[j-nsp] SONET APS warning?

[Yu-lin Chang]

Hi Steve,

There is no paticular reason to use a /32 address on the interface.
Just because we use /32 before on a Cisco box. I try to use a /30 
block on the interface, the same warning appears again.

The addresses are different on unit 0 and unit 1. I use the Frame-Relay
encapasulation on the SONET link, because DLCI can help me to have 
two "virtual circuits" on one link.

The SONET interface is not channelized. The parts number of the 
PIC is "750-003034" on R1 and "750-002781" on R2. They are both
4-port STM-1 SMIR PIC. JUNOS on R1 is 6.0R1.3, and on R2 is 5.4R2.4

Thank you again.


Regards,
Yu-lin

----- Original Message ----- 
From: "Steve Holman" <sholman at juniper.net>
To: "Yu-lin Chang" <ylchang at ascc.net>; <juniper-nsp at puck.nether.net>
Cc: <juniper at groupstudy.com>
Sent: Sunday, September 28, 2003 10:39 AM
Subject: RE: [j-nsp] SONET APS warning?


Hi Yu-lin,

Please see in line:

Any particular reason you're using a /32 on the PtoP interfaces?  Just
curious.
Also, are you using channelized SONET interfaces?  Just curious.  I see
you have two logical interfaces on the same SONET interface.
Are the addresses the same on so-1/1/2 unit 0 and so-1/1/2 unit 1?  It
appears as though these two logical interfaces may have the same
address.

> Second, when I unplug the fiber on so-1/1/1 (the working-circuit), 
> the protection-circuit does take over and the traffic been switched
> to protection circuit. BUT, the ospf session between R1 and 
> remote router
> (the R2) always been reset. (a ospf up/down message is logged 
> in the log file)
> 
> Are those two behaviors normal? ("identical local address 
> warning" and "OSPF reset")

The router views each interface as a separate routing interfaces and
therefore warns you whenever two interfaces have the same address.  This
is normal behavior.

The OSPF reset is normal.  What version of JUNOS are you using?  Some
enhancements have been made to the most recent version of JUNOS to
significantly enhance the speed at which recovery takes place.

HTH,
Steve