From: Bob Chahal (bob.chahal@xxxxxxxxxxxx)
Date: Mon Aug 20 2001 - 05:54:15 GMT-3
Chuck, thanks for the reminder. I keep forgetting about this.
Daniel, in a lab scenario you are very likely to be asked to configure an
IPX network on a loopback.
Thanks for the replies.
Bob
----- Original Message -----
From: "Daniel C. Young" <danyoung99@mediaone.net>
To: "'Chuck Church'" <cchurch@MAGNACOM.com>; "'Bob Chahal'"
<bob.chahal@ntlworld.com>; <ccielab@groupstudy.com>
Sent: Monday, August 20, 2001 5:26 AM
Subject: RE: ipx routing 1111.1111.1111
> Also Bob,
>
> With IPX, you don't need to worry about putting networks on loopbacks.
Think
> about it, IPX is a desktop protocol for connecting LANs. I've never had a
> problem with using the 'ipx routing 1.1.1' convention.
>
> Regards,
> Daniel
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Chuck Church
> Sent: Sunday, 19 August 2001 4:01 PM
> To: 'Bob Chahal'; 'ccielab@groupstudy.com'
> Subject: RE: ipx routing 1111.1111.1111
>
>
> Bob,
>
> You're defining a multicast address. This is from
> http://www.cisco.com/warp/customer/473/85.shtml#multicast :
>
> Note: Recall that the least significant bit of the most significant octet
of
> an Ethernet or FDDI MAC address is the "group bit." If the bit is set (1),
> the MAC address is a
> multicast (or broadcast). If the bit is not set (0), the MAC address is a
> unicast. The MAC address 0900.3333.4444 has the group bit set, and is
> therefore a multicast
> MAC (09 hex = 00001001; the last bit, the group bit, is set).
>
> Chuck
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Bob Chahal
> Sent: Sunday, August 19, 2001 5:16 PM
> To: ccielab@groupstudy.com
> Subject: ipx routing 1111.1111.1111
>
>
> When I configure a router with
>
> ipx routing 1111.1111.1111
>
> and then configure a loopback
>
> int lo0
> ipx netw 10
>
> if I do a show ipx int lo0 the ipx address is 10.1111.1111.1111
>
> if I then ping this address from the same router (i.e the router on which
> this is configured) my pings timeout.
>
> If I do not configure an address with the ipx routing command the ipx add
of
> the lo0
> uses tha mac address of the ethernet interface on the router and when I
now
> ping the lo0 it works
>
> p 10.0010.7bfe.6cc1
> Translating "10.0010.7bfe.6cc1"
>
> Type escape sequence to abort.
> Sending 5, 100-byte IPX cisco Echoes to 10.0010.7bfe.6cc1, timeout is 2
> seconds:
>
> !!!!!
> Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms
>
>
> Can anyone explain why this happens. I was thinking of configuring my ipx
> routers like the first method above as it makes configuring frame-relay
> maps easier to configure and troubleshoot but the side-effect is what I
just
> described.
>
> Thanks
>
> Bob
> **Please read:http://www.groupstudy.com/list/posting.html
> **Please read:http://www.groupstudy.com/list/posting.html
> **Please read:http://www.groupstudy.com/list/posting.html
**Please read:http://www.groupstudy.com/list/posting.html
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:31:54 GMT-3