives no eigrp updates to its routing table but does receive and send out hellos because it has established a neighbor relationship to the hub router. There is a default gateway which seem to route all packages out of the router and into the hub router. Anyone have any links or info on this. IOS version is 12.0(7)T and I have looked in the CCO but I see nothing so far. Anything on this for reading purposes would be much appreciated. Sincerely, Raul F. Fernandez Do You Yahoo!? Get your free @yahoo.co.uk address at http://mail.yahoo.co.uk or your free @yahoo.ie address at http://mail.yahoo.ie _ FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: Question about eigrp
Circusnuts,
Yes I too found this to be a bit different. I
realize in most cases the passive-interface command can be used to keep an
interface from sending routing information update but it can still take updates.
I see no EIGRP updates on the stub router's routing table except for the default
route "D* 0.0.0.0/0 [90/160514560] via 10.139.248.133, 1d06h,
Serial0/0.1". What is interesting to me is that it has formed a neighbor
adjecency with hub router yet it does not seem to be sending any ipdates to the
multicast address 224.0.0.10. Circusnut, the router is a 2600 mem and the IOS
file is SF26AP-12.0.7T.BIN. I am looking for info now...but any input from you
would be gladly received.
This is the EIGRP config, I am really not
dreaming :)
router eigrp 64783 network 10.0.0.0
network 172.26.0.0 no auto-summary eigrp stub connected
Sincerely,
Raul F. Fernandez
-Original Message-From:
Circusnuts [EMAIL PROTECTED]To:
Raul Fernandez [EMAIL PROTECTED]; 'Cisco group study'
[EMAIL PROTECTED]Date:
Sunday, November 12, 2000 9:23 AMSubject: Re: Question about
eigrp
Hmmm- a couple things you have described don't seem
EIGRP-like. The network @ the office is EIGRP stubs are usually
set as passive or not set EIGRP @ all. In both cases they're alive
can transmit thought the network, but only"a little help from their
friend" (their directly connected neighbor). Now- the stub command may
be needed when multiple connection run to a dead end or solo router (I have
never had this issue). Witha default gateway, this surprises
me... EIGRP would not be doing it's job of discoveringof a
successor or feasible, with static commands. Changing path cost I have
seen, but default- anything I don't recommend. If your network is small,
this may not be issues. My job deals with over 1300 EIGRP routers
we have to follow EIGRP to the letter or itthings go crazy
(whichhappens anyway from time to time :-) If you ever get a
chance, pick up EIGRP Network Design Solutions (Cisco Press). As for the
12.7T, what model of router ??? We have been sooo leery with the 12.0's,
especially in the 7500 series (when it comes to EIGRP). I could check a
few devices, but I can tell you DES, LANE, EIGRP do not exist well
beyond 11.2 (22a)...
Let me know, I actually get to talk from some experience
here :-)
Good Luck !!!
Phil
- Original Message -
From:
Raul
Fernandez
To: 'Cisco group
study'
Sent: Saturday, November 11, 2000 8:36
PM
Subject: Question about eigrp
I have been working with a system which has under its
eigrp process this command "eigrp stub connected". From what I gather this
perticular router acts as a stub and receives no eigrp updates to its
routing table but does receive and send out hellos because it has
established a neighbor relationship to the hub router. There is a default
gateway which seem to route all packages out of the router and into the hub
router. Anyone have any links or info on this. IOS version is 12.0(7)T and I
have looked in the CCO but I see nothing so far. Anything on this for
reading purposes would be much appreciated.
Sincerely,
Raul F. Fernandez
Re: Question about eigrp
Hmmm- a couple things you have described don't seem EIGRP-like. The network @ the office is EIGRP stubs are usually set as passive or not set EIGRP @ all. In both cases they're alive can transmit thought the network, but only"a little help from their friend" (their directly connected neighbor). Now- the stub command may be needed when multiple connection run to a dead end or solo router (I have never had this issue). Witha default gateway, this surprises me... EIGRP would not be doing it's job of discoveringof a successor or feasible, with static commands. Changing path cost I have seen, but default- anything I don't recommend. If your network is small, this may not be issues. My job deals with over 1300 EIGRP routers we have to follow EIGRP to the letter or itthings go crazy (whichhappens anyway from time to time :-) If you ever get a chance, pick up EIGRP Network Design Solutions (Cisco Press). As for the 12.7T, what model of router ??? We have been sooo leery with the 12.0's, especially in the 7500 series (when it comes to EIGRP). I could check a few devices, but I can tell you DES, LANE, EIGRP do not exist well beyond 11.2 (22a)... Let me know, I actually get to talk from some experience here :-) Good Luck !!! Phil - Original Message - From: Raul Fernandez To: 'Cisco group study' Sent: Saturday, November 11, 2000 8:36 PM Subject: Question about eigrp I have been working with a system which has under its eigrp process this command "eigrp stub connected". From what I gather this perticular router acts as a stub and receives no eigrp updates to its routing table but does receive and send out hellos because it has established a neighbor relationship to the hub router. There is a default gateway which seem to route all packages out of the router and into the hub router. Anyone have any links or info on this. IOS version is 12.0(7)T and I have looked in the CCO but I see nothing so far. Anything on this for reading purposes would be much appreciated. Sincerely, Raul F. Fernandez
Question about eigrp
I have been working with a system which has under its eigrp process this command "eigrp stub connected". From what I gather this perticular router acts as a stub and receives no eigrp updates to its routing table but does receive and send out hellos because it has established a neighbor relationship to the hub router. There is a default gateway which seem to route all packages out of the router and into the hub router. Anyone have any links or info on this. IOS version is 12.0(7)T and I have looked in the CCO but I see nothing so far. Anything on this for reading purposes would be much appreciated. Sincerely, Raul F. Fernandez
