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Observed interfaces on various Fritz!Box models and configurations

Introduction

The below table has keys, descriptions and Fritz!Box configurations I've observed them on.

This makes it easier to estimate what interface you want to specify with --cap_interface.

The table has been assembled by observing various --show_interfaces outputs.

Some routers (notably at the one I got from GH 6490 show the interfaces starting with 1:- twice with --show_interfaces; same for 3001 = Minor = 3001 [':docsis_mng'] . Not why that is yet.

Newer firmwares gain more and more interfaces, but usually just 2-1 and 1-lan are the first ones to try for capturing VoIP calls.

Summary

Key English Deutsch 7360 124 7490 124 7490 171 7490 178 7390 65 GitHub 0 GitHub 1 GH 6490 Freifunk
1-:acc0 :acc0 :acc0 X
1-:acc0.4 :acc0.4 :acc0.4 X
1-:l2sd0 :l2sd0 :l2sd0 X
1-:l2sd0.2 :l2sd0.2 :l2sd0.0 X
1-:l2sd0.3 :l2sd0.3 :l2sd0.3 X
1-:l2sm0 :l2sm0 :l2sm0 X
1-:lan0 :lan0 :lan0 X
1-acc0 acc0 acc0 X
1-acc0.4 acc0.4 acc0.4 X
1-adsl adsl adsl X X
1-ath0 ath0 ath0 X X X X X X X X X
1-ath1 ath1 ath1 X X X X X X
1-bat0 bat0 bat0 X X
1-dsl dsl dsl X
1-eth0 eth0 eth0 X X X X X X X X X
1-eth1 eth1 eth1 X X X X X X X
1-eth2 eth2 eth2 X X X X X X X
1-eth3 eth3 eth3 X X X X X X X X X
1-eth_udma0 eth_udma0 eth_udma0 X
1-eth_udma1 eth_udma1 eth_udma1 X
1-guest guest guest X X X X X X X X
1-guest4 guest4 guest4 X X X X
1-guest5 guest5 guest5 X X X X
1-guest_ct1 guest_ct1 guest_ct1 X X
1-guest_st1 guest_st1 guest_st1 X
1-guest_st2 guest_st2 guest_st2 X
1-guest_st3 guest_st3 guest_st3 X
1-hotspot hotspot hotspot X
1-ifb0 ifb0 ifb0 X
1-ifb1 ifb1 ifb1 X
1-ing0 ing0 ing0 X X
1-lan lan lan X X X X X X X X
1-lo lo lo X X
1-ppptty ppptty ppptty X
1-ptm_vr9 ptm_vr9 ptm_vr9 X X X X X
1-sit0 sit0 sit0 X X
1-tunl0 tunl0 tunl0 X X X X X X
1-vlan_master0 vlan_master0 vlan_master0 X
1-wan wan wan X
1-wasp wasp wasp X X X X X
1-wdsup1 wdsup1 wdsup1 X
1-wifi0 wifi0 wifi0 X X X X X X X X X
1-wifi1 wifi1 wifi1 X X X X X X X
1-wlan wlan wlan X X X X
1-wlan_guest wlan_guest wlan_guest X X
1-wlan_hotspot wlan_hotspot wlan_hotspot X
1-wlan_wan wlan_wan wlan_wan X
2-1 1. Internet connection 1. Internetverbindung X X X X X X X
2-2 2. Internet connection 2. Internetverbindung X
2-3 3. Internet connection 3. Internetverbindung X
3-0 Routing interface Routing-Schnittstelle X X X X X X
3-17 Interface 0 ('internet') Schnittstelle 0 ('internet') X X X X X X
3-18 Interface 1 ('iptv') Schnittstelle 1 ('iptv') X X X X
3001 Minor = 3001 [':docsis_mng'] Minor = 3001 [':docsis_mng'] X
4-128 WLAN Management Traffic - Interface 0 WLAN Management Traffic - Schnittstelle 0 X X X X X X
4-129 HW (2.4 GHz, wifi0) - Interface 0 HW (2.4 GHz, wifi0) - Schnittstelle 0 X X X X X X
4-130 HW2 (2.4 GHz, wifi1) - Interface 0 HW2 (2.4 GHz, wifi1) - Schnittstelle 0 X X
4-131 AP (2.4 GHz, ath0) - Interface 0 AP (2.4 GHz, ath0) - Schnittstelle 0 X X X X X X
4-132 AP (2.4 GHz, ath0) - Interface 1 AP (2.4 GHz, ath0) - Schnittstelle 1 X X X X X X
4-137 AP2 (2.4 + 5 GHz, ath1) - Interface 0 AP2 (2.4 + 5 GHz, ath1) - Schnittstelle 0 X X X X
4-138 AP2 (2.4 + 5 GHz, ath1) - Interface 1 AP2 (2.4 + 5 GHz, ath1) - Schnittstelle 1 X X X X X
4-141 Guest (2.4 GHz, guest4) - Interface 0 Guest (2.4 GHz, guest4) - Schnittstelle 0 X X X X
4-142 Guest (2.4 GHz, guest4) - Interface 1 Guest (2.4 GHz, guest4) - Schnittstelle 1 X X X X
4-143 Guest2 (2.4 + 5 GHz, guest5) - Interface 0 Guest2 (2.4 + 5 GHz, guest5) - Schnittstelle 0 X X X
4-144 Guest2 (2.4 + 5 GHz, guest5) - Interface 1 Guest2 (2.4 + 5 GHz, guest5) - Schnittstelle 1 X X X X
5-201 usb1 usb1 X
5-202 usb2 usb2 X
5-161 usb1 usb1 X X X X X X
5-162 usb2 usb2 X X X X X X
5-163 usb3 usb3 X

