Interface Configuration Guide 7705 SAR Interfaces
Edition: 01 3HE 11011 AAAC TQZZA 63
3.1.3.12.3 Network Ports
Network uplinks can be configured as standalone PPP ports, or MLPPP can be
configured on T1/E1 ports or channels. All member links of an MLPPP group must
be of the same type (either E1 or Ds1).
The following cards, modules, and platforms support multilink bundles:
• 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
The following must have all member links of an MLPPP bundle configured on
the same card or module:
− 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)
The following must have all member links of an MLPPP bundle configured on
the same card or module, and on the same port:
− 2-port OC3/STM1 Channelized Adapter card
− 4-port OC3/STM1 / 1-port OC12/STM4 Adapter card
Ethernet ports on the 8-port Ethernet Adapter card, 8-port Gigabit Ethernet Adapter
card, 6-port Ethernet 10Gbps Adapter card, 10-port 1GigE/1-port 10GigE X-Adapter
card, and Packet Microwave Adapter card can be configured for network mode.
Ethernet uplinks can be used as a cost-effective alternative to T1/E1 links.
On the 2-port 10GigE (Ethernet) Adapter card and 2-port 10GigE (Ethernet) module,
the Ethernet ports and the v-port can be configured for network mode only.
A microwave link from a Packet Microwave Adapter card port in network mode
provides a network uplink to an MPR-e radio. The 7705 SAR-8 or 7705 SAR-18
treats the microwave link as a Gigabit Ethernet network link with MPLS always
running over it. All standard MPLS/IP functions available on a network port or SDP
are also available on the microwave link.
For network uplinks on the 4-port OC3/STM1 Clear Channel Adapter card and 4-port
OC3/STM1 / 1-port OC12/STM4 Adapter card, a clear channel port can be
configured for POS to connect to the packet network. PPP can be enabled on a port
by setting the encapsulation type to ppp-auto.
On the 4-port DS3/E3 Adapter card, a DS3/E3 clear channel port can be configured
for PPP as the network uplink. The encapsulation type must be set to ppp-auto.
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