Avaya Upgrading Routers from Version 5 to Version 10.0 Manual de usuario descargar pdf (Pagina 77)

Interoperability

B-5

The Version 5 synchronous circuit BOFL timer has a default value different from

the Version 7–9.xx BOFL default value. Version 5 routers use a synchronous

circuit BOFL default value of 10. Version 7–9.xx routers have a synchronous

circuit BOFL default value of 5, but you can change it to match the BOFL value of

the Version 5 router at the opposite end of the synchronous line.

PPP Version 10.0 Compatibility with Previous Versions

A router running the Bay Networks Version 10.0 PPP implementation

communicates with a router running Version 9.0x using the Link Control Protocol

(LCP) on each line, just as if both routers were running Version 9.0x. In this case,

the routers use either random or address-based load-balancing algorithms. A

multilink circuit using PPP cannot communicate with a router running a version

earlier than 9.00 because versions earlier than 9.00 use a multiline circuit in which

LCP is run on only one line.

PPP Software Incompatibilities

If you need to conﬁgure PPP to run over a point-to-point connection between a

Version 5 and a Version 8.xx–10.0 router, you need to read this section.

Version 5.x router software uses a Bay Networks proprietary implementation of

PPP. Version 7–10.0 routers support a new implementation of PPP. The new

implementation complies with the established requirements of Internet RFCs

1331, 1333, 1548, and 1661. Version 10.0 routers also support the multilink

feature, described in RFC 1717.

With the different implementations of PPP, each adhering to a different set of

RFCs, the following functions will not work between a Version 5.x and a

Version 9.xx or 10.0 router:

• Link Quality Monitoring (LQM)

• Source-routing over Token Ring networks

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Avaya Upgrading Routers from Version 5 to Version 10.0 Manual de usuario Pagina 77