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JunosE 11.3.x IP Services Configuration Guide
Module Requirements
254
See ERX Module Guide, Appendix A, Module Protocol Support for information about the
modules that support IP tunnels.
For information about modules that support IP tunnels on the E120 and E320 Broadband
Services Routers:
See E120 and E320 Module Guide, Table 1, Modules and IOAs for detailed module
specifications.
See E120 and E320 Module Guide, Appendix A, IOA Protocol Support for information
about the modules that support IP tunnels.
The supported modules for creating IP tunnels depends on the type of E Series router
that you have.
ERX7xx Models, ERX14xx Models, and the ERX310 Router
To create dynamic IP tunnels on an ERX7xx model, ERX14xx model, or an ERX310 router,
you must install a Service line module (SM) or a module that supports the use of shared
tunnel-server ports. For information about installing modules in the ERX routers, see the
ERX Hardware Guide.
SMs provide dedicated tunnel-server ports that are always configured on the module.
Unlike other line modules, SMs do not pair with corresponding I/O modules that contain
ingress and egress ports. Instead, they receive data from and transmit data to other line
modules with access to ingress and egress ports on their own associated I/O modules.
However, you must assign interfaces on other line modules or loopback interfaces to act
as source endpoints for the tunnel.
You can also create IP tunnels on router modules that support shared tunnel-server
ports. You can configure (provision) a shared tunnel-server port to use a portion of the
module's bandwidth to provide tunnel services. For a list of the modules that support
shared tunnel-server ports, see the ERX Module Guide.
To configure IPSec transport mode in the GRE or DVMRP destination profile, you must
install an IPSec Service Module (ISM).
For information about configuring tunnel services on dedicated and shared tunnel-server
ports, see Managing Tunnel Service and IPSec Service Interfaces in JunosE Physical Layer
Configuration Guide.
All line modules forward traffic to IP tunnels. For information about which line modules
accept traffic for IP tunnels, see the ERX Module Guide.
E120 Router and E320 Router
To create dynamic IP tunnels on an E120 router or an E320 router, you must install an
ES2 4G line module or an ES2 10G ADV line module (LM) with an ES2-S1 Service I/O
adapter (IOA), or an IOA that supports the use of shared tunnel-server ports. For
information about installing modules in these routers, see the E120 and E320 Hardware
Guide.
Copyright © 2010, Juniper Networks, Inc.
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