---
manufacturer: Cisco
model: ASR-9901
slug: cisco-asr-9901
part_number: ASR-9901
u_height: 2
is_full_depth: true
subdevice_role: parent
weight: 25.4
weight_unit: kg
comments: '[Cisco ASR 9901 Router Data Sheet](https://www.cisco.com/c/en/us/products/collateral/routers/asr-9000-series-aggregation-services-routers/datasheet-c78-740540.html)'
console-ports:
  - name: con 0
    type: rj-45
module-bays:
  - name: 0/PT0-PM0
    position: 0/PT0-PM0
    description: Power module
  - name: 0/PT0-PM1
    position: 0/PT0-PM1
    description: Power module
  - name: 0/FT0
    position: 0/FT0
    description: Fan Tray
  - name: 0/FT1
    position: 0/FT1
    description: Fan Tray
  - name: 0/FT2
    position: 0/FT2
    description: Fan Tray
interfaces:
  - name: MgmtEth0/RSP0/CPU0/0
    type: 1000base-t
  - name: GigabitEthernet0/0/0/1
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/2
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/3
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/4
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/5
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/6
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/7
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/34
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/35
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/36
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/37
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/38
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/39
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/40
    type: 1000base-x-sfp
  - name: GigabitEthernet0/0/0/41
    type: 1000base-x-sfp
  - name: HundredGigE0/0/0/20
    type: 100gbase-x-qsfp28
  - name: HundredGigE0/0/0/21
    type: 100gbase-x-qsfp28
  - name: TenGigE0/0/0/8
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/9
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/10
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/11
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/12
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/13
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/14
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/15
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/16
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/17
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/18
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/19
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/22
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/23
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/24
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/25
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/26
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/27
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/28
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/29
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/30
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/31
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/32
    type: 10gbase-x-sfpp
  - name: TenGigE0/0/0/33
    type: 10gbase-x-sfpp