From: dusth@comcast.net
Date: Sun Oct 09 2005 - 17:52:37 GMT-3
Hi Luis,
Yes, you are right rip v1 is not in the test anymore. I'm just throwing quesiton out incase we may get something ugly. How do you advertise a summary address out to your RIP neighbor if neither using ip summary-address rip in the interface nor auto-summary in the router mode?
Dustin
-------------- Original message --------------
> Dustin,
>
> I'm not sure is you issue the send version 1 what would the results be, but
> as I recall from a forum at NetPro regarding the R&S Lab, RIPv1 is not
> tested in the exam anymore.....
>
> Luis
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> dusth@comcast.net
> Sent: Sunday, October 09, 2005 2:10 PM
> To: Luis Rueda; 'Pierre-Alex'; ccielab@groupstudy.com
> Subject: RE: Split-Horizon and summary rule ripv2
>
> So if you use rip ver 2 with no-autosummary configure and under the f0/0
> interface issue the "ip rip send send ver 1" something like this with out
> using interface command "ip summary-address rip", would it advertise summary
> or classfull network out the the peer if the peer has both ver 1 and ver 2
> capability?
>
> Dustinr
>
> -------------- Original message --------------
>
> > You mean this example ?
> >
> > Route Summarization Examples
> > A correct and an incorrect configuration example of route
> > summarization are provided.
> >
> > Example 1: Correct Configuration
> > The following example shows how the ip summary-address rip router
> > configuration command works with automatic summary addressing in RIP,
> > starting in global configuration mode. In the example, the major
> > network is 10.0.0.0. The summary address 10.2.0.0 overrides the
> > automatic summary address of 10.0.0.0, so that 10.2.0.0 is advertised
> > out Ethernet interface 1 and 10.0.0.0 is not advertised.
> >
> >
> > ----------------------------------------------------------------------
> > ------
> > ----
> > Note If split horizon is enabled, neither automatic summary nor
> > interface summary addresses (those configured with the ip
> > summary-address rip router configuration command) are advertised.
> >
> > ----------------------------------------------------------------------
> > ------
> > ----
> >
> > Router(config)# router rip
> > Router(config-router)# network 10.0.0.0 Router(config-router)# exit
> > Router(config)# interface ethernet1 Router(config-if)# ip address
> > 10.1.1.1 255.255.255.0 Router(config-if)# ip summary-address rip
> > 10.2.0.0 255.255.0.0 Router(config-if)# no ip split-horizon
> > Router(config-if)# exit
> >
> > Be aware that they are ussing RIPv1 and they are not disabling
> > auto-summarization. Try it like the example.
> >
> > Luis
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> > Of Pierre-Alex
> > Sent: Sunday, October 09, 2005 8:40 AM
> > To: ccielab@groupstudy.com
> > Subject: Split-Horizon and summary rule ripv2
> >
> > Has anyone checked the statement on Cisco doc that says " if split
> > horizon is enabled, neither an automatic summary address nor the
> > interface summary address is advertised.
> >
> > http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_config
> > uratio
> > n
> > _guide_chapter09186a00800ca760.html
> >
> >
> > I am finding otherwise:
> >
> > -----------------------------------------------
> >
> > !
> > interface Loopback1
> > ip address 10.10.1.1 255.255.255.0
> > !
> > interface Loopback2
> > ip address 10.10.2.1 255.255.255.0
> > !
> > interface Loopback3
> > ip address 10.10.3.1 255.255.255.0
> > !
> > interface Loopback4
> > ip address 10.10.4.1 255.255.255.0
> >
> >
> > interface Ethernet2/0
> > ip address 10.126.23.1 255.255.255.0
> > ip summary-address rip 10.10.0.0 255.255.252.0 half-duplex end
> >
> >
> >
> > Mar 13 22:12:52.543: RIP: build flash update entries
> > *Mar 13 22:12:52.543: 10.126.2.0/29 via 0.0.0.0, metric 2, tag 0
> > *Mar 13 22:12:52.979: RIP: sending v2 update to 224.0.0.9 via Ethernet2/0
> > (10.126.23.1)
> > *Mar 13 22:12:52.979: RIP: build update entries
> > *Mar 13 22:12:52.979: 10.10.0.0/22 via 0.0.0.0, metric 1, tag 0
> > *Mar 13 22:12:52.979: 10.10.4.0/24 via 0.0.0.0, metric 1, tag 0
> > *Mar 13 22:12:52.979: 10.126.1.0/29 via 0.0.0.0, metric 1, tag 0
> > *Mar 13 22:12:52.979: 10.126.2.0/29 via 0.0.0.0, metric 2, tag 0
> > *Mar 13 22:12:57.823: RIP: sending v2 update to 224.0.0.9 via Ethernet2/0
> > (10.126.23.1)
> > *Mar 13 22:12:57.823: RIP: build update entries
> > *Mar 13 22:12:57.823: 10.10.0.0/22 via 0.0.0.0, metric 1, tag 0
> > *Mar 13 22:12:57.823: 10.10.4.0/24 via 0.0.0.0, metric 1, tag 0
> > *Mar 13 22:12:57.823: 10.126.1.0/29 via 0.0.0.0, metric 1, tag 0
> > *Mar 13 22:12:57.823: 10.126.2.0/29 via 0.0.0.0, metric 2, tag 0
> >
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