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Novell encapsulation types
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Odin35
Junior Member
F
Registered: May 2001
Location: Columbus OH
Country: United States
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Working on: CCNA, MCSE
Total Posts: 8
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 Novell encapsulation types
I had previously put this question in the wrong forum...
Question for the braintrust. I am reading thru Lammle's book (for about the 6th time) and a thought just struck me--If you have nodes on either side of a router configured with different Novell encap's, does that mean that every packet that comes into the router goes out in EVERY Novell encap configured on the outbound interface? If I'm off base on this let me know. Seems incredibly inefficient (thus the recommendation to use 1 frame type, huh). I hope this question is clear enough. Thanks people.
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 01-20-02 05:52 PM
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zaza230
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Registered: Apr 2001
Location: france
Country: france
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Certifications: CCNA
Working on: CCNP
Total Posts: 64
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the router based on the network address to kwon what kind of encapsulation to use.
exemple : ipx network 10 encapsulation sap or ipx network 10A encapsulation novell ether. the router must know the network adress before . ok !! is it clear or not ?
just tell me, if you need more explanation
__________________
jean philippe ( France )
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01-21-02 11:14 AM
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UKCCNA
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Registered: Jan 2002
Location: Milton Keynes
Country: United Kingdom
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Certifications: BSc (Hons) Information Systems with Management
Working on: CCNA, CCDA
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OK, just so I make sure I'm on the ball with this one! If I remember rightly there are two ways in which you can add multiple encapsulations to an interface:
* Sub-interfaces
* Or a secondary interface
(With no functional difference between the two)
Therefore as zaza230 stated you would assign a seperate network number/ encapsulation to each of the sub/secondary interfaces.
The packet will only ever be sent out from one interface and hence in a single encapsulation type.
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01-21-02 01:05 PM
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MadChef
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Registered: Sep 2000
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quote:
Originally posted by UKCCNA
The packet will only ever be sent out from one interface and hence in a single encapsulation type.
Unless you provide a secondary encapsulation type:
int e0
ipx network 10a
ipx network 10b encap sap secondary
Packets destined for network 10a use novell-ether encapsulation. Packets destined for network 10b use sap encapsulation. This might have been what you meant by "secondary interface" but that was not clear. There's still only a single encapsulation per network type, but you can put them both on a single interface without using sub interfaces.
MadChef
MadChef
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01-22-02 10:20 AM
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