It would help if you quoted msg's in your responses btw :) The ISP essentials book does not indicate that the interfaces would be pingable, simply that ISP's can generally tolerate the LAN side of a customer prem router changing state without an alarm being triggered due to the in between serial interfaces loss of ip reachability.
At 04:26 PM 7/21/2002 +0000, Peter van Oene wrote: >These statements do not seem to conflict. > >At 03:25 PM 7/21/2002 +0000, you wrote: > >Priscilla, > > > > Do you remember the discussion about IP unnumbered ? Sure you do. You >wrote > >"Now, network management is a concern, however. If your serial interface is > >unnumbered, you can't ping it or send it SNMP messages. With those > >functions, the serial port acts as an end host and must have a network-layer > >address. That's the tradeoff". > > > >I have found in Cisco ISP essentials book, the following: "Many ISPs use > >monitoring systems that use ping to check the status of the leased line. > >Even if the customer unplugs the LAN, an alarm will not be raised on the > >ISPs management system. This is because the customer router still knows > >that the LAN IP address is configured on the system and is "useable" ". > >(page 46) > > > >Regards. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=49365&t=49347 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]

