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cheatsheet-tldr/tldr/tcpreplay
2025-04-23 00:19:06 +00:00

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---
syntax: markdown
tags: [tldr, common]
source: https://github.com/tldr-pages/tldr.git
---
# tcpreplay
> Replay network traffic stored in a `pcap` file.
> More information: <https://tcpreplay.appneta.com/>.
- List available network interfaces:
`tcpreplay --listnics`
- Replay traffic to interface:
`tcpreplay {{[-i|--intf1]}} {{eth0}} {{traffic.pcap}}`
- Replay traffic to interface and `stdout`:
`tcpreplay {{[-i|--intf1]}} {{eth0}} {{[-v|--verbose]}} {{traffic.pcap}}`
- Replay traffic to interface as fast as possible:
`tcpreplay {{[-i|--intf1]}} {{eth0}} {{[-t|--topspeed]}} {{traffic.pcap}}`
- Replay traffic to interface at given Mbps:
`tcpreplay {{[-i|--intf1]}} {{eth0}} {{[-M|--mbps]}} {{10}} {{traffic.pcap}}`
- Replay traffic to interface several times:
`tcpreplay {{[-i|--intf1]}} {{eth0}} {{[-l|--loop]}} {{num_times}} {{traffic.pcap}}`