Observed devices

Key Description
7360 124 Fritz!Box 7360 manually setup: switch on LAN also doing VoIP
7490 124 Fritz!Box 7490 manually setup: router on fiber network
7490 171 Fritz!Box 7490 manually setup: router on fiber network also doing VoIP
7490 178 Fritz!Box 7490 xs4all default configuration: router on fiber network also doing VoIP
GitHub 0 https://github.com/rogerGunis/captureAvmFritzboxStream/blob/master/capture.sh
GitHub 1 https://github.com/bittorf/kalua/blob/master/TODO.txt
GH 6490 #30 (comment) (Fritz!Box 6490 Cable running FRITZ!OS: 07.02)
Freifunk https://forum.freifunk.net/t/anforderung-fuer-mesh-ap-hinter-offloader/14736/27#post_27

Notes/explanation on some of these interfaces I've found or deducted. ??? or empty means I still need more information

There is more at https://boxmatrix.info/wiki/Network-Interfaces and https://boxmatrix.info/wiki/Network-Bridges

Key Explanation Notes
1-:acc0 ??? acc0, acc0 and acc0
1-:acc0.4 ??? acc0.4
1-:l2sd0 ??? l2sd0
1-:l2sd0.2 ??? l2sd0.2
1-:l2sd0.3 ??? l2sd0.3
1-:l2sm0 ??? l2sm0
1-:lan0 ??? lan0
1-acc0 ??? acc0, acc0 and acc0
1-acc0.4 ??? acc0.4
1-adsl ??? ADSL adsl
1-ath0 WLAN0: First physical Atheros WLAN controller ath0 The interface of the first Atheros WLAN chip.
1-ath1 WLAN1: Second physical Atheros WLAN controller ath1 The interface of the second Atheros WLAN chip.
1-bat0 ??? bat0
1-dsl ??? ADSL dsl The interface of the PPP connection to the ISP.
1-eth0 LAN1: First physical Ethernet controller eth0 The physical LAN1 port or the integrated Network-Switch.
1-eth1 LAN2: First physical Ethernet controller eth1 The physical LAN2 port.
1-eth2 LAN3: Third physical Ethernet controller eth2 The physical LAN3 port.
1-eth3 LAN4: Fourth physical Ethernet controller eth3 The physical LAN4 port.
1-eth_udma0 ??? eth_udma0
1-eth_udma1 ??? eth_udma1
1-guest ??? LAN bridge for guest access guest The LAN bridge for the Guest-Network.
1-guest4 ??? guest4
1-guest5 ??? guest5
1-guest_ct1 l2tp client tunnel guest_ct1
1-guest_st1 l2tp LAN2LAN server tunnel guest_st1
1-guest_st2 ??? guest_st2
1-guest_st3 ??? guest_st3
1-hotspot ??? hotspot
1-ifb0 ifb0 ifb0
1-ifb1 ifb1 ifb1
1-ing0 ??? ing0
1-lo 127.0.0.1 LOOPBACK lo Local Loopback. Network interface for localhost.
1-lan LAN bridge for regular access all LAN traffic; lan The main LAN bridge receiving the local box IP.
1-ppptty ppptty ppptty
1-ptm_vr9 PPPoE connection ptm_vr9 Interface for the VDSL2 PTM mode of the VR9.
1-sit0 ??? sit0
1-tunl0 ??? tunl0
1-vlan_master0 ??? vlan_master0
1-wan wan wan The physical WAN port for some 5-port models or a network bridge.
1-wasp ??? wasp
1-wdsup1 ??? wdsup1
1-wifi0 ??? wifi0
1-wifi1 ??? wifi1
1-wlan WLAN bridge for regular access wlan VLAN multiplexer through wasp. Joins the lan bridge.
1-wlan_guest WLAN bridge for guest access wlan_guest VLAN multiplexer through wasp. Joins the guest bridge.
1-wlan_hotspot wlan_hotspot wlan_hotspot VLAN multiplexer through wasp. Joins the hotspot bridge.
1-wlan_wan wlan_wan wlan_wan VLAN multiplexer through wasp. Joins the wan bridge.
2-1 1. Internet connection Only when configured as router; on Fritz!Box 7360 in switch mode it never seems to show traffic
2-2 ??? 2. Internet connection Is this used in multi-WAN situations?
2-3 ??? 3. Internet connection Is this used in multi-WAN situations?
3-0 ??? Routing interface
3-17 ??? Interface 0 ('internet')
3-18 ??? Interface 1 ('iptv')
3001 ??? Minor = 3001 [':docsis_mng']
4-128 ??? WLAN Management Traffic - Interface 0
4-129 ??? HW (2.4 GHz, wifi0) - Interface 0
4-130 ??? AP 2.4 + 5 GHz wifi0
4-131 ??? AP (2.4 GHz, ath0) - Interface 0
4-132 ??? AP (2.4 GHz, ath0) - Interface 1
4-137 ??? AP2 (2.4 + 5 GHz, ath1) - Interface 0
4-138 ??? AP2 (2.4 + 5 GHz, ath1) - Interface 1
4-141 ??? Guest (2.4 GHz, guest4) - Interface 0
4-142 ??? Guest (2.4 GHz, guest4) - Interface 1
4-143 ??? Guest2 (2.4 + 5 GHz, guest5) - Interface 0
4-144 ??? Guest2 (2.4 + 5 GHz, guest5) - Interface 1
5-201 usb1 usb1
5-202 usb2 usb2
5-161 ??? usb1
5-162 ??? usb2
5-163 ??? usb3 (does not exist yet on boxmatrix.info at the time of writing