7705 SAR Interfaces
56
Interface Configuration Guide
3HE 11011 AAAC TQZZA Edition: 01
On the Ethernet cards, the Packet Microwave Adapter card, the 2-port 10GigE
(Ethernet) Adapter card, and 2-port 10GigE (Ethernet) module, the
encapsulation type can be set as null or dot1q.
The encapsulation type must be ppp-auto for PPP/MLPPP bundles on the
following:
− T1/E1 ports on the 7705 SAR-A (variants with T1/E1 ports)
− T1/E1 ports on the 7705 SAR-M (variants with T1/E1 ports)
− T1/E1 ports on the 7705 SAR-X
− 16-port T1/E1 ASAP Adapter card
− 32-port T1/E1 ASAP Adapter card
− 2-port OC3/STM1 Channelized Adapter card
− 4-port OC3/STM1 / 1-port OC12/STM4 Adapter card
− T1/E1 ports on the 4-port T1/E1 and RS-232 Combination module (on
7705 SAR-H)
Network PPP (encapsulation type ppp-auto) can be configured to use some with
fractional ppp or all the timeslots on T1/E1 ports on the following cards:
− T1/E1 ports on the 7705 SAR-A (variants with T1/E1 ports)
− T1/E1 ports on the 7705 SAR-M (variants with T1/E1 ports)
− T1/E1 ports on the 7705 SAR-X
− 16-port T1/E1 ASAP Adapter card
− 32-port T1/E1 ASAP Adapter card
− T1/E1 ports on the 4-port T1/E1 and RS-232 Combination module (on
7705 SAR-H)
On the 4-port OC3/STM1 Clear Channel Adapter card, 4-port OC3/STM1 /
1-port OC12/STM4 Adapter card, and 4-port DS3/E3 Adapter card, the
encapsulation type must be ppp-auto. Fractional PPP is not supported on these
cards; all timeslots of the DS1 will be used.
• hybrid ports — configured for access (customer-facing) and network-facing
traffic. Hybrid ports can support access and network modes simultaneously over
different VLANs. Within the span of a port, some of the VLANs can be in access
mode and associated with SAPs for various services, while other VLANs can be
in network mode and support any of the network-side operations, including label
switching, IP forwarding (GRT IP routing), GRE SDPs, and so on.
Note: QinQ encapsulation is not supported on a port in network mode.
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