Re[2]: ******Last minute review******

From: Paul N. Kolesnikov (paul@xxxxxx)
Date: Sun Jan 06 2002 - 13:07:06 GMT-3


   
Hello CCIE,

Sunday, January 06, 2002, 1:29:39 AM, you wrote:

CS> "By default, Cisco routers bridge IPX traffic. To change this behavior, you

CS> must configure ipx routing on the router. IPX, using 802.2 encapsulation,
CS> uses SAP 0xE0 as the DSAP and SSAP. Therefore, if a Cisco router is bridgin
g
CS> IPX and the requirement is to permit only this type of traffic, use this
CS> ACL:

CS> access-list 200 permit 0xE0E0 0x0101"

CS> http://www.cisco.com/warp/public/698/acl200.html

CS> Is this a misprint? Should it be 0xE0E0 0x0000?? It doesn't mention whether

CS> or not E1 is a response. In the above paragraphs, it does mention that
CS> NetBIOS has response F1, and that SNA has response too.

CS> Thx

If you see in the PDF file at this link you'll find

 "...use this ACL:

access-list 200 permit 0xE0E0 0x0000

On the other hand, the following ACL blocks IPX and allows the rest of the traf
fic:

access-list 200 deny 0xE0E0 0x0000
access-list 200 permit 0x0000 0xFFFF"

 with other wilcards as in the HTML ;-)

----
Best regards,

Paul N. Kolesnikov Etel Inc., Ryazan Tel. (+7) (0912) 21 5621 Fax (+7) (0912) 21 5767 mailto:paul@etr.ru http://www.ryazan.net



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