---
name: "isotpsniffer"
section: "1"
platform: "linux"
package: "can-utils"
version: "2023.03-1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/isotpsniffer"
---

# isotpsniffer(1)

manual page for isotpsniffer 2023.03-1

## NAME

isotpsniffer - manual page for isotpsniffer 2023.03-1

## SYNOPSIS

**isotpsniffer** \[*options*\] *\<CAN interface\>*

## OPTIONS

- **-s** \<can\_id\>

  (source can\_id. Use 8 digits for extended IDs)

- **-d** \<can\_id\>

  (destination can\_id. Use 8 digits for extended IDs)

- **-x** \<addr\>

  (extended addressing mode)

- **-X** \<addr\>

  (extended addressing mode - rx addr)

- **-c**

  (color mode)

- **-t** \<type\>

  (timestamp: (a)bsolute/(d)elta/(z)ero/(A)bsolute w date)

- **-f** \<format\>

  (1 = HEX, 2 = ASCII, 3 = HEX & ASCII - default: 3)

- **-L** \<mtu\>:\<tx\_dl\>:\<tx\_flags\>

  (link layer options for CAN FD)

- **-h** \<len\>

  (head: print only first \<len\> bytes)

CAN IDs and addresses are given and expected in hexadecimal values.