Juniper JUNOS OS 10.4 - PROTECTED SYSTEM DOMAIN Configuration Manual
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Brand: Juniper
Category: Other
Type: Configuration manual for Juniper JUNOS OS 10.4 - PROTECTED SYSTEM DOMAIN
Pages: 290
Download Juniper JUNOS OS 10.4 - PROTECTED SYSTEM DOMAIN Configuration manual
Traffic flow from the PSD to the RSD over a shared interface is as follows:
1. A packet destined for the shared PIC at the RSD is received on an interface at the PSD
and sent to the Packet Forwarding Engine on the PSD’s tunnel PIC. (The tunnel PIC
is configured to peer with the shared PIC at the RSD.)
2. The packet is sent out of the tunnel interface.
3. The tunnel PIC loops the packet back to the input side of its Packet Forwarding Engine
and the packet is sent over the switch fabric to the Packet Forwarding Engine on the
shared PIC at the RSD.
4. The packet is then sent out the shared interface.
Traffic flow from the RSD to the PSD is as follows:
1. The Packet Forwarding Engine on the shared PIC at the RSD determines on which
logical interface the packet arrived.
2. Based on the RSD configuration, the PSD that is associated with this logical interface
is known and the packet is sent over the switch fabric to the tunnel PIC at that PSD.
3. The packet is sent out the tunnel interface.
4. The tunnel PIC loops the packet back to the input side of its Packet Forwarding Engine
and the packet is then handled as if it had arrived on a directly-connected PIC.
Table 2 on page 7 lists the PICs that support shared interfaces:
Table 2: PICs Supporting Shared Interfaces
First Junos OS
ReleasePIC Model NumberPIC Name
Ethernet
9.4PC-1XGE-DWDM-CBAND1-port 10-Gigabit Ethernet DWDM
9.4PC-1XGE-XENPAK1-port 10-Gigabit XENPAK
9.6PD-4XGE-XFP4-port 10-Gigabit Ethernet LAN/WAN,
XFP
9.4PC-10GE-SFP10-port 1-Gigabit SFP
SONET/SDH
9.3PC-4OC48-SON-SFP4-port OC48 SONET, SFP
9.3PC-10C192-SON-SFP1-port OC192 SONET, XFP
9.3PD-4OC192-SON-XFP4-port OC192 SONET, XFP
9.3PD-1OC768-SON-SR1-port OC768 SONET, SR
7Copyright © 2010, Juniper Networks, Inc.
Chapter 1: JCS1200 Chassis and T Series Routers as a Single Platform