Interface Naming
The following table shows the interface naming of the Cisco ASR-920-12CZ-A/ASR-920-12CZ-D ports:
10G
SFP+/1G
SFP
1
1G Combo Port1G SFP
Only
13119751197531
12108641086420
1
Ports 12 and 13 when operating in 1G Mode will become operationally up only when the peer connecting interfaces are in Auto negotiation mode.
• Interfaces 0–3 are GigabitEthernet SFP only ports.
• Interfaces 4–11 GigabitEthernet are combo ports that support dual media—Copper and SFP. For more
information, see the Configuring Auto Media Sense on Cisco ASR 920 Series Routers .
• Interfaces 0 through 11 are referred to as GigabitEthernet 0/0/0–GigabitEthernet 0/0/11 respectively
•
Interfaces 12 and 13 are dual rate ports. These ports support 1G or 10G mode depending on the optics
(SFP or SFP+ respectively) installed in these ports.
Dual-Rate functionality is supported only with the Supported SFPs, listed in the Cisco ASR 920 Series
Aggregation Services Router Hardware Installation Guide .
Note
• Interfaces 12 and 13 are TenGigibitEthernet 0/0/12–TenGigabitEthernet 0/0/13. The interface name
remains unchanged even if an SFP is installed in the port and the port is operating in 1G mode.
•
Out of Band Management Network port is refereed as interface Gig0.
The following table shows the interface naming of the Cisco ASR920-4SZ-A/ASR920-4SZ-D ports:
10G SFP+/1GSFP
2
1G Cu Port
531
420
2
Ports 2, 3, 4, and 5 when operating in 1G Mode will become operationally up only when the peer connecting interfaces are in Auto negotiation mode.
• Interfaces 0–1 are Copper only ports with RJ45 connector.
• Interfaces 0 and 1are referred to as GigabitEthernet 0/0/0–GigabitEthernet 0/0/1 respectively.
•
Interfaces 2 through 5 are dual rate ports. These ports support 1G or 10G mode depending on the optics
(SFP or SFP+ respectively) installed in these ports.
Cisco ASR 920 Series Aggregation Services Router Configuration Guide
4
Getting Started With the Cisco ASR 920 Series Router
Interface Naming
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