Re: set interface command under route-map

Will the IOS version make a difference in the CEF route-cache? I am
running 12.4 ADVenterprise
Thanking You

Yours Sincerely

Divin Mathew John
divinjohn_at_gmail.com
divin_at_dide3d.com
http://www.dide3d.com
+91 9945430983
+91 9846697191
+974 5008916
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Sent from Bangalore, KA, India

On Thu, May 7, 2009 at 12:11 AM, Divin Mathew John <divinjohn_at_gmail.com> wrote:
> R0#sh ip route
> *Mar 1 01:00:16.283: %SYS-5-CONFIG_I: Configured from console by console
> Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
> N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
> E1 - OSPF external type 1, E2 - OSPF external type 2
> i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
> ia - IS-IS inter area, * - candidate default, U - per-user static route
> o - ODR, P - periodic downloaded static route
>
> Gateway of last resort is not set
>
> 50.0.0.0/24 is subnetted, 1 subnets
> C 50.50.50.0 is directly connected, Loopback12
> 10.0.0.0/30 is subnetted, 1 subnets
> C 10.1.1.0 is directly connected, FastEthernet0/0
> 11.0.0.0/30 is subnetted, 1 subnets
> C 11.1.1.0 is directly connected, FastEthernet1/0
>
> Thanking You
>
> Yours Sincerely
>
> Divin Mathew John
> divinjohn_at_gmail.com
> divin_at_dide3d.com
> http://www.dide3d.com
> +91 9945430983
> +91 9846697191
> +974 5008916
> PGP PUBLIC KEY BLOCK @ http://www.dide3d.com/divin_Public_PGP_key.txt
> Sent from Bangalore, KA, India
>
>
> On Wed, May 6, 2009 at 11:47 PM, Jared Scrivener
> <jscrivener_at_ipexpert.com> wrote:
>> Thanks for posting the output there, Divin. It does a great job of showing
>> the relationship between your route tables and the CEF table (although R0's
>> route table is probably the most important here and the one you left out of
>> your information below).
>>
>> You'll see that because you have the route-cache entry for the FastEthernet
>> 1/0 interface in your CEF table, your route-map worked - the router found
>> that interface in the CEF table, can see the associated next hop (11.1.1.2)
>> and therefore knew where to forward the default route (to R2 only).
>>
>> Some other cool things to observe (that I've never noticed before) are the
>> "drop" entries - you'll notice that the router automatically has drop
>> entries for the Class E range and other miscellaneous entries. I find that
>> pretty interesting...
>>
>> Cheers,
>>
>> Jared Scrivener CCIE3 #16983 (R&S, Security, SP), CISSP
>> Sr. Technical Instructor - IPexpert, Inc.
>> Telephone: +1.810.326.1444
>> Fax: +1.810.454.0130
>> Mailto: jscrivener_at_ipexpert.com
>>
>>
>> -----Original Message-----
>> From: Divin Mathew John [mailto:divinjohn_at_gmail.com]
>> Sent: Wednesday, 6 May 2009 10:55 AM
>> To: Jared Scrivener
>> Cc: Anantha Subramanian Natarajan; Cisco certification
>> Subject: Re: set interface command under route-map
>>
>> I got it to work.. here's my config
>> R0
>> interface FastEthernet0/0
>> ip address 10.1.1.1 255.255.255.252
>> duplex auto
>> speed auto
>> !
>> interface FastEthernet1/0
>> ip address 11.1.1.1 255.255.255.252
>> duplex auto
>> speed auto
>> !
>> router rip
>> version 2
>> network 10.0.0.0
>> network 11.0.0.0
>> default-information originate route-map R0toR1DefaultRoute
>> no auto-summary
>> !
>> ip http server
>> ip forward-protocol nd
>> !
>> !
>> !
>> !
>> route-map R0toR1DefaultRoute permit 10
>> set interface FastEthernet1/0
>> !
>>
>> R1#sh ip route
>> Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
>> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
>> N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
>> E1 - OSPF external type 1, E2 - OSPF external type 2
>> i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
>> ia - IS-IS inter area, * - candidate default, U - per-user static
>> route
>> o - ODR, P - periodic downloaded static route
>>
>> Gateway of last resort is not set
>>
>> 10.0.0.0/30 is subnetted, 1 subnets
>> C 10.1.1.0 is directly connected, FastEthernet0/0
>> 11.0.0.0/30 is subnetted, 1 subnets
>> R 11.1.1.0 [120/1] via 10.1.1.1, 00:00:08, FastEthernet0/0
>>
>> R2#sh ip route
>> Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP
>> D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
