From: smaljure@xxxxxxxxxxxxxxxxx
Date: Wed Sep 06 2000 - 15:22:48 GMT-3
Hi All
I have the following topology
E0--R5--Bri0-----Bri0--R6--E0
I have snapshot routing working for IP RIP, IPX RIP, and AT RTMP (!!)
The routes stay in the routing table till the quiet time expires, in my case
15 minutes and the ISDN line stays down. Only if there is unicast traffic,
the line comes up.
Another interesting thing is that I set up a static SAP on R5 and observed
if the ISDN line comes up because of the periodic IPX SAP's. I had a very
broad dialer-list shown below and did not make an attempt to explicitly deny
IPX SAP's as interesting traffic.
dialer-list 1 protocol ip permit
dialer-list 1 protocol ipx permit
dialer-list 1 protocol appletalk permit
So both IPX RIP routes and the IPX SAP's are compliant with snapshot. The
IPX SAP table also is "frozen" on R6 till the quiet time expires.
So far so good.
Now what I want to do is enable snapshot only for AT RTMP (say). i.e. I do
not mind if IP RIP causes the line to come up every 30 seconds but I do not
want RTMP to cause dialing every 10 seconds. I know it sounds retarted but
just for the heck of it.
The issue is how do I bind the "dialer map snapshot..." command to a single
network layer protocol..
There is some confusion on this...
The IOS on the router gives the following help:
R5(config-if)#dialer map snapshot ?
N Protocol specific address
where as the IOS command summary (for the same version) gives the following
help:
dialer map snapshot sequence-number dial-string
no dialer map snapshot [sequence-number]
Syntax Description
sequence-number
A number in the range from 1 to 254, inclusive, that
uniquely identifies a dialer map.
dial-string
Telephone number of a remote snapshot server to be called
during an active period.
I had always thought that the "sequence-number" is the correct
interpretation. If so is there a way to do snapshot routing for only a
single network layer protocol??
Below is my config for R5 which is my snapshot client:
Thank you
interface BRI0
ip address 16.0.0.5 255.255.255.252
encapsulation ppp
appletalk cable-range 200-205 200.5
appletalk zone BRI
ipx network 200
isdn spid1 0835866101 8358661
isdn spid2 0835866301 8358663
no peer neighbor-route
dialer idle-timeout 30
dialer map snapshot 1 name R6 8358662
dialer map appletalk 200.6 name R6 broadcast 8358662
dialer map ipx 200.0006.0006.0006 name R6 broadcast 8358662
dialer map ip 16.0.0.6 name R6 broadcast 8358662
dialer-group 1
snapshot client 5 15 suppress-statechange-update dialer
ppp authentication chap
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