Cisco 897VAW-E-K9 with Deutsche Telekom PPPoE FTTP

Config / Login Details

ip dhcp pool LAN-IPV4
 network 192.168.0.0 255.255.255.0
 default-router 192.168.0.1
 domain-name home.local
 dns-server 9.9.9.9
 lease 7
!
ip cef
ipv6 unicast-routing
ipv6 cef
!
ipv6 dhcp pool LAN-IPV6
 dns-server 2620:fe::fe
 domain-name home.local
 information refresh infinite
!
interface GigabitEthernet8
 description WAN:DTAG IPoE 50/250Mbps FTTP
 bandwidth 49000
 bandwidth receive 240000
 no ip address
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 no ip route-cache
 load-interval 30
 tx-ring-limit 64
 tx-queue-limit 64
 duplex auto
 speed auto
 no cdp enable
 ntp disable
 no keepalive
 no lldp transmit
 no lldp receive
 service-policy output prio-small-packets
!
interface GigabitEthernet8.7
 encapsulation dot1Q 7
 no ip route-cache
 no cdp enable
 ntp disable
 pppoe enable group global
 pppoe-client dial-pool-number 1
!
interface Dialer1
 mtu 1492
 ip address negotiated
 ip access-group WAN-INBOUND-V4 in
 no ip redirects
 no ip unreachables
 no ip proxy-arp
 ip nat outside
 ip virtual-reassembly in max-reassemblies 32
 encapsulation ppp
 no ip route-cache
 ip tcp adjust-mss 1452
 load-interval 30
 dialer pool 1
 dialer-group 1
 no cdp enable
 ipv6 address dhcp rapid-commit
 ipv6 address 2003:A:AAAA:AAAA::/64
 ipv6 enable
 ipv6 nd autoconfig default-route
 ipv6 nd ra suppress all
 no ipv6 redirects
 no ipv6 unreachables
 ipv6 tcp adjust-mss 1424
 ipv6 dhcp client pd TELEKOM-IPV6-PREFIX rapid-commit
 ipv6 traffic-filter WAN-INBOUND-V6 in
 ntp disable
 ppp chap hostname 002AAAAAAAAA551ZZZZZZZZZ0001@t-online.de ! Benutzername (mit 12-stelliger Zugangsnummer): Anschlusskennung+Zugangsnummer+0001@t-online.de 
 ppp chap password 7 abc123 ! Persönliches Kennwort
 ppp pap sent-username 002AAAAAAAAA551ZZZZZZZZZ0001@t-online.de password 7 abc123
 ppp ipcp route default
 ppp ipcp address accept
!
interface GigabitEthernet0
 description LAN
 switchport trunk allowed vlan 1,2,1002-1005
 switchport mode access
 switchport nonegotiate
 no ip address
 load-interval 30
 no cdp enable
 no lldp transmit
 no lldp receive
!
interface Vlan1
 description LAN:Home
 ip address 192.168.0.1 255.255.255.0
 no ip redirects
 no ip proxy-arp
 ip nat inside
 ip virtual-reassembly in max-reassemblies 32
 ip verify unicast source reachable-via rx
 ip tcp adjust-mss 1452
 ip policy route-map clear-df-bit
 load-interval 30
 ipv6 address TELEKOM-IPV6-PREFIX ::1:0:0:0:1/64
 ipv6 enable
 ipv6 nd other-config-flag
 ipv6 nd router-preference High
 ipv6 nd ra dns server 2620:fe::fe 4294967295
 no ipv6 redirects
 no ipv6 unreachables
 ipv6 tcp adjust-mss 1424
 ipv6 verify unicast source reachable-via rx
 ipv6 dhcp server LAN-IPV6 rapid-commit
 no ipv6 mld router
 ntp disable
!