>> N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
>> E1 - OSPF external type 1, E2 - OSPF external type 2
>> i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
>> ia - IS-IS inter area, * - candidate default, U - per-user static
>> route
>> o - ODR, P - periodic downloaded static route
>>
>> Gateway of last resort is 11.1.1.1 to network 0.0.0.0
>>
>> 10.0.0.0/30 is subnetted, 1 subnets
>> R 10.1.1.0 [120/1] via 11.1.1.1, 00:00:21, FastEthernet0/0
>> 11.0.0.0/30 is subnetted, 1 subnets
>> C 11.1.1.0 is directly connected, FastEthernet0/0
>> R* 0.0.0.0/0 [120/1] via 11.1.1.1, 00:00:21, FastEthernet0/0
>>
>> R1, R2 have Ripv2 running .! i was able to do it.! my cef table on R0
>>
>> R0#sh ip cef
>> Prefix Next Hop Interface
>> 0.0.0.0/0 drop Null0 (default route handler entry)
>> 0.0.0.0/8 drop
>> 0.0.0.0/32 receive
>> 10.1.1.0/30 attached FastEthernet0/0
>> 10.1.1.0/32 receive
>> 10.1.1.1/32 receive
>> 10.1.1.2/32 10.1.1.2 FastEthernet0/0
>> 10.1.1.3/32 receive
>> 11.1.1.0/30 attached FastEthernet1/0
>> 11.1.1.0/32 receive
>> 11.1.1.1/32 receive
>> 11.1.1.2/32 11.1.1.2 FastEthernet1/0
>> 11.1.1.3/32 receive
>> 127.0.0.0/8 drop
>> 224.0.0.0/4 drop
>> 224.0.0.0/24 receive
>> 240.0.0.0/4 drop
>> 255.255.255.255/32 receive
>>
>> i didnt tweak anything. the warning message did come.! but its working!
>> fine.!
>>
>> Thanking You
>>
>> Yours Sincerely
>>
>> Divin Mathew John
>> divinjohn_at_gmail.com
>> divin_at_dide3d.com
>> http://www.dide3d.com
>> +91 9945430983
>> +91 9846697191
>> +974 5008916
>> PGP PUBLIC KEY BLOCK @ http://www.dide3d.com/divin_Public_PGP_key.txt
>>
>>
>>
>> On Wed, May 6, 2009 at 10:37 PM, Jared Scrivener
>> <jscrivener_at_ipexpert.com> wrote:
>>> Hmmm... Well, based on your own description, do you have a route-cache
>>> entry?
>>>
>>> Think CEF... Find the show command (most start with "sh ip cef") and see
>> if
>>> the entry is there. Then test the configuration and see if it works (based
>>> on the route-cache entry you expect).
>>>
>>> Cheers,
>>>
>>> Jared Scrivener CCIE3 #16983 (R&S, Security, SP), CISSP
>>> Sr. Technical Instructor - IPexpert, Inc.
>>> Telephone: +1.810.326.1444
>>> Fax: +1.810.454.0130
>>> Mailto: jscrivener_at_ipexpert.com
>>>
>>>
>>> -----Original Message-----
>>> From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
>>> Anantha Subramanian Natarajan
>>> Sent: Wednesday, 6 May 2009 9:54 AM
>>> To: Cisco certification
>>> Subject: set interface command under route-map
>>>
>>> Hi All,
>>>
>>> I am trying to solve the below requirement and stumbled on understanding
>> a
>>> command,which I am trying to use to acheive this requirement.One of the
>> core
>>> labworkbook IE lab scenario as something similar requirement as below
>>>
>>> The router running rip2(R2) should only send a default-route to a
>> particular
>>> neighbor(r3) and not to other.The solution considered is to use
>>> default-information originate associated with a route-map under rip
>> process
>>> as beow
>>>
>>>
>>>
>>>
>>> R1-Serial Link--R2 --Ethernet link ---R3
>>>
>>> router rip
>>>
>>> default-information originate route-map test
>>>
>>> !
>>>
>>> route-map test permit 10
>>>
>>> set interface Ethernetx/x
>>>
>>>
>>>
>>> Is the above solution would solve the requirement.If so,when I was
>> referring
>>> a cisco DOC,it mentions a statement "The *set interface* command is
>>> supported only over a point-to-point link, unless a route-cache entry
>> exists
>>> using the same interface specified in the *set interface* command in the
>>> route map".Since I am trying to send the deafult route only towards the
>>> ethernet link(Which I am considering not as point-to-point),will this
>>> soltion still work ??..May be I am mis-understanding or not knowing the
>>> basic of point-to-point usage here ? ...Also couldn't under the verbage
>>> "unless a route-cache entry exists using the same interface specified in
>> the
>>> *set interface* command in the route map" ..........Kindly let me know
>> your
>>> suggestions/comment.
>>>
>>>
>>>
>>> Thanks
>>>
>>>
>>>
>>> Regards
>>>
>>> Anantha Subramanian Natarajan
>>>
>>>
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Received on Thu May 07 2009 - 00:17:52 ART