TMP_DIR=$(mktemp -d) echo "Extracting $BIN_FILE..." binwalk -e "$BIN_FILE" -C "$TMP_DIR" >/dev/null 2>&1
| Requirement | Description | |-------------|-------------| | | Valid Cisco IOS-XE or IOS-XR .bin file (e.g., from Cisco Software Download portal). | | Linux host | Ubuntu 20.04/22.04 or RHEL 8/9 with binwalk , unsquashfs , tar , and mksquashfs . | | Cisco PKG Tools | Custom Cisco tools or standard Linux packaging utilities (if Cisco toolchain unavailable). | | Disk space | Minimum 3x the size of the .bin file (e.g., 2GB .bin → 6GB free). | 3. Conversion Methodology 3.1. Manual Conversion (Using Open-Source Tools) If the Cisco-specific bin2pkg utility is unavailable, use the following manual extraction and repackaging process. cisco convert bin to pkg
mkdir -p "$TMP_DIR/pkg/contents" cp -r "$FS_DIR/"* "$TMP_DIR/pkg/contents/" cat > "$TMP_DIR/pkg/metadata/package.ini" <<EOF [Package] Version = unknown Platform = generic Type = converted EOF TMP_DIR=$(mktemp -d) echo "Extracting $BIN_FILE
bin2pkg -i input.bin -o output.pkg --platform ISRv --version 16.12.03 This tool is typically embedded in Cisco NFVIS or vManage installations. Contact Cisco TAC for access if required for your contract. 4. Verification After conversion, validate the .pkg file: | | Disk space | Minimum 3x the size of the
FS_DIR=$(find "$TMP_DIR" -type d -name "squashfs-root*" | head -1) if [ -z "$FS_DIR" ]; then echo "Error: No squashfs found. Image may be encrypted." exit 1 fi
sudo mount -t squashfs squashfs-root.0 /mnt/cisco_fs -o loop