From: Mannan Venkatesan (venkat_m@xxxxxxx)
Date: Tue Jun 05 2001 - 23:16:37 GMT-3
Nope. What happens is when you use summary address, it creates null0 route
which again is being redistributed back to OSPF as external route and it
appears on all ospf routers. You can't filter this on the redistribution
router. The solution is either filter it on each ospf router or use
'not-advertise' command.
Note that in some older IOS version 'not-advertise option wouldn't work as I
specified above.
If you search archives, you can find a thread on this.
HTHs,
Mannan
----- Original Message -----
From: Padhu (LFG)
To: 'Mannan Venkatesan'
Sent: Tuesday, June 05, 2001 11:13 AM
Subject: RE: /22 summary to /24 flsm
Thanks for the config.
router ospf 10
summary-address 147.1.20.0 255.255.255.0 not-advertise
summary-address 147.1.1.0 255.255.255.0 not-advertise
Isn't the not-advertise meant for filtering type 7 lsa when used with
summary-address ?
-----Original Message-----
From: Mannan Venkatesan [mailto:venkat_m@ins.com]
Sent: Monday, June 04, 2001 10:46 PM
To: Arthayuth.B@Datacraft-Asia.com; Padhu (LFG); Michael Herald; David
Anderson
Subject: RE: /22 summary to /24 flsm
Here you go,
---r1--------r2--------r3-------r4
I /24 I/O /22 O /21
HTHs,
Mannan Venkatesan
CCNP, CCDP
Network Systems Engineer
Lucent Worldwide Services - Enhanced Services
King Of Prussia
Pager: 888-663-3853
Email : mannan.venkatesan@ins.com
Epage : page_mannan_venkatesan@ins.com
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without any goals in life, I'm dead already."
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