srv6_tracert
Usage
usage: srv6_traceroute.py [-h] (-d DESTINATION | -f DESTINATION_FILE)
[-c COUNT] [-s PACKETSIZE] [-t TIMEOUT]
[-v VERBOSITY]
SRv6 traceroute script
optional arguments:
-h, --help show this help message and exit
-d DESTINATION, --destination DESTINATION
Destination host IPv6
-f DESTINATION_FILE, --destination_file DESTINATION_FILE
File with destination hosts IPv6
-c COUNT, --count COUNT
Count of random IPv6 SR hops
-s PACKETSIZE, --packetsize PACKETSIZE
ICMP echo packet data size
-t TIMEOUT, --timeout TIMEOUT
Scapy packet timeout
-v VERBOSITY, --verbosity VERBOSITY
Scapy verbosity
Example of DESTINATION_FILE is in the file hosts.yml.example.
Sample output
Single traceroute
-> srv6_traceroute.py -d dead:beef:ca1f ======= Starting ICMP (packet size: 8) traceroute to dead:beef:ca1f ======= ======= Starting SRv6 (packet size: 8) traceroute to dead:beef:ca1f ======= +-----+-----------------------------+-------------------------+-------------------------+--------------------+ | TTL | ASN | ICMP dst | SR dst | Latency | +-----+-----------------------------+-------------------------+-------------------------+--------------------+ | 1 | - | - | - | - | | 2 | - | - | - | - | | 3 | AS-CHOOPA - Choopa, LLC, US | 2001:19f0:5000::a48:131 | - | 9.755134582519531 | | 4 | AMS-IX1, NL | 2001:7f8:1::a502:4940:1 | 2001:7f8:1::a502:4940:1 | 44.83842849731445 | | 5 | HETZNER-AS, DE | 2a01:4f8:0:3::11d | 2a01:4f8:0:3::11d | 24.158716201782227 | | 6 | HETZNER-AS, DE | 2a01:4f8:0:3::f9 | 2a01:4f8:0:3::f9 | 27.796506881713867 | | 7 | HETZNER-AS, DE | 2a01:4f8:0:e0c0::a002 | 2a01:4f8:0:e0c0::a002 | 33.812522888183594 | | 8 | - | - | - | - | | 9 | HETZNER-AS, DE | 2a01:4f8:0:e0c0::1c16 | 2a01:4f8:0:e0c0::1c16 | 20.31564712524414 | | 10 | - | - | - | - | | 11 | HETZNER-AS, DE | dead:beef:ca1f | dead:beef:ca1f | 17.747879028320312 | +-----+-----------------------------+-------------------------+-------------------------+--------------------+
Multi destination traceroute
-> srv6_traceroute.py -f hosts.yml Performing traceroute on server host1 (dead:beef:ca1f) ======= Starting ICMP (packet size: 8) traceroute to dead:beef:ca1f ======= ======= Starting SRv6 (packet size: 8) traceroute to dead:beef:ca1f ======= Results of traceroute to server host1 (dead:beef:ca1f) +-----+----------------+-------------------------+-------------------------+--------------------+ | TTL | ASN | ICMP dst | SR dst | Latency | +-----+----------------+-------------------------+-------------------------+--------------------+ | 1 | - | - | - | - | | 2 | - | - | - | - | | 3 | - | - | - | - | | 4 | AMS-IX1, NL | 2001:7f8:1::a502:4940:1 | 2001:7f8:1::a502:4940:1 | 7.732629776000977 | | 5 | HETZNER-AS, DE | 2a01:4f8:0:3::11d | 2a01:4f8:0:3::11d | 14.463424682617188 | | 6 | HETZNER-AS, DE | 2a01:4f8:0:3::f9 | 2a01:4f8:0:3::f9 | 18.020153045654297 | | 7 | HETZNER-AS, DE | 2a01:4f8:0:e0c0::a002 | 2a01:4f8:0:e0c0::a002 | 17.49587059020996 | | 8 | - | - | - | - | | 9 | HETZNER-AS, DE | 2a01:4f8:0:e0c0::1c16 | 2a01:4f8:0:e0c0::1c16 | 17.79937744140625 | | 10 | - | - | - | - | | 11 | HETZNER-AS, DE | dead:beef:ca1f | dead:beef:ca1f | 16.185998916625977 | +-----+----------------+-------------------------+-------------------------+--------------------+ Performing traceroute on server host2 (1d1e:f001) ======= Starting ICMP (packet size: 8) traceroute to 1d1e:f001 ======= ======= Starting SRv6 (packet size: 8) traceroute to 1d1e:f001 ======= Results of traceroute to server host2 (1d1e:f001) +-----+-----------------------------+-------------------------+-------------------------+--------------------+ | TTL | ASN | ICMP dst | SR dst | Latency | +-----+-----------------------------+-------------------------+-------------------------+--------------------+ | 1 | - | - | - | - | | 2 | - | - | - | - | | 3 | AS-CHOOPA - Choopa, LLC, US | 2001:19f0:5000::a48:131 | 2001:19f0:5000::a48:131 | 22.018909454345703 | | 4 | AMS-IX1, NL | 2001:7f8:1::a502:4940:1 | 2001:7f8:1::a502:4940:1 | 7.369518280029297 | | 5 | HETZNER-AS, DE | 2a01:4f8:0:3::11d | 2a01:4f8:0:3::11d | 12.90130615234375 | | 6 | HETZNER-AS, DE | 2a01:4f8:0:3::b2 | 2a01:4f8:0:3::b2 | 18.60523223876953 | | 7 | HETZNER-AS, DE | 2a01:4f8:0:3::ee | 2a01:4f8:0:3::ee | 19.85001564025879 | | 8 | HETZNER-AS, DE | 1d1e:f001 | 1d1e:f001 | 19.013166427612305 | +-----+-----------------------------+-------------------------+-------------------------+--------------------+
Sample when Routing Extension Header is blocked by one of the Tier1 ISPs
======= Starting ICMP (packet size: 8) traceroute to dead:beef:cafe ======= ======= Starting SRv6 (packet size: 8) traceroute to dead:beef:cafe ======= +-----+----------------------------------------------+------------------------+------------------------+--------------------+ | TTL | ASN | ICMP dst | SR dst | Latency | +-----+----------------------------------------------+------------------------+------------------------+--------------------+ | 1 | LEASEWEB-UK-LON-11, GB | 2a0d:3001:2100:a002::2 | 2a0d:3001:2100:a002::2 | 81.56800270080566 | | 2 | LEASEWEB-UK-LON-11, GB | 2a0d:3000::254 | 2a0d:3000::254 | 64.85724449157715 | | 3 | TELIANET Telia Carrier, SE | 2001:2000:3080:1bbf::1 | - | 69.17166709899902 | | 4 | TELIANET Telia Carrier, SE | 2001:2000:3019:79::1 | - | 137.43948936462402 | | 5 | TELIANET Telia Carrier, SE | 2001:2000:3019:b6::1 | - | 145.21098136901855 | | 6 | TELIANET Telia Carrier, SE | 2001:2000:3019:72::1 | - | 167.96255111694336 | | 7 | TELIANET Telia Carrier, SE | 2001:2000:3018:99::1 | - | 170.88818550109863 | | 8 | TELIANET Telia Carrier, SE | 2001:2000:3080:1b2f::2 | - | 138.5951042175293 | | 9 | LEASEWEB-USA-WDC-01 - Leaseweb USA, Inc., US | 2607:f5b7::253 | - | 140.91253280639648 | | 10 | LEASEWEB-USA-WDC-01 - Leaseweb USA, Inc., US | dead:beef:cafe | - | 144.75488662719727 | +-----+----------------------------------------------+------------------------+------------------------+--------------------+