 

Internet Throughput

The 897 can keep a sustained 250Mbps, it's connected to a 250Mbps FTTP line via 1Gbps copper Ethernet cable, to the Deutsche Telekom ONT. This doesn't stress the CPU, with NAT and QoS enabled:

897VAW-E-K9#show processes cpu history 

897VAW-E-K9   08:29:52 PM Tuesday Sep 28 2021 CEST                                                                 
                                                                  
                                               11111              
      333333444443333333333222223333344444666669999933333444443333
  100                                                             
   90                                                             
   80                                                             
   70                                                             
   60                                                             
   50                                                             
   40                                                             
   30                                                             
   20                                          *****              
   10                                     **********              
     0....5....1....1....2....2....3....3....4....4....5....5....6
               0    5    0    5    0    5    0    5    0    5    0
               CPU% per second (last 60 seconds)

 

 

Local Switching - iPerf3 Results

This is between to modern laptops running recent Ubuntu, hardwired into 2 of the 8 switchports on the back of the router directly, at 1Gbps:

$iperf3 -i 1 -c 192.168.58.11 -t 30 
Connecting to host 192.168.58.11, port 5201
[ 5] local 192.168.58.17 port 51440 connected to 192.168.58.11 port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 114 MBytes 959 Mbits/sec 0 762 KBytes 
[ 5] 1.00-2.00 sec 111 MBytes 933 Mbits/sec 0 762 KBytes 
[ 5] 2.00-3.00 sec 110 MBytes 923 Mbits/sec 0 762 KBytes 
[ 5] 3.00-4.00 sec 111 MBytes 933 Mbits/sec 0 762 KBytes 
[ 5] 4.00-5.00 sec 111 MBytes 933 Mbits/sec 0 762 KBytes 
[ 5] 5.00-6.00 sec 111 MBytes 933 Mbits/sec 0 762 KBytes 
[ 5] 6.00-7.00 sec 111 MBytes 933 Mbits/sec 0 800 KBytes 
[ 5] 7.00-8.00 sec 110 MBytes 923 Mbits/sec 0 800 KBytes 
[ 5] 8.00-9.00 sec 111 MBytes 933 Mbits/sec 0 800 KBytes 
[ 5] 9.00-10.00 sec 111 MBytes 933 Mbits/sec 0 800 KBytes 
[ 5] 10.00-11.00 sec 110 MBytes 923 Mbits/sec 0 800 KBytes 
[ 5] 11.00-12.00 sec 111 MBytes 933 Mbits/sec 0 800 KBytes 
[ 5] 12.00-13.00 sec 111 MBytes 933 Mbits/sec 0 800 KBytes 
[ 5] 13.00-14.00 sec 110 MBytes 923 Mbits/sec 0 800 KBytes 
[ 5] 14.00-15.00 sec 111 MBytes 933 Mbits/sec 0 800 KBytes 
[ 5] 15.00-16.00 sec 111 MBytes 933 Mbits/sec 0 800 KBytes 
[ 5] 16.00-17.00 sec 110 MBytes 923 Mbits/sec 0 800 KBytes 
[ 5] 17.00-18.00 sec 111 MBytes 933 Mbits/sec 0 800 KBytes 
[ 5] 18.00-19.00 sec 111 MBytes 933 Mbits/sec 1 611 KBytes 
[ 5] 19.00-20.00 sec 111 MBytes 933 Mbits/sec 0 718 KBytes 
[ 5] 20.00-21.00 sec 110 MBytes 923 Mbits/sec 0 723 KBytes 
[ 5] 21.00-22.00 sec 111 MBytes 933 Mbits/sec 0 741 KBytes 
[ 5] 22.00-23.00 sec 111 MBytes 933 Mbits/sec 0 741 KBytes 
[ 5] 23.00-24.00 sec 110 MBytes 923 Mbits/sec 0 741 KBytes 
[ 5] 24.00-25.00 sec 111 MBytes 933 Mbits/sec 0 741 KBytes 
[ 5] 25.00-26.00 sec 111 MBytes 933 Mbits/sec 0 741 KBytes 
[ 5] 26.00-27.00 sec 110 MBytes 923 Mbits/sec 0 741 KBytes 
[ 5] 27.00-28.00 sec 111 MBytes 933 Mbits/sec 0 741 KBytes 
[ 5] 28.00-29.00 sec 111 MBytes 933 Mbits/sec 0 741 KBytes 
[ 5] 29.00-30.00 sec 110 MBytes 923 Mbits/sec 0 741 KBytes 
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-30.00 sec 3.25 GBytes 931 Mbits/sec 1 sender
[ 5] 0.00-30.00 sec 3.25 GBytes 930 Mbits/sec receiver

 

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